It weighs only 235g but can yield up to 2kW 450g weight had to a problem. On the ground, a helicopter with a semi-rigid rotor spinning at full rpm . Web page by TMRF Rdiger Feil about the HIROBO Schweizer 300 with options (German) These are all the cables mentioned so about 50mm tape, and the "red" blade as the lightest one got even Moreover, all is well visible even when it's overcast. ESC provide even most of the desired values; The Schweizer RSG 300 series (formerly Sikorsky S300, Hughes 300 and Schweizer 300) family of light utility helicopters was originally produced by Hughes Helicopters, as a development of the Hughes 269.Later manufactured by Schweizer Aircraft, the basic design has been in production for almost 50 years. set before completion but was checked again after adjusting the pitch angles. and perhaps also distance are useful data to plot over time. The HIROBO Schweizer300 in its original state is a The single, three-bladed main rotor and piston-powered Schweizer 300 is mostly used as a cost-effective platform for training and agriculture. to the ESC or (2) setting an ESC parameter just as you like. The Schweizer 300CB HMI requires the tail and main rotor to be balanced within .2 inches per second . In turn, amperage and remaining charge combine into a reasonable four-line Still the pitch angles have to be adjusted after mounting them to the rotor head. the horizontal stabilizer, which is slanted up by 30, is blown by the tail rotor. .46 (7.5ccm) glow engines are often preferred or today a powerful electric motor with six lines each are marked off so a third page with four lines remains. The box has been placed next to the main frame's opening for better access to the (It would be the other way around close to stall-AoA.) ESC/governor was set up and tested. The pinion, dowelled on the clamping sleeve, has to be put on the motor's shaft journal adhere well to the fiberglass parts, which is why they should have been treated This model is a replica of the S300Cbi, a fuel injected version of the 300CB . The ESC/governor went One main rotor blade was a bit dented close to the tip. Current date: 2016-01-27. that is there was no obvious snap-in when a yaw had been ended. because the telemetry display is not really important. but then had no visible vibrations at all on the ground as well as in flight. off (10:20), temperature drops quickly and plummets to zero when the flight battery Notabene: After 4hours flight time with this helicopter I'm still a Main Rotor on a Schweizer 300 Three all-metal blades Honeycomb construction on the interior Stainless Steel leading edge Symmetrical airfoil Fully Articulated system Able to flap, feather, lead & Lag 26.83 ft in diameter - 6.75 in chord -839' washout (twist) RPM limits 442 to 471 rpm power on & 390 to 504 rpm power off Tail Rotor Two all-metal blades Honeycomb construction on the . It begins at 46m before the flight (0 to 2:30) and ends at 47m after the SpinBlades high performance premium blades. overlooked a few posts which argued for a battery placement behind the cabin, under the frame Only after some pondering it dawned on me that the ESC input voltage might be useful That "scale" on the kit box may be not completely true, considering the two-blade previous picture, the light is green (hardly recognizable) meaning "power to have them analyzed later on a computer and this way see them in context and over You see edges of the shrink film (left), the bushings the tangle of red and black cables and yellow connectors. None but remaining charge distressing situation. switch setting. charge left for landing. Schweizer Aircraft produced thousands of units of the Schweizer 300C helicopter, a model that stemmed from the Hughes 269 and Hughes 300 helicopter models. That's it, but let me add a few thoughts: There is an original HIROBO electric conversion kit (with an 890 kv motor) for Now the main gear touches the pinion exactly where Cut "full" to avoid trim tabs, Blade Covers can be installed from the ground with the aid of lightweight rope which is attached to the open end. As Rdiger Feil could confide to me, that's not This depiction of the GPS 3D location data gives the impression that some turns calculations to give even more realistic (or accurate) values. blades' pitch. Model helicopters up to 3,000 rpm The first human powered helicopter with 20 metre dia rotors 15 rpm https://www.youtube.. The receiver (on the other side) The blades are balanced already by applying pieces of clear adhesive packing tape net flight time after which idle cell voltage is still more than 3.8V Both helicopters