Ah, yes.CamKing wrote: ↑Sat Jan 15, 2022 1:57 pmOther way around.hoffman900 wrote: ↑Sat Jan 15, 2022 12:31 pm I forgot you had mentioned the rollers are really just LARGE diameter flat tappets design wise.
From the design standpoint
A flat tappet profile is just a roller profile with a 56" radius roller.
Cam design basics ?
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Re: Cam design basics ?
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Re: Cam design basics ?
It was all from Japan.hoffman900 wrote: ↑Fri Jan 14, 2022 11:06 pmJon was that all HPD design or were you guys being fed stuff from Japan? Obviously it was fixed for ‘95.SchmidtMotorWorks wrote: ↑Fri Jan 14, 2022 9:51 pmYep, I worked on that engine.
It was a real drain to moral for the project.
One of my tasks there was fitting plated aluminum sleeves to those blocks, (nicest turning equipment I ever used, you could dial off a cut and the Voest Lathe would cut within 0.00005 reliably.)
They were desperate to solve a crankshaft bearing problem, they thought maybe if the block was more rigid, the problem would be mitigated (it wasn't).
It was a counterweight, materials, surface hardening and surface roughness problem.
They had aluminum blocks too.
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