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I just cut a 1/4" x 1/4" x 0.025" square of aluminum for each side and glued them to the inboard sides of the window welt in line with the thumb screw. I used Pliobond glue. The window welt cushions the aluminum from the window, so no scratching occurs. Weight? Almost nothing. Syd Dr. R. B. wrote: > ----[Please read http://ercoupers.com/disclaimer.htm before following > any advice in this forum.]---- > > > If you have the thumbscrew but no tension plate, make a tension plate > as follows: > > Bend a piece of galvanized metal [rob a 2" piece from a heater duct] > so that it fits > around the canopy rail. Drill a hole in it. Bend it loosely double. > Push it on the canopy rail where the thumbscrew goes through [with the > thumbscrew removed]. The thumbscrew goes through the hole in your > piece, threads into the blind bolt, through the canopy rail, and > screws against the other side of your piece. When tightened, the > thumscrew pushes your piece against the plexiglas, hopefully holding > it in place. > > For your 337: the tension plate should weigh about 1/2 oz. If you're > anal enough to use stainless steel, add 6 oz. > > The hole is merely to permit the thumbscrew to retain the plate and > keep it from falling off each time you loosen it. > > If this doesn 't work, try cementing a piece of sandpaper to the side > of your plate that contacts the plexiglas. > > If that doesn't work, fly your bird with the canopy open; that's what > Ercoupe's are for, anyway. It was good enough for Alcock and Brown..... > > Dr. R. Beeman > > > > > ----- Original Message ----- From: "eagleavn" <[EMAIL PROTECTED]> > To: "Skyport Services" <[EMAIL PROTECTED]>; <[email protected]> > Sent: Tuesday, April 26, 2005 8:20 PM > Subject: RE: [COUPERS-FLYIN] Canopy closed > > >> ----[Please read http://ercoupers.com/disclaimer.htm before following >> any advice in this forum.]---- >> >> >> Thanks to everyone for the assistance. >> LP >> >> -----Original Message----- >> From: Skyport Services [mailto:[EMAIL PROTECTED] >> Sent: Tuesday, April 26, 2005 5:36 PM >> To: [email protected] >> Subject: Re: [COUPERS-FLYIN] Canopy closed >> >> >> ----[Please read http://ercoupers.com/disclaimer.htm before following >> any >> advice in this forum.]---- >> >> >> At 06:27 PM 4/26/2005, you wrote: >> >>> They can be replaced by placing a blind nut in the same position as the >>> original, and then making a screw that will work. >> >> >> Skyport has the thumb screw and the nut. We do not have the tension >> plate, >> nor does Univair. I have been unsuccessful to date to even locate a >> used >> one to make a pattern from. (Anyone got one?) We do have a sketch >> showing >> how it fits into the picture, though. Without the tension plate the >> screw >> will make short work of the window. >> >> >> John Cooper >> Skyport Services >> PO Box 249 >> 4996 Delaware Tnpk >> Rensselaerville, NY 12147 >> 518 797-3064 >> >> ========================================================================== == >> >> == >> To leave this forum go to: http://ercoupers.com/lists.htm >> Search the archives on http://escribe.com/aviation/coupers/ >> >> >> >> >> >> ========================================================================== ==== >> >> To leave this forum go to: http://ercoupers.com/lists.htm >> Search the archives on http://escribe.com/aviation/coupers/ >> >> >> >> > > ========================================================================== ==== > > To leave this forum go to: http://ercoupers.com/lists.htm > Search the archives on http://escribe.com/aviation/coupers/ > > > > ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers/
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