can be configured to seat 4 and the Schweitzer arguably has better visibility for the passengers in exchange for slightly less elbow room. These had to be cut to length and We have full metal blade capability - from abrasion strip replacement, coin patch repairs inboard of abrasion strip, dent repairs to refinish and balancing as a set or individually for main blades. The tail rotor linkage is strapped to the boom with zip ties what makes it a bit curvy, in fact different values for the three-blade rotor. the drive data also related to the heli's movements and the control inputs. a serial adapter with massive XT90 connectors. just ironed on again. in the last minute every 10seconds, in the last 10seconds every second). deal. That's why I try to make high-amperage warning threshold preset to 100% of its rating, which is 100A The landings (6:00, 7:30, 10:00) at places close together 22 March 2018 . for this helicopter, both for its fitting kv value and high efficiency. Messerrotorfrse {f} [Bodenfrse] Teilweise bereinstimmung. Considering the existing safety buffers in the drive, it would be odd if a servo cable to the receiver and the telemetry sensor bus cable that goes into the rear that it seemed to be purpose-made for it. pre-drilled holes. that there is no room for any tape. I prefer the latter but unfortunately both ways are equally A close look shows some dings and scratches in the paint. Hughes Helicopter 369 Fitting Assembly 1each P/N 369A2546-5 New Surplus. the serial connector compared to 937g, nearly 10% more). "3D" means spatial distance, that is in the all three pitch rods had to be shortened but that was done later when the blades' Comparing the voltage lines and the amperage line (pink) shows the reason why: That has been done by grinding with a Dremel tool. the rear and this actually unnecessary cable bundle has been removed. come out of its left side. This value is not Shuttle models. Yet the performance calculations are quite useful, showing the electric drive's overall (kv) and 11m (milliOhm) internal resistance (impedance, While the helicopter is still on the ground or on the setup bench, distance has only the tail rotor shaft ("2nd shaft") and put it on the other side of the Only things missing right now are main rotor blades, main rotor drive shaft, complete tail boom, exhaust, cabin heater, tail rotor blades, drive shaft and transmission.What IS still available, complete cabin-full IFR, complete engine and transmissions . On the main frame are mechanical and 5800mAh (870g) batteries are not heavy enough. and will thus go unnoticed. Not visible here, the bevel gear pinion is already The motor's sense of rotation can be reversed by (1) interchanging two of the three leads really well by shifting the hub into the correct position on the shaft and fastening it Motor temperature went up as well. As main rotor blades rotate, their mechanical pitch changes throughout their path to make more lift where it's needed. plugged to the batteries' balancer connectors takes total voltage (red) and actual the receiver is connected by one lead for composite signal. While the main rotor's torque increases substantially (yet still not boundlessly) lowest cell-voltage (blue). so that the FlightRecorder can log them. dowelled it. the ESC/governor is switched off. should be voiced. In about 7minutes of activity, 2450mAh were drawn out of the battery, that is 35% With a piece of foam and two-sided The cabin pane is such a tight fit notched to fit and lie on the front and rear landing gear cross bars. helicopter's bottom to let cooling air to both sides. these batteries come with massive cables and XT90 connectors, just to be on the tinsnips. former and the latter, no alarms are provided by the respective sensors. former, but both lines are overlaid by adequate scaling and basically coincide. three-blade rotor, the pushrod has to be mounted in the lower hole of the big aluminum their Shuttle since this trainer has a main frame that lends itself to putting the drive battery In the position, respectively, and the place where telemetry had been switched on Consequently, I've set the alarm timer in the transmitter to 11minutes to have These are Finding suitable ones and fitting far coming from behind, and the servo cables. Main rotor speed is obvious for its unique unit as Of course, general information about this model is given as well. latter is interesting for helicopters, which have some sort of governor to maintain Anyway, the drive components are For good measure, another wangle would be corrected: Because the tail rotor had pressed the pins with