panhead wishbone frame rake? 30 degree? (re Offset springer) - The Jockey Journal Board

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Old 08-04-2010, 01:58 PM   #1
Luke Nosewalker
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Default panhead wishbone frame rake? 30 degree? (re Offset springer)

I have a 49 possibly 50 wishbone frame uncut. Im trying to decide whether to go with a stock length inline springer or offset. So my question is did the 48-mid 54 frames had a 30 degree rake? If so I guess I should stick with an offset springer right? Running 16" tires.

Going to be more of a resto-mod. Trying to go as period correct as my wallet and will allow but some sacrifices will be made.

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Old 08-04-2010, 02:17 PM   #2
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Default Re: panhead wishbone frame rake? 30 degree?

Yeah Pan wishbone would have been 30 degrees, earlier knuckle frames were 28 degrees if I am not mistaken.

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Old 08-04-2010, 02:28 PM   #3
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Default Re: panhead wishbone frame rake? 30 degree?

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Originally Posted by Luke Nosewalker View Post

whether to go with a stock length inline springer or offset.

So my question is did the 48-mid 54 frames had a 30 degree rake?
The offset fork (which actually was "deraked") was made for the '46-'47 Knuckle "Bullneck" frames, cause they were 30 degrees. In the early '40s the frames were 28 then 29 degrees.

This from Bruce Palmer's book (full of Chris Haynes' pics).
Incredibly they dont say what degree rake frames were after '47.

I always understood, they went back to either 29 or 28* (cant remember) with the new wishbone of '48, & thus made the inline springer to suit, that same year.


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Old 08-04-2010, 02:31 PM   #4
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Default Re: panhead wishbone frame rake? 30 degree?

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Originally Posted by Dragon View Post
The offset fork (which actually was "deraked") was made for the '46-'47 Knuckle "Bullneck" frames, cause they were 30 degrees. In the early '40s the frames were 28 then 29 degrees.

This from Bruce Palmer's book (full of Chris Haynes' pics).
Incredibly they dont say what degree rake frames were after '47.

I always understood, they went back to either 29 or 28* (cant remember) with the new wishbone of '48, & thus made the inline springer to suit, that same year.


.
Thanks Dragon. Thats what I needed. Yeah I was just referencing haynes book but I didn't see the rake listed for the 48^ frames. I think youre right though I think its 28 degrees.
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Old 08-04-2010, 04:23 PM   #5
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Default Re: panhead wishbone frame rake? 30 degree?

I'm looking at a factory blueprint for wishbone frames and the rake is listed as 30 7'. The rake is the same as the late Knucks and the offset springer was also used in '48.

You could use either offset or inline. Many, not all, of the 30 Panhead frames you see have inline springers.
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Old 08-04-2010, 05:49 PM   #6
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Default Re: panhead wishbone frame rake? 30 degree?

Quote:
Originally Posted by Dragon View Post
The offset fork (which actually was "deraked") was made for the '46-'47 Knuckle "Bullneck" frames, cause they were 30 degrees. In the early '40s the frames were 28 then 29 degrees.

This from Bruce Palmer's book (full of Chris Haynes' pics).
Incredibly they dont say what degree rake frames were after '47.

I always understood, they went back to either 29 or 28* (cant remember) with the new wishbone of '48, & thus made the inline springer to suit, that same year.


.
they went back to 29 degrees

i made a studie out of that ,because all my frames are 29.5 (as some kind of DSK signature )
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Old 08-04-2010, 05:57 PM   #7
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Default Re: panhead wishbone frame rake? 30 degree?

I'm with HD48FL on this one. '48 big twin frames were 30 degree rake. The reason they "deraked" the off set springer was partly due to the fact that they added a small amount of rake to the frame. I see in line springers on wishbone frames all the time, it kicks the front end out a tiny bit but not enough to drop the front end of the frame down by any means and its a great looking fork/frame combination.
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Old 08-04-2010, 06:49 PM   #8
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Default Re: panhead wishbone frame rake? 30 degree?

According to Palmer's book, offset springers were used on late 46-48 Big Twin frames.
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Old 08-04-2010, 07:11 PM   #9
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Default Re: panhead wishbone frame rake? 30 degree?

