ZDZ 40RV on Yak  
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All Forums >> RC Airplanes >> Giant Scale Aircraft - 3D & Aerobatic >> WildHare R/C Support >> ZDZ 40RV on Yak Page: [1]

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ZDZ 40RV on Yak - 5/15/2006 5:17:55 PM   
cwhite


 

Posts: 209
Joined: 10/19/2004
From: Farmington, MO, USA
Status: offline 		Would the ZDZ 40RV work well on the YAK or would the 73" Edge be better for 3D?? I would want at least 1/2 throttle pullout.
Thanks,
Chris
       Post #: 1

RE: ZDZ 40RV on Yak - 5/15/2006 7:40:24 PM   
ben beyer



Posts: 2339
Joined: 11/23/2002
From: College Station, TX, USA
Status: offline 		If you want 1/2 throttle for pull out, I'd say the 73" Edge would be your better bet.

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RE: ZDZ 40RV on Yak - 5/15/2006 9:20:33 PM   
rctom



Posts: 5203
Joined: 5/8/2002
From: Flower Mound (near Dallas), TX, USA
Status: offline 		I agree.

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RE: ZDZ 40RV on Yak - 5/16/2006 5:05:50 PM   
JoeAirPort



Posts: 7149
Joined: 8/11/2003
From: Milwaukee, WI, USA
Status: offline 		Caution, 40cc gasser on 73 inch wing = brick. Chop the throttle and watch it drop. I'll take that engine on the WH Yak any day. Not disagreeing with Tom and Ben, they are both right. But I prefer the wing loading of the Yak with the 40cc gasser. Vertical pullout is not as important to me hence the Yak as my pick for that engine.

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RE: ZDZ 40RV on Yak - 5/16/2006 5:35:14 PM   
ben beyer



Posts: 2339
Joined: 11/23/2002
From: College Station, TX, USA
Status: offline 		It will probably add another pound to the airplane. When I had mine with the OS 160 it would float and float and float. The online review has a Brison 2.4 and it floats in nicely for landing. That engine weighs the same as the ZDZ 40. Flight characteristics aren't based on wing area alone. Airfoil shape has a lot to do with it to.

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RE: ZDZ 40RV on Yak - 5/16/2006 6:00:30 PM   
rctom



Posts: 5203
Joined: 5/8/2002
From: Flower Mound (near Dallas), TX, USA
Status: offline 		I can assure you that with a lightweight 40cc engine the Edge is not a brick, farthest thing from it. Very well matched for 3d stuff.

The Yak is good also, but if you want to go vertical at 1/2 throttle then lighter is better.

TF

(in reply to ben beyer)
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RE: ZDZ 40RV on Yak - 5/16/2006 8:41:39 PM   
ben beyer



Posts: 2339
Joined: 11/23/2002
From: College Station, TX, USA
Status: offline 		If you're looking for something that will be ballistic, you might look into putting a BME 55 Extreme on the 73" Edge. I think it weighs 2.5 lbs. or so with the ignition and has as much or more power than a DA 50. So think what a DA 50 would be like on a 12-12.5 lbs. plane...

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RE: ZDZ 40RV on Yak - 5/17/2006 12:57:25 AM   
JoeAirPort



Posts: 7149
Joined: 8/11/2003
From: Milwaukee, WI, USA
Status: offline 		YES !! That is the perfect engine for a 73 inch aerobat. Forgot about the BME 55 (even though it's not out yet).

quote:

ORIGINAL: ben beyer

If you're looking for something that will be ballistic, you might look into putting a BME 55 Extreme on the 73" Edge. I think it weighs 2.5 lbs. or so with the ignition and has as much or more power than a DA 50. So think what a DA 50 would be like on a 12-12.5 lbs. plane...



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       Post #: 8

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