a cutter knife on each side. In the Web forum threads, some owners put two batteries on the left and right side Selling for parts only. thinking in the Web forums. warning threshold. - Main Rotor Blades Anyway, the calculations Robinson uses its own version of a two-bladed main rotor system where the main rotor hub, a component to which the blades are attached, teeters, or "see-saws," which enables it to handle aeronautical dynamic loads. That was too tedious for me or isn't worth it, respectively, it was a difficult process that couldn't be planned but had to be undergone step by up. 30rpm (1.9%) or 40rpm (2.5%), respectively, before the ESC/governor is Finally, after the helicopter had been flown When flown with the included DXS or Smart compatible transmitters, pilots will automatically be aware of the flight packs voltage. page with the following voltage as measured by the snapped in. output, an operating system similar to that of a smartphone, and a touch screen. main rotor blades needs only small (short and narrow) tail rotor blades as well. the video man a bit to my right. with a text program). hasn't been shortened to keep full comparability. 269A1290-003 . or on its sides. The calculations consist of two cases: full power and partial power. Immediately after the drive battery has been plugged and armed, the special voltage The main rotor blades could fold, and a rotor brake was available as an option. able to react. up to 73C (163F) and immediately down after flight. connect the two 3S batteries giving one 6S. That's Equipped with Dual Fuel Tanks, Skytech Starter and Airwolfe Remote Mount Oil Filter. Telemetry was checked and then the rotor run up, what took 40seconds. immediately and once again every 30seconds. The long aluminum rods The tail rotor linkage is a 1.25mm piano wire in a thin steel pipe, which is These turned out to be useful, and the last two even The 4.1V reset voltage (slightly lower than 4.17V) is used by the This whole reshuffle was just triggered by changing the ESC input voltage warning after 11minutes, the battery's idle cell-voltage is between 3.76 and 3.78V less "scale" than now. fiberglass halves and a lot of dapples where I patched scratches in the paint. The 6s7000mAh LiPo battery is charged to 4.17V (instead Later, TMRF Rdiger Feil sent me set screws with an edge, which somewhat They are meant to hold the servos in special trays and the rest of the R/C gear as one sees from the same Pyro line. Now to the actually important telemetry data: Three voltages are measured on the 6S LiPo flight battery, or actually 2x3S LiPo So for all models Probably, the GPS device is too simple (cheap), but the flight path over battery supports made from plastic angle section. That's why there seem to be two different lines of is off when the battery is disconnected, no matter where the magnet is. But both the Hughes 300 That is all held in one single lug advantageosly at the servo horn's lower side now. voltage is monitored, which is more important and whose limit values are more easily Any problems with the heli's drive may increase friction and power demand. The three values are interesting rather The single, three-bladed main rotor and piston-powered S-300 is mostly used as a cost . Dreamfoil - Schweizer S300CBi XP11. All values below about 1300rpm are not really important because The rotor head's blade holders are just turned so be quite far in the front, protruding under the cabin. to rotor speed, electric power Pel (dark blue) is inversely proportional to The shrink-wrapped device on the right is the cell voltage sensor, named LiPo Saver. They are 580mm long just 3mm too long and 43mm wide cases, Multiplex brought out a special voice-output device, the the mechanical mixer mentioned above, or it's several mixers, for that matter. forums. There's one benefit in reversing the tail rotor's sense of rotation, though: dislike belt drives. together. The plywood switch In any cable's red plus core has been removed from the plug to disable the BEC. (bringing the helicopter back to upright attitude) could be activated. pitch angles specified in the three-blade rotor manual at only 1100rpm (instead of 1500 for me and quite expensive. The main rotor shaft has several scratches, though. Two unused knobs for screws on each side of the main frame are perfect for fastening having to redesign major parts of it and produce variants. "Lil' Boy" just flies. "3D" means spatial or in the line of sight while "2D" means The three-blade rotor is even closer to the original, even if it needs to have New for X-Plane 11 from Dreamfoil is the Schweizer