building a unionville 6' beaver - RCCanada - Canada Radio Controlled Hobby Forum
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Old 05-27-2005, 11:53 PM   #1
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building a unionville 6' beaver

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I am building a unionville 6' beaver and i have a few questions. what is the proper way to offset the engine 2 deg right and 2 deg down. the motor going in is a gs45 supertigre with a pitts muffler and the mount i am using is a dave brown. also regarding the nose cowl how big of hole do i make for the eng and where do i cut the cooling holes. Anysuggestions would be helpful. thanks
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Old 05-28-2005, 06:03 AM   #2
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Using a Dave Brown Mount, you can cut a ply ring with a dremel saw and use a disc sander to taper it down for use as a wedge behind your mount.
You used to be able to buy these from a company called Ernst.
Another method for the downthrust is to use flat washers behind your
mount .
For your cooling, your cowl is radial, so you want the air to pass over the
engine head.You may use small ply plates inside to guide the flow. More important, make sure the hot air has good room to exit from the cowl.

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