|Sep 06, 2013, 08:13 AM|
First Pattern Plane
Just wanted to show my first pattern ship. Its a Troublemaker. The fuse is fiberglass and I think all the flying surfaces are foam, sheeted & glassed. Has Kraft wheels on fixed gear. It was never finished or flown. There are no pushrod exits. Has a few dings here & there, but looks pretty good. Anyone have a idea on the CG.
It also came with a new Webra Speed .61, new header & used pipe.
Heres a few cell pics
|Dec 01, 2013, 11:05 AM|
I see your Webra is one of the "early" models with out the drilled and tapped holes for a header mount. Not an issue though. CA the header to the engine and use the holes in the header as a guide to mark the engine. I say to CA the header so to locate it securely as you mark the holes. The hole on the back side of the header can be a bear to mark as it is hidden by the pipe.
Great find and good luck getting it in the air.
|Dec 01, 2013, 03:46 PM|
Many folks have Webra crankcases that need tapping... I have Speed 61's, 50's and 40's with the same issue. I'm not sure what Webra was thinking with strap-on mufflers alone.
The bolt separation is standard for these engines so any person with a drill press who can accurately bore the crankcases, please let yourself be known! They would then have to be tapped. I'm thinking that 4-40 SAE is the way to go.
Barring that, Mac's also provides strap-on type header for these engines.
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