SuzukiSavage.com - Beer budget board tracker

ohiomoto Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 2825	Re: Beer budget board tracker Reply #180 - 11/30/17 at 20:33:38 It's always stiff when it's sitting still. Mount the motor, put you ass in the saddle and put in motion! Ha, ha. I'm sure it will have some compliance, but it's still a hardtail. The decreased approach angle of those big wheels and the long, curvy rear end will surely take the edge off of things.
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sandmanred Senior Member Offline SuzukiSavage.com Rocks! Posts: 284	Re: Beer budget board tracker Reply #181 - 12/01/17 at 19:58:31 Fitting cross-members on wishbones. Only tacked until chain, sprockets and motor are fit. Waiting delivery of chain and sprockets.
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smokin_blue Serious Thumper Offline From Cafes to Streetfighters! I build them all! Posts: 830 St. Paul, MN Gender:	Re: Beer budget board tracker Reply #182 - 12/02/17 at 09:11:05 What are you using to cope your joints so nicely?
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Re: Beer budget board tracker
Reply #183 - 12/02/17 at 13:56:59

smokin_blue wrote on 12/02/17 at 09:11:05:

What are you using to cope your joints so nicely?

Normally a hole saw on an HF tubing notcher. In the case of the pic above the geometry doesn't let me fit in the notcher so I had to scribe, grind, repeat until I got fit. Its a right angle grinder and I usually use a depressed center grinding wheel for coping. These ones were a little tricky as there is a center line to the part that needs to land on the center line of the bike and there is fit required on both ends so I just kept nibbling away until I got what I wanted. And the kicker is the upper cross probably needs to move forward to clear the chain so I get to do it again Wink

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sandmanred

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Re: Beer budget board tracker
Reply #184 - 12/03/17 at 19:24:57

Started on the seat while I was waiting on sprockets and chain. This frame will be slung with a wet formed heavy leather riveted to the flats on the front and back of the seat frame, old style bicycle seat construction. We'll see how it goes. Last bike took me 5 tries to get a seat I liked...

Air shock for suspension to angle from roughly the center of the bottom seat tube to the vertical piece in front of it.

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sandmanred

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Re: Beer budget board tracker
Reply #185 - 12/05/17 at 19:29:18

Let's call this a rough draft of the seat. Used duct tape to make a temporary sling. Fits my bum pretty good just no room for the leather to stretch at all or my tail bone hits the support frame. Need to re-do the seat support frame to allow for some stretch and maybe lower the back edge of the seat just a tad. I'm going let this rest for bit and go on to fitting the sprockets and chain.

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sandmanred Senior Member Offline SuzukiSavage.com Rocks! Posts: 284	Re: Beer budget board tracker Reply #186 - 12/06/17 at 19:41:12 Engine fits
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JLC Senior Member Offline SuzukiSavage.com Rocks! Posts: 262 Black Forest, Colorado Gender:	Re: Beer budget board tracker Reply #187 - 12/06/17 at 20:31:35 Very cool!
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ohiomoto Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 2825	Re: Beer budget board tracker Reply #188 - 12/13/17 at 19:40:40 Been a week without pics. That's like a year without Santa!!
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sandmanred Senior Member Offline SuzukiSavage.com Rocks! Posts: 284	Re: Beer budget board tracker Reply #189 - 12/13/17 at 20:10:01 ohiomoto wrote on 12/13/17 at 19:40:40: Been a week without pics. That's like a year without Santa!! Here you go! Chain fitting. Close but I want to think OK. It's got to go about 1 1/4 inches to slap any frame members.
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Ruttly Serious Thumper Offline Thumpers Rule Posts: 5401 Manteca , CA Gender:	Re: Beer budget board tracker Reply #190 - 12/13/17 at 20:13:47 That's a lot of chain ! Gonna use a tensioner ? That bike is gonna turn some heads and your gonna get a million questions whenever you stop somewhere.
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sandmanred

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Re: Beer budget board tracker
Reply #191 - 12/14/17 at 03:42:49

Ruttly wrote on 12/13/17 at 20:13:47:

That's a lot of chain ! Gonna use a tensioner ?

That bike is gonna turn some heads and your gonna get a million questions whenever you stop somewhere. Cool

144 links

I think I'll start without a tensioner and see how it runs in shake down. If I need one I can mount it to the bottom cross member.

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Gary_in_NJ Serious Thumper Offline LS650 Cafe Racer Posts: 2642 Amongst the Twisty Roads	Re: Beer budget board tracker Reply #192 - 12/14/17 at 05:14:43 Under load the top side of the chain will be tight but the bottom will sag a bit. If it sags 1-1/4" your chain is too lose anyway. A tensioner will add to its mechanical mayhem look, but detract from its simplicity. Figgin' looks great.
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Re: Beer budget board tracker
Reply #193 - 12/14/17 at 05:36:30

Those clearances between the chain and frame look a little tight - I do believe you are going to need to use guides.....and/or a tensioner. I believe that most builders don't put guides/tensioners on because they look cool - they put them on because they are necessary!

This is a bit of an extreme video - but it does show how a chain flops around. During the acceleration the top is tight and the bottom is loose - then as the bike is slowing down the bottom becomes tight and the top becomes loose.

https://www.youtube.com/watch?v=u6ZsWwQ072E

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Gary_in_NJ Serious Thumper Offline LS650 Cafe Racer Posts: 2642 Amongst the Twisty Roads	Re: Beer budget board tracker Reply #194 - 12/14/17 at 06:15:38 Great video. You can see with every gear change how the tension changes. Yeah, maybe a guide such that is used on an MX bike. They are typically UHMW plastic sandwiched between a metal (aluminum) structure. I'm sure you could weld up something cool to hold some UHMW.
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