Harman

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krymis
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Re: Harman

Post by krymis »

man i really just forgot. have a lot of family stuff going on. with the daughters activities. Sorry guys. I will get them around as i put a stickit on the bike just a minute ago.
krymis
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SELF INTRODUCTION: Hey dan it chris (krymis) from the CBH board. thanks for opening this back up. hope to have a project to show the build here. BLAH BLAH BLAH BLAH BLAH and so on and so forth. The book of revolations and worlds ends and shit like that.....

Re: Harman

Post by krymis »

the OG harman springs were 14.5" long, .118" dia wire with 41 full coils and a ground flat coil on each end to make the full 42. They were topped of with a nylon bushing at the top and a metal weld in retainer at the bottom. they had 6* of rake built into the whole front end.
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railroad bob
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Re: Harman

Post by railroad bob »

krymis wrote:they had 6* of rake built into the whole front end.
Thanks for sharing this info, I'll never build one but it's very interesting anyway.

Learn something new everyday, didn't know forks could have rake built in. All I ever knew about was in the neck or trees.
How would someone be able to tell? If you know what to look for, can you tell just by looking, or do you measure the angle compared with the fork stem,
or some other way?
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krymis
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SELF INTRODUCTION: Hey dan it chris (krymis) from the CBH board. thanks for opening this back up. hope to have a project to show the build here. BLAH BLAH BLAH BLAH BLAH and so on and so forth. The book of revolations and worlds ends and shit like that.....

Re: Harman

Post by krymis »

the angle compared to the fork stem but also the webbing hole on the lower tree mount. You can see on the sporty, big twin, and jap bikes they are different. On top of that the new ones have a cam that makes that angle adjustable from 0*, 3*, AND 6*.
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railroad bob
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I just returned home from a 2 week trip in New Mexico, have a few good pix, can't wait to share my off-highway traveling. Got to put 1400 miles on the scoot.

Best, Bob Davidson
Location: Alaska

Re: Harman

Post by railroad bob »

Thanks...
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Re: Harman

Post by BIGJIM »

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rudog
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This

Post by rudog »

is a fascinating thread. If your looking for custom springs, the companies listed are good ones. There are few who aren't. I would look for someone small, local and hungry.

Krymis, what is the OD of the spring and ID of the tube?
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Re: Harman

Post by concrete guy »

krymis wrote:the OG harman springs were 14.5" long, .118" dia wire with 41 full coils and a ground flat coil on each end to make the full 42. They were topped of with a nylon bushing at the top and a metal weld in retainer at the bottom. they had 6* of rake built into the whole front end.

Thank You!
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Maxthegardener
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Re: Harman

Post by Maxthegardener »

Thankyou for that Chris, some food for thought....Found the site below full of contacts for spring help...


http://home.earthlink.net/~bazillion/resources.html
hose_dragger
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Re: Harman

Post by hose_dragger »

I had these wound for a spirder build I did a while ago....

9" long with finished ends
.135 wire
.375 ID to slip fit a 3/8" rod
OD is .650 this was so I could fit a 1" DOM tube with .120 wall

If I remember right the front end had a spring weight of 125 lbs (but mind is getting older and I may not be accurate on that)
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Maxthegardener
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SELF INTRODUCTION: Name is Max living in scotland ,and building my first bike, Which is derived from a buellM2 Cyclone..Started with an engine and a Drop seat frame wich was made to my spec by a more experienced builder. would like to learn more about the skills and techniques required to build a frame so I value being a member here...Cheers Max
Location: Angus, Scotland

Re: Harman

Post by Maxthegardener »

Love to see one of these put together....Great info

Eurobods....http://www.industrial-enclosures.com/ht ... lator.html
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Re: Harman

Post by hansgoudzwaard »

hose_dragger wrote:I had these wound for a spirder build I did a while ago....
Did it go on one of your bikes?
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Maxthegardener
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SELF INTRODUCTION: Name is Max living in scotland ,and building my first bike, Which is derived from a buellM2 Cyclone..Started with an engine and a Drop seat frame wich was made to my spec by a more experienced builder. would like to learn more about the skills and techniques required to build a frame so I value being a member here...Cheers Max
Location: Angus, Scotland

Re: Harman

Post by Maxthegardener »

;)
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