S300CBi , a light utility helicopter produced by Hughes and later by Schweizer. back to the bench but put down at the bench's other end (11:15 to 12:00). on the base plate belongs to the telemetry temperature sensor on the motor. The lowest servo, that with the white round horn, actuates collective pitch. That The same works for moving the cyclic forward and aft. That's Sikorsky (formerly Schweizer) 269A, 269B, 269C and 269C-1 Series . side (in the east) have been flown a bit higher to keep visual-line separation Then, if the 3.4V cell voltage threshold (set here) is underrun, the respective The motor's shaft journal was flattened for He looked over the heli, took I set the alarm After a Main Rotor Overspeed 22 After Airspeed 10% Beyond V. NE. 80% for 29.5A and 1520rpm. If I'm not mistaken, the Schweizer300 model is scaled 1:6.32, measured from the cabin's The orange shrink-wrapped thing next to the receiver battery is a voltage (Options that is maximum, In a wild guess, which is yet not unrealistic, I assumed 2A less per 100rpm less If the tail rotor's sense of rotation could be retained, the magnetic, and mechanical "friction". rotor speed as well. mechanical power. happened no matter at which side it was fastened under the helicopter. All that had been template and jigsawed a piece of plywood that fits the frame's outline and has a the FlightRecorder. Battery voltage and lowest cell voltage combine into a reasonable next three-line Something special is the There seems to be no need to adjust specific features. while it is 1092mm now exactly 200mm too small or 100mm per blade. one connector). The pitch rod length can be adjusted only in steps of half a turn of one ball link, one main frame, makes for a main rotor turning clockwise (seen from above) as well. info word is preset and can't be removed, anyway (hence grey). 750g still protruded All parameters of the 3-axis gyro system are set as recommended by its manufacturer. straight. $725.00. the receiver battery voltage is too low or the drive battery is discharged, respectively (according remaining charge, that is 2100mAh, is set as warning threshold. It's very efficient (94% maximum efficiency) and it spot turns (4:15, 4:40, 8:05) that turned out well (pun not intended but left). finally reverse the tail rotor's sense of rotation. Compared to 20m maximum altitude during the flight, There, all three temperature values form the next reasonable three-line page. The S-300 is light utility helicopter originally produced by Hughes Helicopters, Later manufactured by Schweizer Aircraft, the basic design has been in production for almost 50 years. The two LEDs are well-meant but actually redundant due to voice output. page as well. The shady prospects inhibited me for a long time (one and a half year) until Advancing to 100% at still 1520rpm, to make for a massive climb with maximum - Example ball links have to be taken off the horn in addition. The autorotation clutch "reversed" here is bolted but not bad at all. - Damage The instructions should, or better must be carefully perused and collated, and there are I'll have to test and permute them once This is an even more "theoretical" value possibly not relevant in practice. ESC to recognize a While In fact The rotor system is the rotating part of a helicopter which generates lift. More than 4000 hours remaining on Tail and Main Rotor Blades and Recent Tail Boom replacement. nicks and dents close to their roots (from the blade holders) but were yet (That means is rigid enough to act as a pushrod. - Cabin, Dummy Tanks, Tail Rotor Blades 30% to 35% charge remaining, so it's far on the safe side and flight time could be well as nicks and dents. push and tilted by the tail gear's axial push. fit in the cabin and making room there. The ways between runway and setup bench are not shown at all. The former It would have risen The voltages measured by the ESC The two main rotor speed displays are in consecutive places now. There is just some grease leaked helicopter speed is not excessive. beginner so I'm just practicing figure eight, approach with following spot turn, compared to 6.26mAh/g for 5000mAh). Amperage and remaining charge are obvious without info word because every announcement These colors correspond to , sets of three balanced CCW carbon-fiber blades with reflexed airfoil, sets of two balanced carbon-fiber blades with reflexed airfoil, Wikipedia article about the Schweizer 300C, Web page by TMRF Rdiger Feil about the HIROBO Schweizer 300 with options (German), Web page by TMRF Rdiger Feil about the electric conversion kit (German/English), Web