briggs twins
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briggs twins
by the engineer Fri Oct 30 2020, 07:35
hi these are two briggs and stratton twins i made around 15 years ago great fun to hear running and reliable
red one is the 1st one i did using tecumseh carbs
grey one is a honda motorcycle carb both will run happily under load at around 5000 rpm and still run now
i had a lot of fun doing these and have since made a tecumseh tripple
regards john
https://i.servimg.com/u/f34/20/27/47/58/red_br11.jpg
red one is the 1st one i did using tecumseh carbs
grey one is a honda motorcycle carb both will run happily under load at around 5000 rpm and still run now
i had a lot of fun doing these and have since made a tecumseh tripple
regards john
https://i.servimg.com/u/f34/20/27/47/58/red_br11.jpg
Last edited by the engineer on Fri Oct 30 2020, 07:45; edited 1 time in total (Reason for editing : first post and fun with getting photos right)
the engineer- Born to be wild
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Re: briggs twins
by Woodsman Fri Oct 30 2020, 10:02
Nice to see you back John.
I've always fancied marrying two Villiers as a vee or boxer but my engineering skills are almost nil in the machine shop.
I've always fancied marrying two Villiers as a vee or boxer but my engineering skills are almost nil in the machine shop.
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Regards Paul
Tha can alus tell a Yorkshireman - but tha can't tell him much.
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Re: briggs twins
by the engineer Fri Oct 30 2020, 10:21
yep got lost when i got a new computer trying to find every thing again
the engineer- Born to be wild
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Re: briggs twins
by oldgit Fri Oct 30 2020, 19:34
They look good.
How are the cranks phased on the twins; is it:- both pistons at tdc, at the same time, or, one at tdc whilst the other is at bdc?
How are the cranks phased on the twins; is it:- both pistons at tdc, at the same time, or, one at tdc whilst the other is at bdc?
oldgit- A true Stationary engine owner
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Re: briggs twins
by the engineer Fri Oct 30 2020, 20:41
they are both parallel i did one at 180 and had to go twin carb to get a stable idle on both cyls
with single carb it always had one weak cyl at idle due to valve overlap robbing manifold vacume
with single carb it always had one weak cyl at idle due to valve overlap robbing manifold vacume
the engineer- Born to be wild
- Posts : 14
Join date : 2016-09-07
Age : 67
Location : new zealand
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