Which raises something I have wondered about for a long time .. in the design offices of AMC, Vincent, Enfield etc .. were they able to calculate the carb details, or did they guestimate it all, build the engine, and then on the test bed and road testing, work out the optimum sizes?
Pilot jets
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Taid
- Posts: 710
- Joined: Mon Oct 07, 2019 3:35 pm
- Location: Shropshire UK
Re: Pilot jets
Which raises something I have wondered about for a long time .. in the design offices of AMC, Vincent, Enfield etc .. were they able to calculate the carb details, or did they guestimate it all, build the engine, and then on the test bed and road testing, work out the optimum sizes?
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Now sold ... 1956 AJS 16MS Bitsa .. HSU 414 .. rebuilt/re-registered 1987
Now sold ... 1956 AJS 16MS Bitsa .. HSU 414 .. rebuilt/re-registered 1987
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Andy G
- Member
- Posts: 361
- Joined: Mon Jun 01, 2020 9:42 am
- Location: Aberdeenshire UK
Re: Pilot jets
Gotta be best guess to start with? Basic calculation based on swept volume and compression ratio, then test ride and adjust?
Bombling contentedly around rural Aberdeenshire
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Joker_Bones
- Member
- Posts: 545
- Joined: Sat Apr 27, 2013 3:51 pm
- Location: DORSET UK
Re: Pilot jets
I don't know of carburation specifically... a lot of design is an evolving process based on what went before, I bet there are many components on our classic bikes sized with never a calculation done 