We did not have but one rotary powered aircraft at Charlie's flyin this last weekend (Slobovia).  However, it is a real beauty - Bill Eslick's RV-6.  Now I see why it is winning awards.  But the most interesting feature was the electric cowl flap - quite innovative and now I have yet another good idea to copy.   Rather than trying to describe the mechanism (actually, I didn't see it close enough to do so - the cowl was on the airplane) I'll just wait to let you guys see for yourself; hopefully Bill will be able to make Tracy's flyin.  Oh, and this isn't a hanger queen; Bill has almost 300 hours in less than 2 years.

 

We also talked about how to hang a muffler without transmitting vibration into the airplane.  Well, after Bill left late Saturday afternoon I decided that the best way to do this is to again copy the idea of a manufacturer.  In this case, all manufacturers who build 2 strokes use springs to mount the pipe.  Go to your local motorcycle dealer and pick up 4 header pipe expansion chamber springs; mount these from each corner of the muffler to the airframe on a 45 degree angle.  Should work!

 

Ken Powell

 

 

 

 

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