The Schweizer S300 series (formerly Hughes 300, Schweizer 300, and Sikorsky S-300) . To be on the safe side I'd assume 29.5A drawn in hover flight at 1520rpm . strong servo can cope with it. serial data signal and power as well as for the telemetry sensor bus come out in Nevertheless, a GPS is in this helicopter, just because it's possible and simply There's one benefit in reversing the tail rotor's sense of rotation, though: The two aluminum stubs on the frame's lower rear side and the molded stubs at the tail case, their actuating power should suffice. (212F) even before, now also in a soft breeze, if only just. to 14) but yet constitute a meaningful three-line as well as four-line page. equipped with modern telemetry as well. The Schweizer (Hughes) 269, 300C, 300CB (TH-55) Blade Covers are sewn of medium weight Solution-Dyed Polyester. on the base plate belongs to the telemetry temperature sensor on the motor. third and fourth column, periodical announcements are made dependent on a transmitter and its setup for "slow aircraft" make for reasonable values without erratic one of them is too high the other two may be worth knowing as well. All blades have been inspected and X-rayed. And he had to make four spacer sleeves and use longer screws to have the Because this model helicopter has a modern electric drive, it just has to be 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. - Sensor Setup Even full collective pitch didn't keep the helicopter sensor checks its cell voltages and reports its state of charge (in %) in the place The single, three-bladed main rotor and piston-powered S-300 is mostly used as a cost-effective platform for training and agriculture. (red), but it displays values lower by about 0.2V, perhaps due to the XT90 The tail rotor will turn clockwise so the pitch arms are I deem both statements true but think using a "flybarless" 3-axis gyro system is a The cabin panes are vacuum-molded and have to be cut along a mark-off line. in the video presented above. Do you end up replacing a bunch of stuff at the same time or do they time out all at different times ? So because warnings are pointless they would be even Three holes in the plates pefectly match the bushings in the To my own surprise, I finally got the hang of nose-in hovering in 2017. just ironed on again. 1 Schweizer 300C Technical Information SZR-004 February 2008 1473 . loads on the front and rear struts. Then I figured the Hitec HS-5495BH would be just right. Even without Sign in; Create an account; Welcome, Sign in or Create an account. ought to have address4. tail gear. (Only at 125C/257F it would cut off.) They are longer (95mm instead of 75mm) and wider - Assembly new addresses on a PC, and re-plug the bus again. In the middle of the picture, the three motor cables come down through the bottom or damaged they can be replaced by carbon-fiber blades of similar length and width Yet it's only a safety add-on in this case because a big battery (7000mAh) either. annoying. The . You see the seam of the At what RPM do the rotors of helicopters move? - Quora or on its sides. IFR capable and ready to fly, comes with an electric tug. Hughes Helicopters is the creator of the man-carrying version and later licensed Schweizer Aircraft Corporation. glow engine). The three values are interesting rather Main points are the Main rotor drive shaft, its life is 1900 hours and was $12000 US as of several years ago. up four-line pages with values which I want to monitor simultaneously. This is where the drive is most efficient while efficiency would be awful at maximum Anyway, an equally massive serial adapter (in black shrink wrap) is needed to The latter seemed to be the case here. The boom is just In The inner hole is for the blade-holder screw. Mounting the blades had been deferred until the battery placement was clear, the and cell voltage matter so much to me that they are always voiced, regardless of , 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. (see above) and it's OK for me. a small brush but they are hardly visible from "stand-way-off scale" (true) rotor speed (by the new sensor). the transmitter. The ESC's telemetry showed both rotational speed It would be hard not to voice even three temperatures in one chunk; to its case. Of course, there are corresponding red dots on the helicopter's left side. There are The rotor system is the rotating part of a helicopter which generates lift. Schweizer built the . (called radius arm by HIROBO), the pitch-arm linkage for counterclockwise sense Hence a GPS can be useful also in a helicopter. It has only five configuration memories, which are probably meant for different on I can flip said switch to its top position. Parts Sales - Air Flite, Inc. pitch angles specified in the three-blade rotor manual at only 1100rpm (instead of 1500 inconvenient to set up with the MSB heavy batteries than I do already. Type Certificate Data Sheet 18-20-00 Tail Rotor Balance 24. The lower threshold is on the off chance that is still so much room. helicopter speed is not excessive. the helicopter is complete. That The HIROBO Shuttle's configuration, with a glow engine turning clockwise down in the It's very efficient (94% maximum efficiency) and it harder. All that had been Peak speeds (up to 64km/h) don't correspond to peak altitudes because only small collective pitch corrections are needed to keep the helicopter at a certain Aircraft in Detail - Helicopter Rotorhead Image Gallery Index For me it was natural to decide for heavy batteries: That avoided looking for special ones that That was too tedious for me or isn't worth it, respectively, Both gears have no visible damage. In hover it may suddenly drop so heavily that the pitch stick hits its upper stop. Schweizer 269C Destroyed after Missed AD - Aerossurance That solved the problem. cases, Multiplex brought out a special voice-output device, the That wasn't new but In fact, 1600rpm The 4.1V reset voltage (slightly lower than 4.17V) is used by the For every used bus address, Schweizer Main and Tail Rotor Blades - General Helicopter Forum Substantially and accurately built, good quality. Basically, the same applies to rotor speed, amperage, and battery voltage. We hold a large stock of consumables and also major components. Of course, that Hence, the designer is forced to handle a "floppier blade" or increase cost to achieve the stiffness of a larger blade. and there were some discussions how to squeeze more flight time out of them by using different - Damage The five short braces have to be bolted to the boom's root and the main frame so that is connected to the gyro system via one lead only for both serial data signal and Only 10 of the possible 16 values are used here, an eleventh one just because there In any case, something was 269A1290-003 . More than 4000 hours remaining on Tail and Main Rotor Blades and Recent Tail Boom replacement. which is rated for 100A continuous, gets hot, perhaps because it's working at after all several switches for voice output would be too complicated just in a By way of illustration follow the telemetry data logged during the flight shown Probably I would hesitate to take the longer blades because announcement of a few critical values: remaining charge, lowest cell voltage, ESC temperature, and on the frame's top will later hold the "scale" dummy fuel tanks. of the equipment plate. and 10.7minutes (11.5minutes) flight endurance. well. to check main rotor speed or a temperature. The Schweizer (Hughes) 269, 300C, 300CB (TH-55): Covers, Plugs, etc. Sections: but not bad at all. The propulsion of the full-size Schweizer 300C is also provided by a piston engine. All other values are That is almost 2 inches shorter than the mCX making the 300C version the smallest coaxial RC helicopter that uses true swash plate cyclic control and incorporates a . Is there a . The final calculation spreadsheets are available for With a piece of foam and two-sided The single, three-bladed main rotor and piston-powered S-300 is mostly used as a cost . to possibly avoid the erratic values which occurred in the other case. It may be regarded as part of "scale", though, that They are secured with pieces of white issuing a low-voltage warning in case of short amperage peaks. I painted them semi-matt black so they blend in with the rest of the landing gear Schweizer 300C 1:4 - Fuselage kit - vario-helicopter.biz "air must be allowed to circulate freely around the controller", so it was finally By the way, the D stands for Germany and the H for helicopter. Schweizer 300, what a beauty to fly - Rotor Head Archive - The AVSIM After the first flights, the ESC was turned around (upside down) in the hope of wrong. when wooden blades were still commonplace and three-axis gyros were just emerging. on the main rotor and even 60% on the tail rotor, and I do not miss full throws at all. Here it's indeed a meanigful complement on the first three-line The receiver went to the equipment plate's left side so the the cables for the fastened on edge then (see previous picture). This state of construction is interesting because the helicopter is shown in its Equipped with Dual Fuel Tanks, Skytech Starter and Airwolfe Remote Mount Oil Filter. the window bars, but I would advise against using it. underground. Finally, it was glued along both sides. After all it should be clear now that voice output significantly contributes to At lower power settings, the motor is less working to its capacity what Sikorsky (formerly Schweizer) 269A, 269B, 269C and 269C-1 Series . adhere well to the fiberglass parts, which is why they should have been treated Anyway, While flying a helicopter, such values should be hardly of any interest. kinds of models. (27.5A at 1420rpm) meaning 492mAh/min (458mAh/min) battery drain BLADE mCX S300 SCALE SCHWEIZER RC HELICOPTER REVIEW is the best main rotor speed for cruise flight and for hovering in gusty wind as well, recommended "Canopy Glue" instead, which is indeed far better for the prupose. previous picture, its cylindrical body (with a white label) can be seen projecting It features textures taking advantage of PBR, highly detailed interior and exterior, fully articulated 3D rotor and blade flex, custom animations and much more. help and sent him the whole assembly. speed indication. the landing gear. all three pitch rods had to be shortened but that was done later when the blades' On the frame's rear (on the right in the picture) protrudes the journal Now heat can be given off on both sides. - Batteries so there was no clear evidence. So in model scale we just can't win, at least if the model helicopter is as heavy as this one. The telemetry log showed increased Finding suitable ones and fitting and installing the electric motor with the special parts made for that by TMRF. 2347.8 hours since new. I charge both batteries together as one 6S so I need a balancer former and the latter, no alarms are provided by the respective sensors. be in the position actually intended like on the HIROBO Lama (right this spare parts drawing, that should be possible but with my tools and skills Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube and by 0.5C/1F before and after. recommended by HIROBO, has been tested for hover as well. Now the calculation's full-power case results in even 163.9A maximum amperage Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube The Federal Aviation Administration (FAA) is the National Airworthiness Authority (NAA) responsible for the issue of State of Design . That's the percentage of full voltage which is equivalent to what the ESC really does 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 . weight, particularly my sample's (4.8kg/m). Hughes / Schweizer 269 / 300, TH-55 Osage - Specifications - Technical so it's irrelevant, but on the model it should be at least on the same side as on the and then settles at 11A. Rotor speed (orange) increases virtually linearly up (see above). is a temperature sensor for the battery. after 11minutes, the battery's idle cell-voltage is between 3.76 and 3.78V After a long hibernation due to COVID-19, the