One for the transmission experts......
07-01-2010, 09:06 PM
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I'm Finding My Feet Here Now
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One for the transmission experts......
Is there a formula for working out the diameter a propshaft needs to be in relation to its working length?
And what is the maximum angle you can run a hardy a typical hardy splicer at?
Pete
And what is the maximum angle you can run a hardy a typical hardy splicer at?
Pete
08-01-2010, 08:25 AM
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T/J=t/r=G0/L
Where:
T= The torque seen by the shaft
J= Polar moment of area
t= Sheer stress
r= Radius
G= Sheer Modulus
0= Degree of twist
L= Length of shaft.
If you fancy crunching numbers and you didnt know, J for a hollow shaft is ((Pi x OD^4)/32)-(pi x ID^4)/32)
Alternatively I have an excel spread sheet that will work it all out for you dependant upon material spec, shaft length, torque, and %ID to OD.
Where:
T= The torque seen by the shaft
J= Polar moment of area
t= Sheer stress
r= Radius
G= Sheer Modulus
0= Degree of twist
L= Length of shaft.
If you fancy crunching numbers and you didnt know, J for a hollow shaft is ((Pi x OD^4)/32)-(pi x ID^4)/32)
Alternatively I have an excel spread sheet that will work it all out for you dependant upon material spec, shaft length, torque, and %ID to OD.
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