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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  is there a 1/2" to 9/16" pedal spindle adapter?
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Author Topic: is there a 1/2" to 9/16" pedal spindle adapter?  (Read 9445 times)

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Offline OrgasmDonor

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is there a 1/2" to 9/16" pedal spindle adapter?
« on: July 10, 2008, 05:31 PM »
if not why not? it would make loadsa peds more desirable and it must be do-able, ;)

Offline Bigfrawg

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #1 on: July 10, 2008, 05:35 PM »

i dont think you could do it,surely the tolerances are too slight. 1/2" is too close to 9/16" the thickness on the wall of the bush (thats what they are called) would be too thin to thread on the inside and the outside. :-\

jackel

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #2 on: July 10, 2008, 05:37 PM »

i dont think you could do it,surely the tolerances are too slight. 1/2" is too close to 9/16" the thickness on the wall of the bush (thats what they are called) would be too thin to thread on the inside and the outside. :-\
hmmm wonder if its possible with a helicoil anyone tried?

Offline double chevron

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #3 on: July 10, 2008, 05:40 PM »
I know of someone who could answer electrical tape....  ;)

Offline OrgasmDonor

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #4 on: July 10, 2008, 05:43 PM »
i imagine a helicoil would work, but would it stand up to a jolly good thrashing?

Offline Bigfrawg

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #5 on: July 10, 2008, 05:47 PM »

aren't helicoils made of brass? if so me thinks they maybe to weak. ( wouldn't take the weight of my fat arse anyhoo!! )

Offline adenough

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #6 on: July 10, 2008, 06:02 PM »
it could be done by replacing the spindles :daumenhoch:

Trev

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #7 on: July 10, 2008, 06:07 PM »
1/16" difference.... i'd say too small to make anything strong enough. but what the fook do i know....

buzzlightyear05

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #8 on: July 10, 2008, 06:27 PM »
Great idea but as a machinist i can safley say you cant do it. The pitch and depths of thread would clash giving weak spots no more than 0.2mm thick. as for a helicoil i havent got a clue but would imagine they wouldnt hold up to much force.

Offline OrgasmDonor

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #9 on: July 10, 2008, 06:31 PM »
fook me! yer all rubbish! thanks for nowt!













































 :LolLolLolLol: cheers dudes, just a thought :daumenhoch:

SaMAlex

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #10 on: July 10, 2008, 06:36 PM »
helicoil just means you cut a deeper thread and then screw in a steel spring (sort of) into it. Its great for putting a steel thread into ally but cos you have to cut it deeper in the first place they wouldnt help this problem.

jackel

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #11 on: July 10, 2008, 06:59 PM »
helicoil just means you cut a deeper thread and then screw in a steel spring (sort of) into it. Its great for putting a steel thread into ally but cos you have to cut it deeper in the first place they wouldnt help this problem.
i know but you could put an oversize helicoil that fits into a 9/16ths thread and may take it to 1/2 sod it get em migged in ;D

SaMAlex

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #12 on: July 10, 2008, 07:02 PM »
helicoil just means you cut a deeper thread and then screw in a steel spring (sort of) into it. Its great for putting a steel thread into ally but cos you have to cut it deeper in the first place they wouldnt help this problem.
i know but you could put an oversize helicoil that fits into a 9/16ths thread and may take it to 1/2 sod it get em migged in ;D

Ah, I see. Good idea. Are the threads the same pitch?

Offline QUADROPHENIA

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #13 on: July 10, 2008, 07:06 PM »

if anybody could do it danny silverstreak could, hes the pedal master

jackel

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #14 on: July 10, 2008, 07:16 PM »
helicoil just means you cut a deeper thread and then screw in a steel spring (sort of) into it. Its great for putting a steel thread into ally but cos you have to cut it deeper in the first place they wouldnt help this problem.
i know but you could put an oversize helicoil that fits into a 9/16ths thread and may take it to 1/2 sod it get em migged in ;D

Ah, I see. Good idea. Are the threads the same pitch?
now thats probably thrown a spanner in the works so to speak lol

Offline adenough

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #15 on: July 10, 2008, 07:53 PM »
ive got some nos pedals for sale? along with some blue ame tris

Offline kdw712

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #16 on: July 10, 2008, 08:29 PM »
cheers Kev
{ wanted : "Red Haro Handle" brake lever link to my trade post }

Offline ron burgundy

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #17 on: July 10, 2008, 09:19 PM »
Daz... stick to freshly skinned bulls heads... retapping threads is not your strong point ;D

"Thanks for the Fish Fingers idea... I'm fooking loaded now!!!"

Offline OrgasmDonor

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Re: is there a 1/2" to 9/16" pedal spindle adapter?
« Reply #18 on: July 11, 2008, 10:46 AM »
what about these ?

only $45

http://www.sheldonbrown.com/harris/opc.html#pedal

thats the wrong way round but tuther way should be as achievable but the extra length = extra leverage so not ideal for heavy use id imagine,

Daz... stick to freshly skinned bulls heads... retapping threads is not your strong point ;D



but strippin threads....aaaah now thats a speciality :daumenhoch: ::)

can i also point out that i dont need any of these adapters, i was just curious as had thought about em in the past n may come in useful one day

RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  is there a 1/2" to 9/16" pedal spindle adapter?
 

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