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Old Sep 16, 2013, 03:58 PM
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United Kingdom, Walsall
Joined Mar 2013
562 Posts
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ARX 540 spur/ pinion gear pitch.

Anybody know what pitch the spur and pinion gears are on an ARX?

Cheers.
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Old Sep 16, 2013, 04:11 PM
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United Kingdom, Walsall
Joined Mar 2013
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Think I've found my answer.
MOD1?
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Old Sep 16, 2013, 06:29 PM
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Espa˝a, CL, ┴vila
Joined Sep 2008
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A tip for you to check the spur module.

Measure outer diameter of the 56T spur....

For mod1 it should be 58mm (1mm per teeth plus another 2mm because the difference between pitch diameter and outer one is two full teeth)

In case that you have a 32DP or 0.8mm mod spur, outer diameter can be calculated same way than above but multiplying teeth number plus 2 by 0.8...

So 58 x 0.8mm = 46.4mm outer dia (pitch dia at 44.8mm).

Hope this helps.

Cesar.
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