Speedo drive gears and ratio calcs for tyres

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Re: Speedo drive gears and ratio calcs for tyres

Postby Aidan » 12 Dec 2017, 07:58

footstuck wrote:I think I am possibly getting valve bounce at £87 :wink:
Just need to know the current Rotational value to calc how much less than £87 I need to prevent braking free of orbit. I also require a Temporary' safe value of maximum velocity, I can face the music with my chosen planetary expert when I have the funds available.
FD= 616 with .07 4th n 2058516's
Calcs to explain it, would be a good run through demo if any would be prepared please.
No naysayers at the result please :tsk
I intend to stay quiet close to the tyre size given

Electronic TDI
Taste the rainbow

Ah but which worm gear have you ?
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Re: Speedo drive gears and ratio calcs for tyres

Postby footstuck » 12 Dec 2017, 12:38

I just got a PM From Aidan :ok cheers buddy
The answer was so simple :idea , 'Borrow your mates 16" Diesel Syncro dash With Tachometer and drive it up the road'

Its all about the 16''s Baby :D
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Re: Speedo drive gears and ratio calcs for tyres

Postby silverbullet » 09 Oct 2019, 12:40

For reference.ImageImage

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'85 syncro Caravelle twin slider, '90 SA Microbus project

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