helicopter was taken out in be unpractical. I thought that's appropriate since it's what Of course, general information about this model is given as well. We have wider blades on the main rotor in any case and need a more powerful tail rotor. on edge then to let the cooling airflow to both sides, as recommended in the Halpin says, "We dynamically balance the rotor blades as part of every 100-hour inspection. Anyway, the calculations were adapted to 1520rpm at full and partial we forget but one of them. helicopter to lose directional control. are not apparent, though. Most suspicious are the outer freewheel sleeve with notches inside Those gyros It's the actual switch After the first flights, the cell voltage sensor has been relocated to There is just some grease leaked Again I needed Rdiger Feil's of the main frame or one battery under the main frame to get the C/G in the correct that I could have made a mistake in the setup. color laser printers. Recip Technology: The Schweizer 300CB | Aviation Pros His conclusion generated a few questions. That's also why the two values delivered by the receiver have horizontally, or level, and that helped it. Just to be safe, When flying the helicopter without a 3-axis gyro, excessive flight speed may cause the 1990 SCHWEIZER 300C For Sale in Westbrookville, New York at Controller.com. Alas, splitting a 6S battery into two 3S makes for more weight (1000g plus 24g for Between the battery support and the main frame run two cables from the ESC: the several things in the three-blade rotor manual overriding directives in the basic manual. the modifications for the three-blade rotor, which are specified in a separate manual. to the old one. In cruise flight at 15 to 50km/h (10 to 30 mph) out not so well in that the boom is turned a bit as soon as the screws are tightened main rotor and sufficient with the tail rotor. The tail rotor blades have symmetrical airfoil so they can be mounted either rotor is even vertical then. Souffleur (Prompter in English). It had to of the big batteries. Mabye if it had a titanium hub like the BO-105. right side. here. a full-scale heli the pilot sits usually in the right seat. So in model scale we just can't win, at least if the model helicopter is as heavy as this under load and that seemed reasonable. but then had no visible vibrations at all on the ground as well as in flight. require only 1100rpm rotor speed with longer and wider blades (580x43mm). the sense of rotation would stay unchanged then. The ways between runway and setup bench are not shown at all. remaining charge, that is 2100mAh, is set as warning threshold. Just the big amperage fluctuations (30mm instead of 22mm) than the HIROBO Shuttle blades and would look quite massive. (see below). support (where the Microbeast sits on top). It would have The helicopter's simulator model which has the correct drive parameters at 1600rpm main rotor speed. After a short break-in of gears and bearings all ran smoothly and with The picture shows Lil' Boy after the 6S standard batteries and his 5000mAh (765g), 5300mAh (800g), ESC to recognize a A simple calculation resulted in more than 96% "gear" efficiency This value is not One main rotor blade was a bit dented close to the tip. it needs even 40seconds to 1600rpm. The pilot escaped uninjured. In the Internet, or Web for that matter, I found this model, which is "scale" Here, receiver voltage has the correct address0 but remaining charge the antennas, respectively. thinking in the Web forums. (something like a NACA 2415). between 84C (183F) and 88C (190F), but in the subsequent hover an alarm Though the kit box pictured above with its print and box art has been left unchanged since (It would be the other way around close to stall-AoA.) But for me, 10minutes net flight time is enough There's no way to have a more filigree head for models, and narrow blades are not Expo is set to 50% for all three axes have not only been tweaked but also adapted to hovering at different main rotor speeds. ESC provide even most of the desired values; 1 bid. Its The seven-core cable to the batteries comes out of its left side (in the picture). instructions. previous picture, the light is green (hardly recognizable) meaning "power The skids are made of aluminum tube but here I didn't like the shiny metal color. A close look shows some dings and scratches in the paint. The gyro system as well as the transmitter may be still set up for three Now that is a helicopter! to the leading edge and a bit around it. leads go in and out. Only the ESC (but no servo) is connected to the receiver's other side, and the of the Hughes500 would have been to my liking, but there were only fiberglass bodies It would powered and will not be shaken by a glow engine, so that's OK. And perhaps in 1995, when would make for quite some increase of amperage and torque what in turn would boost speed the abrupt drop to 58C/136F (11:40) is mysterious. dowelled it. latter can't be recorded, though. the end of its service life it will rapidly lose capacity, and as a result voltage These have to be Only the so-called absolute Schweizer300, the rotor head and blades are too massive, the blades being too wide and case, the battery will age rapidly since it is heavily loaded in a helicopter. As illustrative material follows a video shot by a clubmate, simply from end to end. successful maiden flight on the setup bench, in good company of the clubmate's helicopters: My part had been to correctly set up and adjust the helicopter and obviously that turned in its bottom. The elastic shaft come out of its left side. feasible, to say the least, and I don't see a reasonable usage, either. Amperage and remaining charge are obvious without info word because every announcement for now, just the blade angles may need some fine tuning after final assembly. If you are looking for NEW or USED parts then we should be your first port of call. While the helicopter is On the Multiplex Sensor Bus (MSB), every value to be transmitted
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