RCU Forums - UCD thrust angle

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Flynow1

09-21-2003 03:05 PM

UCD thrust angle

How much washer thickness is required for 3 degrees or so?

jldecarlo

09-21-2003 03:36 PM

RE: UCD thrust angle

The answer is sin(3 degrees) x the distance between the mounting bolts.

For my UCD 60 the bolts are 1 7/8" apart and the thickness is .098".

Metric is easier 47.6 mm distance between bolts yields 2.5 mm thickness.

Sin(3 degrees) is 0.052335956.

Leonard

PS I haven't done trig in years, but I a pretty sure this is right.

rajul

09-22-2003 06:21 PM

RE: UCD thrust angle

I find that washers tend to crush into the ply firewall after some time. I use the thrust plate from Ernst. Available in 1, 2 or 3 deg and you can combine them for higher angles. Very light and distributes the stress on the firewall and mounting bolts uniformly.

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