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ABC Sopwith Steering Geometry
- Paul
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3 years 8 months ago #1113
by Paul
ABC Sopwith Steering Geometry was created by Paul
I think it is generally agreed that the slow-speed steering of a Sopwith is, to put it mildly, wobbly. Above about 20 mph, it steadies up somewhat.
I've measured up the essential geometry of the front end, and here are the figures:-
Rake 53*
Trail 6.4"
(Wheelbase: 56.5")
Consultation with 'Irving's Bible' seems to explain quite a lot.
Recommended rake: 60* - 65*
Recommended trail: about 3"
So, it looks as though some sharpening of our steering head angles could be called for!
(Surely, we aren't all suffering from droopingheaditis?)
I've measured up the essential geometry of the front end, and here are the figures:-
Rake 53*
Trail 6.4"
(Wheelbase: 56.5")
Consultation with 'Irving's Bible' seems to explain quite a lot.
Recommended rake: 60* - 65*
Recommended trail: about 3"
So, it looks as though some sharpening of our steering head angles could be called for!
(Surely, we aren't all suffering from droopingheaditis?)
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- keithsams
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3 years 8 months ago #1114
by keithsams
Replied by keithsams on topic ABC Sopwith Steering Geometry
makes a good bareknuckle ride paul
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