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----- Original Message ----- From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> To: "McClure, Rich" <[EMAIL PROTECTED]>; <[email protected]> Sent: Monday, February 28, 2005 9:38 AM Subject: Re: [COUPERS-FLYIN] bumps on cowling > Rich > > A couple of more questions, if you don't mind. > > 1. Are the shorter plugs readily available? > > 2. I heard that the shorter plugs may cause noise on the radios...is this > true? > > 3. Are the "Ercoupe Cups" readily available? > > 4. Where can I buy the "newer type screw-on harness" > > 5. Is there a shop you can recommend to do the machine work? > > 6. Is it true that the planes with the bumps are girls? > > Thanks. > Glen Davis CFII > Grumman Tiger N70GD > 1946 Ercoupe N3103H > |-----| > _________(*)_________ > o o o > > > ----- Original Message ----- > From: "McClure, Rich" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]>; <[email protected]> > Sent: Monday, February 28, 2005 8:37 AM > Subject: RE: [COUPERS-FLYIN] bumps on cowling > > >> >> >> Glen, >> This has to do with the use of a shorter spark plug on top of the >> cylinders. >> The newer, typical plug and ignition harness wire attaches directly out >> of >> the top of a longer spark plug (this can be used on the bottom plugs). >> But >> if this is used on the top spark plugs, then the bumps are required to >> provide clearance with the wire and the cowling. But with the use of >> shorter >> plugs and a Ercoupe cup, the newer type screw-on harness wires are >> installed >> at more of a right angle to the plug. This gives the needed clearance >> without the cowling bumps. I've attached a couple of pictures showing the >> original cup parts and the newer Ercoupe-cup parts that I used on my >> plane. >> The only negative to the cups is that they have to be machined to fit the >> standard thread used on the ignition harness wire. They come with a >> larger >> thread diameter. but this is easily done with a lathe and correct die. It >> sure looks a lot cleaner without the cowling bumps. >> Richard McClure (N94004) >> >> <<MVC-025S.JPG>> <<MVC-022S.JPG>> <<MVC-013S.JPG>> >> >> > ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers/
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