ORIGINAL: speedracerntrixie
ORIGINAL: Ed Smith
If adding side thrust after the airplane is complete then the prop is no longer on the model C/L and the spinner backplate is misaligned with the nose ring.
Ed S
Gee guys maybe some reserch should have been done here........................The Miles Reed Extra 260 dosen't have a nose ring!! Even so, I gave the OP dimentions to adjust the position of this engine so that his prop hub would be centered in the cowl and have the correct about of thrust offsets.
Hi speedracerntrixie,
I wish to thank you for researching and getting the facts.
The gap change due to a two (2) degree thrust offset is negligeable.
The sine of 2 degrees being 0.03489950
The sine of 0 degrees being 0.00000000
The gap difference on6 (six) inches firewall to prop would be 0.00365504 inch
.Less than four thousands of an inch (undetectable by eye)
On a 6 (six) inch firewall to prop distance thesideways motion would be 0.20939698 inch
Less than 1/4 inch. Actually 1/5 of an inch .
You were just about dead onwith your figures.
Any difference from the 6 (six) inches used here is proportional ___ In example a 9" firewall to prop would be 1 1/2 (one and half) time the above values.
Regards from Zor