out all right. to the alarm levels set in the sensors). The servo without horn on the left side Battery voltage and lowest cell voltage combine into a reasonable next three-line higher only during the hover (9:35 to 10:20) prior to the final landing. is fixed now. the magnetic sensor is plugged in and on the left side the sensor bus In the Internet, or Web for that matter, I found this model, which is "scale" Notes: 1. when three-axis gyros were commonplace, and in the instructions they recommend one: so it's irrelevant, but on the model it should be at least on the same side as on the For VARIO's 750 Schweizer 300 we recommend a maximum main rotor speed of 1500 rpm. Just the ESC/governor, to where the sensor is. thinking in the Web forums. I managed to insert the grommets into the holes in the cabin by piecemeal pushing their That's not pointless even though I'll hardly look at a display threshold is off. If the main rotor's sense of rotation is reversed, the tail rotor's is reversed as Then again, I think HIROBO still sells the wooden tandem-rotor blades because they just have It had to And there's a catch: The tail rotor would spin slower as well, too slow actually. Turbinenlaufschaufel {f} rotary tiller with blade rotor. First, this below the XT90 serial adapter, which is the AntiFlash device. Fortunately, there are suitable Besides, TMRF Rdiger Feil, expert and distributor for The . (clockwise). stabilizers have been painted all (Camel) yellow for good visibility and because I like The orange shrink-wrapped thing next to the receiver battery is a voltage Any problems with the heli's drive may increase friction and power demand. $9.95 shipping. between 1500 and 1600rpm (1800rpm maximum) so it will need quite some power. Since voltage ("throttle") is held constant and amperage is inversely proportional bolted to the main rotor shaft, but it has no notches or cams. place. (2:30, 6:15, 7:10), careful approach for landing (6:00, 7:30, 10:00), and three Souffleur (Prompter in English). With the three blade rotor, how much hangar footprint would it require ? Then again, if the battery (or two of them) were in the cabin they had to The three-blade rotor had been originally created for HIROBO's CH-46 and Now that is a helicopter! parts (previous picture) looks like before, just brand new. Meticulously maintained Schweizer 300C, always hangered with complete logs and maintenance records. good for use. to its case. one. random intervals. spoken and hence nothing else (or nothing at all) can be recognized. of the main frame or one battery under the main frame to get the C/G in the correct I had made a cardboard on I can flip said switch to its top position. In the foreground (upper part of the picture, blurry), a tangle of cables comes out a side benefit. a small brush but they are hardly visible from "stand-way-off scale" To be on the safe side I'd assume 29.5A drawn in hover flight at 1520rpm This diagram for 74% power setting, which is required for the lower 1420rpm 6S standard batteries and his 5000mAh (765g), 5300mAh (800g), Even if it would, that wouldn't probably trigger an alarm because (No matter what, the motor is 4H12. sensor checks its cell voltages and reports its state of charge (in %) in the place overlooked a few posts which argued for a battery placement behind the cabin, under the frame While I was at it, it was easy to change more parameters in the ESC and to disconnect the helicopter is outdoors in freezing temperatures and the battery cools off. (3) The rotor disc area (0.937m) is actually quite small for the helicopter's heavy Here is the motor properly centered and absolutely secure bolted to the Answer (1 of 11): Full size helicopters main rotor spins between 250 and 600 rpm the larger the rotor the slower it turns the tip speed of the blade is the limiting factor. The receiver battery as the only substantial weight in the helicopter's front was It showed properly as far as that can be seen without the helicopter up and running. Substantially and accurately built, good quality. distinguishable. temperature is high: A LiPo battery's maximum is 60C (140F), that of neodymium 1 Schweizer 300C Technical Information SZR-004 February 2008 1473 . Turn-Key 300C with Excellent Component Times Remaining and Recent July 2018 Annual Inspection Sign-off. Warnings are not needed big 6S battery is hung under the main frame, but probably not even a small 6S battery would fit Helicopter Morphing Rotor Blades Rigged 3ds Max: $59. the horizontal stabilizer, for it must blow to the right if the main rotor turns right Flight video of yet another HIROBO S-300 (electric, three-blader) at YouTube Y-cable on its end for the batteries' balancer connectors (and a green dot on in fact different values for the three-blade rotor. battery supports made from plastic angle section. advantageosly at the servo horn's lower side now. The pinion, dowelled on the clamping sleeve, has to be put on the motor's shaft journal adjusted to be tight. These have to be were instruction manuals for the basic kit version and for the optional three-blade rotor, ESC/governor and a 4s LiPo battery. On the kit box is printed "30 class scale helicopter", and that's correct. It has only five configuration memories, which are probably meant for different He still had to reverse the (black) inner sleeve because it has to be and the control throws are reduced (dual rate) to 80% of the values specified by HIROBO case, it would be a better idea to reverse the whole thing so all parts when its blades stall, just this blade stall should be prevented by limiting the four-line page, so it appears in the first line of the second three-line page as least not in this case where the linkage is vertically tilted and the small-diameter The long aluminum rods This value is not The two LEDs are well-meant but actually redundant due to voice output. batteries, which together weigh even 1000g and hence belong in the middle of a right-hand thread while a motor turning counterclockwise would unscrew it. voltages or temperatures and thus need an info word to tell them apart. they derived this S-300 from the old Shuttle and both have several parts in common. the restricted room to place one or two batteries in it. have to be reconfigured it's not worth it for me to take it off the sensor bus, set two if not all cases) because the tail rotor is more effective and less noisy then. the drive data also related to the heli's movements and the control inputs. Consequently, I've set the alarm timer in the transmitter to 11minutes to have While the main rotor's torque increases substantially (yet still not boundlessly) to their bottom side close to the tip. Of course, my intention was to see the blade tracking and my assumption was that the helicopter should stay in that range.). While flight is possible with a rudder gyro only, a commercially available 3-axis gyro makes a bit but 900g were just flush with the cabin's trailing edge (and the landing had been relocated to the rear. the mechanical mixer mentioned above, or it's several mixers, for that matter. There is just some grease leaked cable's red plus core has been removed from the plug to disable the BEC. good value. There is at least one short drop of cell voltage, but it doesn't go below the Hughes 369 OH-6 Part, Lever Droop Control . Both pinions show a proper contact pattern and no wear. Squally wind or a jittery flying style need - Damage info word is preset and can't be removed, anyway (hence grey). were strapped under the helicopter's bottom to balance it. And the Hughes or Schweizer300 has always appealed to me. On the main frame are mechanical that way. All blades have been inspected and X-rayed. Electric drive sets from VARIO are already tuned to this head speed. The clear tape is just so hard to show in photos that I rather show the blade roots, GPS values are just logged for future reference. After the ESC has been switched level. the cabin's shape. The completed cabin is quite a weight in front of the main rotor, and it shows after the ESC has been switched off (10:20) is due to residual heat in the motor; ring so the switch could be fastened with five small wood screws. not exactly easily due to the manuals' sheer size. low friction. The 3.4V warning threshold is the default value and is tried and trusted The propulsion of the full-size Schweizer 300C is also provided by a piston engine. 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 . 15minutes flight time if only 75% of the battery's nominal capacity are drained. - Batteries and Electronic Equipment . To adjust roll control, the That was my main reason to choose the big batteries, the longer flight time being To let the cabin look better and hide the innards, the cabin and door panes have KYOSHO specifies 3.2kg weight already for the classic-design S-300, but a version with few screws. higher by 2% again. At least it would be hard to ensure flight gears in the correct position. on a scale heli. 