Kumbbl Posted October 2, 2013 Posted October 2, 2013 Hi, anybody out there who has motorized this beauty: I'm currently brainstorming what is the best place for battery box and M-motor... i would appreciate any hint/idea.. Thanks a lot! best regards Quote
Balrog Posted October 2, 2013 Posted October 2, 2013 I have it currently still built and standing on the shelf. I thought about motorizing before, but didn't investigate further. Though, I don't think there is a good place in this one to hide the battery box, so it still looks ok. Quote
freakwave Posted October 2, 2013 Posted October 2, 2013 I just put the buggy motor on it instead of the backrotor, so not really inside Quote
CP5670 Posted October 2, 2013 Posted October 2, 2013 I did the same thing. That motor fits nicely there and you can keep the rear rotor with a little work. It's quite impressive to watch it run, especially when the main rotors are in their upright position and can attain full speed. Quote
aol000xw Posted October 3, 2013 Posted October 3, 2013 In the video when you drive the rotors by hand they keep freewheeling after you stop driving them. What is the freewheel mechanism? Quote
jantjeuh Posted October 3, 2013 Posted October 3, 2013 Probably some simple kind of ratchet, like the original 9396 uses. Quote
aol000xw Posted October 3, 2013 Posted October 3, 2013 I did not know how the original 9396 worked, Just checked it, nice concept. Quote
beach_dr Posted December 15, 2014 Posted December 15, 2014 Decided to build B model and add motor from the beginning Motor and standard battery box fit in quite well, though won't be able to change batteries without dismanteling half the helicopter... Took the grey floor panel out to fit in the battery box - needed some minor modification on sides to fit in box, and moved some of the rotor gearing a bit further backwards, which actually simplified the layout! Fitted a small liftarm to batterybox switch to activate it from right side of helicopter. Function switch on left side for rotors/wheels remains unchanged. M-motor slotted into tail section just behind gearbox. Where instructions gear up rear rotor with a 20/12 gearing, I switched the gears and geared the motor down 12/20. No place to build the clutch system from A-model into the structure, the M-motor does whine for a moment as rotors stop spinning. Lost the tail rotor, as not essential for dual rotor helicopter to actually have one... And hopefully, a video of the rotors spinning. If it imbeds... View My Video Quote
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