Update report on my Taube.
After trying to fly it in the wind Saturday at the NATS with a problem engine I (it) made a three point landing, two mains and the prop. It was going so slow that the main damage was the broken SIG glass filled motor mounts. I ordered two sets from SIG. They broke right at the rear motor mounting bolts probably saving the engine and the airframe. The balsa above and below the engine needs replacing. (in process) and the new motor mounts are drilled. I received an engine from Jim Fruit, a NIB OS FS91 S with an OS metal motor mount. Thanks Jim!! The OS mount is all metal, and pretty but if it had been in the Taube it might have torn the firewall loose. (Major repair)
The power problem on the original engine, an OS FS91 SII-P has been solved. A loose crankcase breather nipple! Last test run showed 9,100 RPM on an APC 14 x 6 prop. That should give me over 150 ounces of thrust. That should be sufficient to pull through the wind.
Clancy