Briggs ladies bike
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Briggs ladies bike
Postby harry76 » Mon Jul 18, 2011 3:03 am
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Re: Briggs ladies bike
Postby rkelsen » Mon Jul 18, 2011 11:30 am
How well do lawn mower engines work for this sort of thing? The carbies on them tend to be tuned towards "all or nothing" and (from experience) if you run them without the weight of the cutting arm and blades to govern their speed they will tend to over-rev themselves.
What will you use for a clutch?
Are you sure that a drum brake is adequate?
Isn't the rear wheel sprocket a bit small for an engine capable of 3,500 rpm?
Hopefully, you've already thought of all this.
Sorry to sound like a wet blanket.
Good luck with it.
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Re: Briggs ladies bike
Postby harry76 » Mon Jul 18, 2011 11:41 am
I have a centrifugal pulley clutch, i still need to build my jackshaft with belt primary and a secondary chaindrive. These clutches are to suit these briggs and other motors
Its a Sturmey Archer front hub which ive heard good reports about and the grubbee hd rear hub with band brake, thats meant to be crappy, if the brakes arent up to it i can buy a disc adaptor to replace the band which is meant to be real good but not very vintage looking
The rear sprocket will be fine with the jackshaft reduction.
And YES ive given this a lot of thought. I appreciate your concern though
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Re: Briggs ladies bike
Postby harry76 » Mon Jul 18, 2011 11:48 am
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Re: Briggs ladies bike
Postby rkelsen » Mon Jul 18, 2011 11:57 am
All the best!
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Re: Briggs ladies bike
Postby harry76 » Mon Jul 18, 2011 12:06 pm
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Re: Briggs ladies bike
Postby harry76 » Tue Aug 02, 2011 8:24 am
And i also cut up my shroud. I think its a big improvement in the looks department, looks more vintage, and id guess its better for blowing the air because its now guided rather then before hitting a corner section.
This is the thinnest steel ive tried welding with my welder, i didnt get it to where i was 100% happy because i blew a few holes in it. I just need to neaten it up a little but i had enough for today, so it can wait for now.
Before:
After:
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Re: Briggs ladies bike
Postby harry76 » Tue Aug 02, 2011 8:28 am
Just got a package in the mail (love that feeling)...
Amal throttle assembly... im not a fan of the standard plastic one.
Im happy with the quality, very solid, but they are massive, i think i will chop an inch off the barrell and grips
A comparison with a dual pull lever that i bought but didnt use (dang ugly imo)
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Re: Briggs ladies bike
Postby harry76 » Tue Aug 02, 2011 8:30 am
Now its up to Kelly whether she wants them silver or black (she wants them motor silver). I think black would look better. Silver can look cheap sometimes, well it does when i seem to do it lol.
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Re: Briggs ladies bike
Postby harry76 » Tue Aug 02, 2011 8:32 am
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Re: Briggs ladies bike
Postby harry76 » Tue Aug 02, 2011 8:34 am
I also fitted the seat, and although i love it, the other one seemed to suit the build better, i guess ill wait and see.... what do you guys think?
****Also i noticed the shroud moved in this pic, the shroud and fuel tank line up when bolted on.
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Re: Briggs ladies bike
Postby harry76 » Tue Aug 02, 2011 8:37 am
Well i havent had a chance to do much lately. But im currently on my last night shift before a 6 day break, in which i hope to get this build finished, or at least try. Its entered into Grezefest Sunday so we will see. And seeing its my last night shift im getting a few things done: Filler for petrol tank, oxy'ing cranks (cranks on the bike were borrowed form the Villiers build for reference, and i also made a cover for the clutch and jackshaft pulley. Just need to weld it up, ill hopefully get the tank and cover and jackshaft fitted tommorrow so i can start getting things painted in time to dry.....
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Re: Briggs ladies bike
Postby harry76 » Tue Aug 02, 2011 1:10 pm
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Re: Briggs ladies bike
Postby harry76 » Tue Aug 02, 2011 1:12 pm
*** OH YEAH i now realise i put my pedal sprocket on the wrong side for mockup but i was just so excited to see it mocked up, like being a kid at christmas, MAN this is a great hobby
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Re: Briggs ladies bike
Postby johnfelix » Wed Aug 03, 2011 6:48 pm
Love this thread
Impressive work
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Re: Briggs ladies bike
Postby harry76 » Thu Aug 04, 2011 4:53 pm
Well ive been hard at it with not much to show. Doing a lot of running around amongst other things. I did get my jackshaft mounted, picked up the 5/8 shaft for this and my pulleys for my Villiers (which i really wanna test ride but trying my hardest to get this ready for Sunday).
I put a slight bend in the toptube to allow room for the jackshaft. I got my muffler mounted, finished my fuel tank and lined it with a tank liner.
I just need to shorten my primary cover as i made it at work (before i went on a break) before i knew the exact length of the primary.
And if all goes well i will be painting tommorrow and hopefully dry by Saturday afternoon to assemble. Itll be some mirale if i can get this done..... ya never know.
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Re: Briggs ladies bike
Postby harry76 » Thu Aug 04, 2011 4:55 pm
I have one major drama. I organised a 10 tooth pulley for this bike from a mower shop. When i went and picked it up today they didnt have it but went looking around for me and thought they found one, it was just a little wide so i tried grinding its profile down but the pitch is still wrong. Its the one in the photo.
So im going to have to ring around tomorrow and hopefully someone has one in stock, or the one i have coming from the U.S turns up in the mail tommorrow, im having some bad luck lately..... maybe its that no.13 i put on my Whippet build???
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- Location: Brisbane
Re: Briggs ladies bike
Postby harry76 » Sun Aug 07, 2011 3:59 pm
- 18htan
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Re: Briggs ladies bike
Postby 18htan » Mon Aug 15, 2011 11:48 am
It really came up a treat! How does it ride? Any vids?
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