Originally posted by mr_matt
Well I tried to measure the mounts, but it is difficult, as the shape of the mount is somewhat affected by whether the motor is bolted into or not.
As best I can tell, the dimensions of the bolt pattern are
6 5/32 X 2 3/32 inches. The longer dimension is across the turbine, in other words parallel to the wingspan.
This is very rough and will likely require slotting of the holes, so be forewarned!
Okay - the brown toy truck just delivered my engine - so here's my measurements. The measurements were taken in millimeters, so they are more accurate that the imperial equivalents which are close approximations.
Where Matt gets 6 5/32", I get:
Rear : 155mm = approx 6 3/32"
Front: 154mm = approx 6 1/16"
Where Matt gets 2 3/32", I get
54mm = approx 2 1/8"
This was with the clamp fully tightened around the case, and the measurements were taken with two different calipers just to double-check on the meausrement.
The above measurements differ form Matt's "rough" measurments by only a millimeter or two, so no big deal there - as Matt says. you can always slot the aluminum engine mount very slightly to account for minor tolerance variations.
Later,
Gordon