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shilcom
Joined: 28 Sep 2007 Posts: 63
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Posted: Sat Oct 13, 2007 7:57 am Post subject: motor mount dimension for corvair on XL |
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Could anybody give me a dimension from either the prop hub flange or either motor mount hole to the TOP Firewall mount. I have the motor here and can get the following dimensions but it anyone already has them the "height of the Crankshaft centerline" above the bed mount vertically and the distance from the prop hub horizoontallty to the front motor mount hole in the bed mount. I'll want to be sure the fiberglass nosebowl and cowling kit will fit. Is it a good assumption that the cowling kit will have a few inches of metal to trim so that there is a little wiggle room for that fit, but what seems more important is that the motor be in the correct "front to back" position for the correct CG on the XL
Blue Skies
Bob Unternaehrer
shilocom(at)mcmsys.com (shilocom(at)mcmsys.com)
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shilcom
Joined: 28 Sep 2007 Posts: 63
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Posted: Sat Oct 13, 2007 8:40 am Post subject: motor mount dimension for corvair on XL |
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<<<Could anybody give me a dimension from either the prop hub flange or either motor mount hole to the TOP Firewall mount>>
I wasn't clear that the dimension I need is the "horizontal" dimension. bob U.
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601zv(at)ritternet.com Guest
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Posted: Sat Oct 13, 2007 11:02 am Post subject: motor mount dimension for corvair on XL |
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On mine, using the WW XL mount, the crankshaft center line is 6" above the top of the bed mount.
The front of the black WW prop hub to the center of the fromt mount hole is 8-3/32".
From the center of the front mount hole horizontally to the firewall at the top motor mounts is 25" (actually 25" to the front face of the flange of the Forward Top Stiffener (6B7-1) at the rivet line, with the rivet line being in line with the top motor mount centers).
The rear mount holes of the bed are horizontally 14-5/8" from the face of the firewall at the top of the mount spool washers that are welded on top of the bed rails. I believe this later measurement is the one WW recommends for proper fore/aft engine placement, but I forget what exactly he says that dimension should be (I'm thinking 14-1/2"??).
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