What is a crank pin made out of???
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Enthusiast
2003 Derbi bullet 2 stroke
Joined: 09 Jul 2018
Posts: 81
Location: Texas
Thu Dec 27, 2018 10:23 pm quote
Need to get a custom one made so what should it be ? Was thinking titanium but I read it is expensive and wears fast so that's out of the question.
Member
P 200E P125X
Joined: 14 Nov 2017
Posts: 36
Location: Hendersonville,NC USA
Fri Dec 28, 2018 3:52 am quote
I would guess a tool steel alloy that would be case hardened and ground to the correct diameter.
Veni, Vidi, Posti
74 Super, 75 Super, PX project, LML off-roader and new to 2018, '66 Blue Badge Smallframe
Joined: 30 Nov 2011
Posts: 6677
Location: Victoria, Australia
Fri Dec 28, 2018 4:41 pm quote
https://worb5.com/EN/crankshaft-connecting-rod-racing-crankshaft-connecting-rod-heave-dynamic-laser-vespa-lambretta.html
Worb5 wrote:
Customized eccentric crank pins
It is possible to start eccentric crank pins for different crankshafts. For this purpose, the crankshaft must be disassembled, the crankpin dimensions determined and calculated. A production drawing is created. The crank pins are pre-machined from an insert steel, then surface-hardened and finally ground.
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