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Old Oct 14, 2010, 08:10 AM
Registered User
England/uk
Joined Oct 2007
517 Posts
Discussion
RC League Extra 300 L 50cc with budget setup?

Hello,
I recently put together another one of my budget large electric models,The kit is from RC League and is an Extra 300l with a 2mtrs wingspan designed for a 50cc engine. kit cost 199 < a bargain> i have used a modified turnigy 6364/270 kv motor with a hobbywing hv 100 esc ,two packs of 5000 5s lipos and a Biela 20x8 carbon prop.
performance is more than adequate for my mixed style flying and will prop hang and pull away if thats your thing?
IT weighs just under 12 lbs and so far has twenty flights without the motor meltdown and the smoke escaping???

cheers Euan.
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Old Oct 14, 2010, 06:37 PM
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fu-corsair's Avatar
Canada, NB, Southfield
Joined Mar 2008
160 Posts
Looks like a nice fun setup.
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Old Oct 19, 2010, 06:55 PM
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Joined Apr 2007
515 Posts
What mods were done to the Turnigy motor? THANKS,HUNKUS
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Old Oct 20, 2010, 12:23 AM
Knobbs
Friday Harbor, WA -San Juan Island
Joined Aug 2008
458 Posts
Yeah, been considering something like this myself. Whad'ya do to the motor?

Rishelman
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Old Oct 20, 2010, 03:43 PM
Registered User
England/uk
Joined Oct 2007
517 Posts
rcleague extra 300 l

Hello,
One of the main problems with the turnigy motor is that it has a rather poor grade aliuminium shaft stopper ,that in use heats up expands and eventually lets go with the whole front of the motor coming loose in flight? i tried heavy duty threadlock and ground flats for the grub screws to locate on but still it fell apart.
I found a 10mm internal diameter ball race and a 10mm aliuminium shaft stopper from a Century HAWK helicopter in my parts box,next thing is too gring three flats onto the motor shaft in order to locate the grub screws on.
The bearing acts as a thrust race and so far my three big Turnigys have stayed together,
thanks Euan.
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