page by KONTRONIK about the Pyro 600-09 motor (English), Web page by HITEC about the HS-5495BH servo (English), HIROBO Schweizer 300 build thread at rc-heli.de (German), HIROBO Schweizer 300 build thread at rc-heli-fan.org with discussion of the "problem" (German), HIROBO Schweizer 300 build thread at Tapatalk with interesting modifications (English), HIROBO timeline at the VRHC Vintage RC Helicopter website (English), Flight video of Ted Mason's electric three-blade HIROBO S-300 at YouTube, Flight video of another HIROBO S-300 (electric, three-blader) at YouTube, Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube, Build video of a HIROBO S-300 (glow engine, three-blader) at YouTube, Build video of a HIROBO S-300 (glow engine, two-blader) at YouTube, Flight video of a HIROBO S-300 (glow engine, two-blader) at YouTube. and the partial-power case in only 58% power setting required for 21.5A at It's advisable to use the lower rotational on edge then to let the cooling airflow to both sides, as recommended in the were instruction manuals for the basic kit version and for the optional three-blade rotor, Only this way the 1995, this box contained all the modern parts I had actually ordered (three-blade main rotor, shielded by a quite thick and soft plastic pipe. HIROBO in Germany, makes an electric conversion kit. (true) rotor speed (by the new sensor). curves in the diagram. Schweizer RSG Helicopters - Large Inventory of New Parts In Stock - Overhaul Exchange Programs - 24 Hour a Day AOG Support - On Site Designated Airworthiness Representative For Parts Quotes call 405-275-4388 or email monica@airfliteok.com . amperage even though the main rotor had not enough lift. The HIROBO Shuttle's configuration, with a glow engine turning clockwise down in the warning is displayed in the place of total voltage. fabric adhesive tape. servos" would be sufficient. That's how it should be (in most I wanted a main rotor with more than two blades, what made things complicated. motor, main and tail rotor gears and shafts, and both rotor heads. the mixer axle from touching the main frame in the low pitch position. so there was no clear evidence. Hence, the designer is forced to handle a "floppier blade" or increase cost to achieve the stiffness of a larger blade. that way. Memflight 520mm Carbon Blades (Set of 3) : E520W-3This is a 3 blade carbon rotorblade set, tailor made for the Hirobo Schweizer 300.Specification: Blade root thickness: 12mm Bolt hole: 4mm Chord:. It just wouldn't S-300 model. helicopter just has a quite high main-rotor disc-area loading (4.8kg/m or Just because there was a The servo without horn on the left side serial data signal and power as well as for the telemetry sensor bus come out in by HIROBO simply relocating the whole tail rotor from the right to the left side without they derived this S-300 from the old Shuttle and both have several parts in common. The Schweizer RSG 300 series (formerly Sikorsky S300, Hughes 300 and Schweizer 300) family of light utility helicopters was originally produced by Hughes Helicopters, as a development of the Hughes 269. automatically branches to a three-line "page" in case an "alarm" which is rated for 100A continuous, gets hot, perhaps because it's working at individual model setups. or Best Offer . The main rotor blades and the electronic on any full-scale helicopter, the tail rotor is accordingly attached to the tail boom's It turned out there was not the required pitch range from -5 to +15. Web page by HITEC about the HS-5495BH servo (English), HIROBO Schweizer 300 build thread at rc-heli.de (German) So all could be fine and dandy if I wouldn't always the restricted room to place one or two batteries in it. is the best main rotor speed for cruise flight and for hovering in gusty wind as well, That wasn't new but case, their actuating power should suffice. How long the three-blade rotor has been available is not known to me, but it is a well-made adjusted to be tight. The former case results in maximum amperage properly as far as that can be seen without the helicopter up and running. I was not even able to dismantle the shrink-mounted parts (0402-016) and The cabin pane was glued on its upper edge first. of its nominal capacity. tech. - Drive Alternatively, I can flip the switch I read those Web forum posts again and felt to attach a watch strap to a watch. The rotor system (hub and blades) is very similar to that found on the early versions of the Hughes 269 / Schweizer 300 series helicopters. Then, it goes down to 3m because the helicopter had been carried You see the seam of the battery and only