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Old 09-15-2010, 08:03 PM   #76
danedg
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Old 09-15-2010, 09:54 PM   #77
Bar None
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Quote:
Originally Posted by isdt BMW
The rpm range of a Gravely motor would do well with a belt drive motor.
I remember those Gravely sickle bar mowers. They were a bitch to start with a leather belt that you wrapped around the starter pulley. Many a time I whipped myself with that belt trying to start that bitch. Backed into a few trees trying to man handle that beast when I was a kid.
Think I'd modify the OP's choice of motor to make it look kinda look old.

BTW, Irutt, you got the MBS real bad,bad.
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Old 09-16-2010, 08:21 AM   #78
NJjeff
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Rebulider

HELP! fix it.

Rebuilder your pictures are not coming through.
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Old 09-16-2010, 08:46 AM   #79
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Quote:
Originally Posted by NJjeff
HELP! fix it.

Rebuilder your pictures are not coming through.
Crap. Should be back up soon.
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Old 09-16-2010, 01:11 PM   #80
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...if I'm sending repeats... tough!
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Old 09-16-2010, 02:54 PM   #81
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Quote:
Originally Posted by Rebuilder
I've thought about that but the original didn't have anything (visible anyway). I have notice during mock up that since there are no holes in the lower tubes, and it's such a precise fit, the trapped air sort of works as and air dampener. Add grease to further seal it and I may not need anything else. Or it may just not work at all.
Not sure where you're at with this but I have a bunch of Rock Shox (bicycle) fork springs laying around. OD on them is about 21-22mm ..... might work for a bottom out spring if nothing else? Let me know if you want them.

Excellent build
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Old 09-16-2010, 04:46 PM   #82
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Quote:
Originally Posted by fleshpiston
Not sure where you're at with this but I have a bunch of Rock Shox (bicycle) fork springs laying around. OD on them is about 21-22mm ..... might work for a bottom out spring if nothing else? Let me know if you want them.

Excellent build
Thank you. I got the spring thing figured out, I just don't have anything for rebound dampening. I'll wait to see how it rides before worrying about it.

Rebuilder screwed with this post 09-16-2010 at 06:42 PM
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Old 09-16-2010, 04:48 PM   #83
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Quote:
Originally Posted by Rebuilder
Thank you. I got the spring thing figured out, I just don't have anything for rebound dampening. I'll wait to see how it ride before worrying about it.
Friction?
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Old 09-16-2010, 05:04 PM   #84
Bar None
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Quote:
Originally Posted by MZRider
Like anything old, you just have to know how they want to be started. With my '64 L, it's half throttle, full choke and one pull - starts right up.
I think our Gravely was probably a 1950's model.

Anyway this thread is about Rebuilder's build and not Gravelys.
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Old 09-16-2010, 06:51 PM   #85
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Quote:
Originally Posted by P B G
Friction?
I'm hoping friction will work... Uh, I mean my calculations show that the friction produced will be sufficient.
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Old 09-16-2010, 07:45 PM   #86
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The last couple of nights I've been working on getting the motor mounted. Turned out to be quite a job.

First I had to notch the motor to fit around the frame. I wanted to set it as low as possible so the frame would curve tightly around the bottom.



Just like in the stock frame I had to make one side of the upper mounts removable so I can get the motor in and out.



I probably won't punish myself with flat heads here, but I'll use them for now.



The other side.







Now to set the motor and make the other mounts





This will be the pretty side of the bike (Only meaning the kickstand will be on the other side). I plan on making my own stator cover to look more the part of an old motor. It'll be hard to disguise this thing though. I'm hoping the bright orange paint and shiny things will be take the attention away from the motor.



This side looks really Japanese and will be harder to disguise.



The other mounts getting ready.



Front L side. Ugly weld so I ground it down. Guess I'll smooth them all now.



R side.



Gusset









Bottom rear.





Bottom front.



Best work stand ever. I used that to work on my BMX bikes when I was a kid.



Nice fit if I do say so myself.





I'm not sure what's next. It may be a few day before the next post. All the big stuff is done. Maybe I'll finish the wheels.
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Old 09-16-2010, 08:19 PM   #87
crazydrummerdude
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Bloody brilliant. I love it.
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Old 09-16-2010, 09:00 PM   #88
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Thought you said you couldn't weld? Rear motor mount welds look good to me.
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Old 09-16-2010, 11:22 PM   #89
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looks great doode! i can hardly wait to see the finished bike.
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Old 09-17-2010, 09:38 AM   #90
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Further inspiration, in case you didn't see it. Blatently stolen from the Cannonball Run thread:

Quote:
Originally Posted by dlrides
A board tracker replica, built by a guy in Raleigh NC






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