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  #16 (permalink)  
Old 04-15-2010, 08:20 PM
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This is an Ultima frame 34deg, rake with a +4 DNA springer
Frame sits pretty level with the ground.





If you've got 40 deg rake I think a +4 is gonna be short....
But then it depends on how the frame is dimensioned and what look you want.
Anyway, I've put 1000 miles on my springer now, you can hear the springs jingle on some larger bumps and make sure to slow down for the bigger bumps or it jumps a little. Without a shock it feels like you go over the bumps three times as opposed to a hyd. front end that absorbs the bump.
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Old 04-16-2010, 12:49 AM
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I don't hear anyone talking about trail and rake. Is this not a concern with springers?
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  #18 (permalink)  
Old 04-16-2010, 03:13 AM
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Quote:
Originally Posted by Spartacus View Post
I don't hear anyone talking about trail and rake. Is this not a concern with springers?
it's very important. should find a trial calculator on the Internet some where . in the past I've built stainless rockers to a store bought springer to achieve proper trail. made them from plywood first , with trial and error then found the right length and made them up from stainless . time consuming although
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Old 04-16-2010, 02:02 PM
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bump...What are the rockers on a springer? Anyone else with any info?
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Old 04-16-2010, 02:10 PM
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The rockers are the brackets that connect the legs together on the bottom and the axle bolts thru them. Some manufacturers like SugarBear Springers, designs the trail into the rockers. You give him some basic dimensions and he finds the right trail and he builds the front end from that.
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Old 04-16-2010, 02:24 PM
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Ok guys...I'm learning,thanks. It doesn't seem that anyone here other than "pop" is mentioning trail or rake regarding springers.

Dragon is your frame sitting level at 4"? Your right, it doesn't seem like 4 over would be enough. They are telling me 4 over for a traditional front end. Would there be a difference with a springer?
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Old 04-16-2010, 03:08 PM
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bump.........
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Old 04-16-2010, 04:08 PM
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What do you want to know about rake and trail on the springers Spartacus???
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Old 04-16-2010, 04:29 PM
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Tod, I know a conventional front end has raked trees and the more rake in your neck basically the more rake you need in the trees to compensate and bring the trail back into line. I built a pro street with 42 in the neck and 7 in the trees. Handles great.
I want to build a chop with a springer now and just trying to get the correct info. the frame I'm looking at has a 40 degree rake in the neck and I'm being told I need a 4 over front with 5 degree rake. Now this is for a conventional front end, how does this equate to a springer.
Will 4 over in a springer be long enough?
Will I still need rake and if so how do I rake a springer?
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Old 04-16-2010, 04:49 PM
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your 5 degree rake i will be made up in the rockers your on the write track with this build but you need more info. check out choppers hand book(just google it) lots of info. also google springer rake and trail calculate. Ive had a shit lot of info on my computer before it crashed when i built mine store bought springers work great on bobbers but on a stretched and raked custom it may take more work
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  #26 (permalink)  
Old 04-16-2010, 05:12 PM
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check mine the frame is 4" out 2" up for a low profile the rake is 45 degrees . note the rockers. that would be the rake trees when i did mine i had the frame first then did a bunch of measurement when the rear tire was mounted and the frame was level. this springer is all hand built with no experience and i have proper trail and no tire flop
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  #27 (permalink)  
Old 04-16-2010, 06:21 PM
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Ok pop, it's making sense. You never see a springer advertised with rake though.
BTW...nice lookin scoot!
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Old 04-16-2010, 06:23 PM
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Spartacus....Check this out..http://www.jeris-springer.com/raketrail.html
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  #29 (permalink)  
Old 04-16-2010, 06:32 PM
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Razor, was just looking at that site. Some great info about rake and trail but doesn't tell you how to adjust it in a springer. Am I over anylizing this? Should I just get a 4 over DNA and be done with it.
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  #30 (permalink)  
Old 04-16-2010, 06:34 PM
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Quote:
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thats a good one thanks razor. will try to find a few more for ya
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