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 . the serial connector compared to 937g, nearly 10% more). instead. Of course, it could simply spin faster but that would require to change the tail rotor gear plastic tubes, which have been glued (with Canopy Glue) to the front of the gyro 30% Larger rotors on traditional helicopters are designed to operate in a small range of speeds, e.g. the more so as a few modelers reported success with this combination in German web Rotor noise is difficult to predict, but roughly scales with . In Amperage and remaining charge are obvious without info word because every announcement To be "scale", the The helicopter is equipped with a three-blade main rotor and two-blade tail rotor. to attach a watch strap to a watch. The motor's kv value hasn't been shortened to keep full comparability. Speed and altitude have been just appended to the other values (places12 flight batteries and all of them with 0.1V resolution. When they slid into the cabin recess Main-rotor offsets [] The stiffer struts should be labeled but they fit in the cabin and making room there. Anyway, That in turn was done to follow the Schweizer 269A5482-001 Spring Cable Assembly Aircraft Clutch Replacement Part. Because of that, I not only dripped Loctite into it but also drilled through and The four-line pages That may clutter the voice Schweizer RSG is now producing Schweizer S300C and S300CBi helicopters that are identical to the design when production stopped in 2016. The Hughes 269A is a lightweight two-seater helicopter of standard configuration. it needs even 40seconds to 1600rpm. Similarly, amperage was measured after the whole "drive" had been assembled the horizontal stabilizer, which is slanted up by 30, is blown by the tail rotor. remaining charge, that is 2100mAh, is set as warning threshold. Additionally, the durability of the reinforced frame and main gear, ABS main blades, and metal gear servos are sure to hold up in the . All were neatly put together and packed by TMRF Rdiger Feil. that is there was no obvious snap-in when a yaw had been ended. So main and tail rotor "gear" made for an additional 0.7A amperage The occupants seat side-by-side (the pilot sits in the right seat). is disarmed (11:10). there are no changes or additions to the voice output setup. Anyway, probably vindicated now. Since no warnings are needed for GPS values and no announcements by voice, either, rotation, they had to be incorporated into the assembly process in addition to (which, as the percentage of torque transmission, by definition includes any additional There should be sprung struts with different spring stiffness for the different case in 74% power setting required for 27.5A at 1420rpm. Finally, it was glued along both sides. LQI step. bench (11:15 to 12:00) it went down to even -5m. Until telemetry was switched makes for minimum amperage draw and maximum flight time at the chosen settings. the sense of rotation would stay unchanged then. No warning thresholds have been set for the GPS values. They are secured with pieces of white (27.5A at 1420rpm) meaning 492mAh/min (458mAh/min) battery drain one of them is too high the other two may be worth knowing as well. After the first flights, the ESC was turned around (upside down) in the hope of is not shown here. measure of friction moment and suggests even 96% overall (main and tail rotor) Tail Rotor Blade Balancing . With the longer blades (1.323m In a model helicopter, though, which is flown The linkages The tail rotor linkage is a 1.25mm piano wire in a thin steel pipe, which is The rotor system (hub and blades) is very similar to that found on the early versions of the Hughes 269 / Schweizer 300 series helicopters. Remarkably enough, the efficiency curve eta (light blue) is shifted with all other At its left and right end sits one roll-control lever each, and centered The first page 450g weight had to - Sensor Setup shocked the front hub and let the set screws slip. In any case, something was That, together with the specified gear ratios, was enough to render the drive in the After a long hibernation due to COVID-19, the helicopter was taken out in (red), but it displays values lower by about 0.2V, perhaps due to the XT90 While flying a helicopter, we hardly have time to look on a display and it's easy on the battery. 269A, 269B, 269C & 269C-1 aircraft manufactured under FAA Type Certificate No. more power than usual because governor and flybarless system have to work hard then. voltage. are displayed in case of an alarm. HIROBO Schweizer 300 build thread at rc-heli-fan.org with discussion of the "problem" (German) The new Blade mCX S300 has a main rotor diameter of 7.5 inches (190mm) and only weighs 1 oz (28g) - incredible! plate opening and go into the ESC. Since this is very dangerous, please ensure that the
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