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Odin 90 Electric Conversion

Electric Helicopter discussions.

Re: Odin 90 Electric Conversion

Postby Koos » Wed Mar 03, 2010 8:11 am

LOL
won't call it a beaut, but will bring along one night.. just massive though (700 class) so no flying about :).

Got some weird wobble at the moment, not back forth as low headspeed, more the head going about 5cm side to side after wind gust. Replace damners, Highpoint balanced the head, etc. Might be that the frame is flexing to much at the main shaft bearing blockds(the production version of the odin has extra braces which this one don't), but will confirm that later today.

L:
http://www.2fax.co.za free fax 2 email
http://www.urbanjewel.co.za online body jewelery shop
Koos
 
Posts: 91
Joined: Sat Feb 20, 2010 8:42 pm

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Re: Odin 90 Electric Conversion

Postby Koos » Wed Mar 03, 2010 11:28 am

Quick Update

Seems like the wobble is from the shaft worn out due to bearing slipage. There is no main shafts in SA for odin (as far i can see) so need to find something somwhere. project on hold for time being ;-(

Cheers
L:
http://www.2fax.co.za free fax 2 email
http://www.urbanjewel.co.za online body jewelery shop
Koos
 
Posts: 91
Joined: Sat Feb 20, 2010 8:42 pm

Re: Odin 90 Electric Conversion

Postby Koos » Wed Mar 03, 2010 12:28 pm

full stripdown revealed not the shaft... with the paddles/flybar and blades removed, it still has a major vibration with just the headblock and grips installed.. think head got bent somehow .. joy's of heli's

L:
http://www.2fax.co.za free fax 2 email
http://www.urbanjewel.co.za online body jewelery shop
Koos
 
Posts: 91
Joined: Sat Feb 20, 2010 8:42 pm

Re: Odin 90 Electric Conversion

Postby Koos » Sun Mar 07, 2010 10:23 pm

update:
New head, etc, bench vibration fixed. Stil have wobble.

Started wondering if there not something flexing and causing the wobble. During the wobble notice the tracking go out alot, don't know if due to wobble, or flexing.

After some checking, notice the ball links on the grips themself are moving about 4-5mm under light presure... not good, this will cause the pitch to change dramaticly during the flapping thing in wind gusts... The cause is actually the heat. For some reasong the plastic used becomes extreamly soft above 35C. (days like today). this might explain why never had issue before. I used to test in mornings, and was only about 25-29C.
Might try and cool them off with some ice and check again...

will keep you all updated
L:
http://www.2fax.co.za free fax 2 email
http://www.urbanjewel.co.za online body jewelery shop
Koos
 
Posts: 91
Joined: Sat Feb 20, 2010 8:42 pm

Re: Odin 90 Electric Conversion

Postby Koos » Mon Mar 08, 2010 9:04 am

Vid of grips flexing:

http://www.2fax.co.za free fax 2 email
http://www.urbanjewel.co.za online body jewelery shop
Koos
 
Posts: 91
Joined: Sat Feb 20, 2010 8:42 pm

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