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Originally Posted by bigwagon View Post
According to Palmer's book, offset springers were used on late 46-48 Big Twin frames.
Correct, on the 30 frames, Knuck and Pan.

'48 offset springers had a hole in the neck for the Panhead neck lock.
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Old 08-04-2010, 08:31 PM   #10
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Default Re: panhead wishbone frame rake? 30 degree?

although it doesnt answer the OP's question, this is just for clarification if someone finds this thread later while searching. I got a knuck frame so I stopped looking after that.
36-40 28 dgrees.
41-mid46 29 degrees,
mid 46- mid 47 bullneck 30 degrees.
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Old 08-04-2010, 08:52 PM   #11
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Default Re: panhead wishbone frame rake? 30 degree?

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Originally Posted by bigwagon View Post
According to Palmer's book, offset springers were used on late 46-48 Big Twin frames.
48 was the first year wishbone and last year with a springer correct?
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Old 08-04-2010, 09:09 PM   #12
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Default Re: panhead wishbone frame rake? 30 degree?

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48 was the first year wishbone and last year with a springer correct?

correct
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Old 08-04-2010, 10:17 PM   #13
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Default Re: panhead wishbone frame rake? 30 degree?

Just out of curiosity then... Why werent the hydraglide front ends on the 30 degree raked frames offset?
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Old 08-05-2010, 01:58 AM   #14
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Default Re: panhead wishbone frame rake? 30 degree?

here's an old thread along the same lines.

http://www.jockeyjournal.com/forum/s...ad.php?t=40391
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Old 08-05-2010, 08:04 AM   #15
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Default Re: panhead wishbone frame rake? 30 degree?

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Originally Posted by Luke Nosewalker View Post
48 was the first year wishbone and last year with a springer correct?
Correct, except for the '49 side car equipped Pans. Those came with the offset springer.
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Old 08-05-2010, 08:13 AM   #16
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Default Re: panhead wishbone frame rake? 30 degree?

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Originally Posted by HD48FL View Post
Correct, on the 30 frames, Knuck and Pan.

'48 offset springers had a hole in the neck for the Panhead neck lock.
My post may have been a little confusing? ^when I said correct for 30 frame, Knuck and Pan, I meant to say the late '46 through '48 frames, as that's what was posted about the offset springer.

Quote:
Originally Posted by Richharr View Post
although it doesnt answer the OP's question, this is just for clarification if someone finds this thread later while searching. I got a knuck frame so I stopped looking after that.
36-40 28 dgrees.
41-mid46 29 degrees,
mid 46- mid 47 bullneck 30 degrees.
Yep, good to have it here.
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Old 08-05-2010, 08:33 PM   #17
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Default Re: panhead wishbone frame rake? 30 degree?

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Originally Posted by HD48FL View Post
Correct, on the 30 frames, Knuck and Pan.

'48 offset springers had a hole in the neck for the Panhead neck lock.
It was my understanding that no knuck frames had a keyhole, can anybody give a definite? I only found reference to this in "What Fits What"
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Old 08-05-2010, 11:03 PM   #18
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Default Re: panhead wishbone frame rake? 30 degree?

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It was my understanding that no knuck frames had a keyhole, can anybody give a definite? I only found reference to this in "What Fits What"
Yep NO key hole.
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Old 08-06-2010, 08:05 AM   #19
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Default Re: panhead wishbone frame rake? 30 degree?

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Originally Posted by Richharr View Post
It was my understanding that no knuck frames had a keyhole, can anybody give a definite? I only found reference to this in "What Fits What"
Correct, no Knuck frames had neck locks. '48 (Pan) is the first year for the neck lock, that's what I was saying about the differences in '46 - '48 offset springers, the '48's had a hole in the neck for the lock.
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Old 09-06-2010, 06:30 AM   #20
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Default I need some schooling - springers

Hi guys hope this hasn't been covered in a thread before and realise its probably a bit of a daft question but can someone please explain the difference between in line and offset springers for me, some pics would be great as sometimes Im a picture kinda guy. Thanks.
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