40% Yak weights  
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All Forums >> RC Airplanes >> Giant Scale Aircraft - 3D & Aerobatic >> Aerotech R/C Models Support >> 40% Yak weights
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40% Yak weights - 6/12/2006 4:03:16 PM   
scottdunphy


 

Posts: 6
Joined: 1/9/2006
From: Nolensville , TN, USA
Status: offline 		I was wondering if anyone could give me some weights on the wing , stab , rudder and fuse before finishing with no equipment installed on the Aerotech 40 % Yak .

Thanks ,
Scott Dunphy
       Post #: 1

RE: 40% Yak weights - 6/12/2006 4:59:09 PM   
Aerotech


 

Posts: 719
Joined: 7/30/2002
From: St. Ptersburg, FL, USA
Status: offline 		Hello Scott,

Uncovered it should be 17-19lbs with gear canopy, panels, tailwheel, wing tubes, stab tubes etc.


Thanks
John

(in reply to scottdunphy)
       Post #: 2

RE: 40% Yak weights - 6/12/2006 7:51:17 PM   
scottdunphy


 

Posts: 6
Joined: 1/9/2006
From: Nolensville , TN, USA
Status: offline 		Thanks for the info John , I honeycombed my wings and I was wondering if all of the effort was worth it , my wing panel came in at 52oz and that is vacuum bagged with .05 carbon matt and a carbon fiber spar . Any other data would be great if anyone has weighed parts .

Thanks ,
Scott Dunphy

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(in reply to scottdunphy)
       Post #: 3

RE: 40% Yak weights - 6/13/2006 4:37:46 AM   
pcastine


 

Posts: 130
Joined: 3/9/2004
From: Forest, VA, USA
Status: offline 		Scott,

My 40% Yak wings weighed 54 oz each; the stabs were 11 oz each. (That is including control horns and hinges.) The wings were vacuum bagged with West Systems epoxy and carbon tow; the stabs were also bagged, but have no carbon in them.

The fuse has a bunch of equipment in it right now; when it's stripped down I'll weigh it.

Best regards,
Pete

(in reply to scottdunphy)
       Post #: 4

RE: 40% Yak weights - 6/13/2006 4:52:24 AM   
scottdunphy


 

Posts: 6
Joined: 1/9/2006
From: Nolensville , TN, USA
Status: offline 		Thanks Pete , what motor do you have on your Yak and does it have the power you are looking for ? Do you think a ZDZ 160 or the 3w 157 would fly it well or do I need to go to a 210 ?

Scott

(in reply to scottdunphy)
       Post #: 5

RE: 40% Yak weights - 6/13/2006 2:46:19 PM   
pcastine


 

Posts: 130
Joined: 3/9/2004
From: Forest, VA, USA
Status: offline 		I haven't flown it yet; my building thread is the "Yet another Yak" here in the Aerotech section. Hope to have it done by July.

I'm using a DA-150 on K&S tuned pipes. I'm shooting for an AUW of 41 lbs, so that engine/pipe combo should be fine. I previously was flying a Comp-ARF 3.3m Yak 55 with that engine/pipe combo, and it weighed 46.5lbs.

Pete

(in reply to scottdunphy)
       Post #: 6

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All Forums >> RC Airplanes >> Giant Scale Aircraft - 3D & Aerobatic >> Aerotech R/C Models Support >> 40% Yak weights
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