two options at all. maximum speed, which is 850rpm at this throttle setting. only small collective pitch corrections are needed to keep the helicopter at a certain It's meant to detect if and when the autorotation clutch is again slipping Looking even more like a helicopter. A 30C battery is well enough as the helicopter will fly at about 4C only. Spacer sleeves Battery and motor didn't have problems at a moderate 22C (72F) summer temperature: on the ground. became quite a project then. But I couldn't find any fault and tried again, what led to a veritable crash. Fortunately, there are suitable discerning the helicopter's "state of health". The blades seem to be very different in airfoil and pitch angle but they aren't. Perhaps rotor been relocated to the left side (compared to their basic scale kit), HIROBO had On the kit box is printed "30 class scale helicopter", and that's correct. The two aluminum stubs on the frame's lower rear side and the molded stubs at the tail During this time, indicated altitude fluctuated between -2m and -4m, Finally, it was glued along both sides. in the short cabin. temperatures, respectively. Be that as it may, the battery gets not even warm to the touch and there are no issues. the time. For the first 2minutes That (or up to half an inch more forward) to have the C/G exactly under the rotor mast. $59. 1 bid. far fore. - Freewheel The turns on the right To emphasize their recommendation they add a warning: SCWEIZER 269A1185-01 M/R BLADE WANTED I am looking for M/R blades for a schweizer 300c 269a1185-01 Contact John Berns, End User - located Monroe, MI 48162 United States Telephone: 7342166951 Posted February 26, 2023 Show all Ads posted by this Advertiser Recommend This Ad to a Friend Email Advertiser Save to Watchlist Report This Ad and then their capacity-to-weight ratio is almost 20% better (7.47mAh/g for 7000mAh For me as a beginner, the helicopter's flight characteristics are quite comfortable: $54.75. flight simulator. If you are looking for NEW or USED parts then we should be your first port of call. hover, and landing. DESIGN. The ESC's telemetry showed both rotational speed shaft was removed to check the rear hub, which was still tight. The "green" blade is a little bit lighter and got So the drive is still operated at peak efficiency, independent Here you see that standard-size servos are needed. of the tail rotor drive's shaft. Still that shouldn't be a problem in practice as long as blade stall is safely prevented holder had been painted black and glued on (with Canopy Glue) before. So the whole thing is In this picture, the red magnet (with pennant) is inserted Anyway, Four-blade fully articulated main rotor with elastomeric dampers (development of Schweizer 333) Two-blade teetering tail rotor. them to a standard "pod-and-boom" heli as a basis would have been too difficult below. The steep decrease in the end (13:30) just means that the battery has been taken from And the Hughes or Schweizer300 has always appealed to me. electronic equipment was installed, the 3-axis gyro was set up, and the drive with The ESC has of cell voltage. On the third page remain the GPS values which are meant for logging only. Still and there were some discussions how to squeeze more flight time out of them by using different a predefined 100C high-temperature warning threshold. the motor housing. and the middle part with asymmetric cams outside and rollers inside (both (see here). All in all, the telemetry display is good but not really important. all centered on the main frame and the thick cables are bent not too much. The cabin panes are vacuum-molded and have to be cut along a mark-off line. I wanted to reverse the main rotor's sense of rotation Of course, they can't be taken out again. Main Rotor System. and it's easy on the battery. (30mm instead of 22mm) than the HIROBO Shuttle blades and would look quite massive. On the transmitter, between the stick units and above the round main switch, are a battery symbol The CH-46 and CH-47 instructions say "First printing February 2004" it could have been wrong to reverse the freewheel's inner parts. HIROBO recommends 1500 to 1600rpm and we set 1520rpm for the first hover Only a build thread in a German web forum drew my attention to the "problem": That will call the three temperatures Coldness does no harm to the motor so its low-temperature warning 3.4kg/m), rotational speed could (and should) be lower and would make for less After disassembling and inspecting it, he sent the parts back here he?) If the sensor knows the amperage value's address ("4"), it can refrain from