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Old 18th June 2008   #1
stevo_com
 
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Chain tugs for old road frames

I'm thinking of making up a few chain tugs for use with horizontal dropouts ie. old road frames. Would anyone be interested? £3-£5 possibly
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Old 18th June 2008   #2
Sammy
if they'd fit forward facing horizontal dropouts (i've got a conversion) Then I would be very interested.
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Old 18th June 2008   #3
stevo_com
 
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yeah, that's what I mean. still working on the first one, original idea didn't work. I'll repost when I have it working.
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Old 18th June 2008   #4
pajamas
 
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sounds good man
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Old 18th June 2008   #5
stevo_com
 
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gotta wait a day or two for the 10mm HSS drill bit to arrive, then I'll bodge up a prototype and post photos.
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Old 18th June 2008   #6
TheBrick(Tommy)
 
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Some thing like this works (my version made about 2 years ago). Small holes are tapped for bolts for adjustment.

Find suggestible suitable piece of metal, drill three holes, cut half way through where you want the bend, bend it over weld up the gap, grind and clean up, tap two small holes, paint put bolts in holes. I have not got picks of the finished job I am afraid.
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Old 18th June 2008   #7
stevo_com
 
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i had a slightly similar idea but the first one i made the donor metal wasn't strong enough so it flexed. also don't have a welder.

will post pics when I get one done. The idea is to make a few and sell them to people here for cheaper than the on-one's or equivalent.
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Old 18th June 2008   #8
mikeymerk
 
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count me in
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Old 18th June 2008   #9
Greasy Slag
 
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i'll take 2 with an option for an additional set once tested
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Old 18th June 2008   #10
rik
 
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I like it too
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Old 19th June 2008   #11
crank
 
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Good idea,
I'd take 1 or 2.
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Old 19th June 2008   #12
jonlubi
 
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Ooh I'd definately be keen on a couple.
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Old 19th June 2008   #13
|³|MA3K
 
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I'd probably take one too.
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Old 19th June 2008   #14
stevo_com
 
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Groovy, now I know there's interest I'll crack on with production. Hang fire and I'll post back when I get somewhere with it.

Aaron
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Old 20th June 2008   #15
sugarmagnolia
 
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yes please
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Old 20th June 2008   #16
m-xl
 
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hi there,

i'll have some. i have a pair of old cyclo chain tugs which do the trick, but these are hard to find, and prone to slipping every once in a while.

think i've included a couple of pics in case they're helpful. pm me if you want more info...
Attached Thumbnails
20062008137.jpg   20062008138.jpg  
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Old 20th June 2008   #17
stevo_com
 
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thats similar to one of my ideas but i was worried what it would do to chainline, having extra metal inside the dropouts.

i've knocked up the first prototype, not 100% happy with it, does the job, just not well enough for me to sell it to someone else.
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Old 20th June 2008   #18
stevo_com
 
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would people still be interested if I basically reproed the cyclo style ones? I reckon you could offset having the metal inside the dropout by adding a washer to the other side of the hub
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Old 20th June 2008   #19
sugarmagnolia
 
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yup
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Old 20th June 2008   #20
m-xl
 
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i'd be interested still.

i'd suggest if you were going to copy those, to make them about half as long - they only have to pass over the bottom of the dropout and round to the other side - and also to think about putting two bolts in and not one - to improve stability (like surly tugnuts).

is that helpful? they are the faults i've found with the the cyclo ones.

cheers!
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Old 20th June 2008   #21
stevo_com
 
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noted, ta.
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Old 20th June 2008   #22
jimalex
I'd be interested too Steveo. Looking forward to seeing the prototypes!
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Old 20th June 2008   #23
Dunbar22
 
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Is it not possible to mount outside the dropouts and preserve chainline?



(imagine it's a drop out and not a track end)
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Old 21st June 2008   #24
stevo_com
 
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it is, if you can afford nice machined billet metal or pay for the tooling to get some forged or have a welder.
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Old 22nd June 2008   #25
liam-h
 
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i made some out of L-section aluminium (gets past not having a welder) a couple of years ago... some for BMX, and some for old forward facing drop outs, one set lasted about a year on my fix but then the threads stripped... oh well.
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Old 22nd June 2008   #26
stevo_com
 
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that's one avenue I'm going down, along with the cyclo ones
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Old 4th September 2008   #27
Dammit
Stevo did you end up making these?

My Geoffrey Butler seems to have the most slippery dropouts in the world- I'm getting busy with a 15mm spanner after every ride at the moment...

I would be delighted to give you some readies if you have gone beyond the prototype stage?
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Old 4th September 2008   #28
stevo_com
 
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nah, been sidetracked with dissertation and job, couldn't even make it to South's this week. If/When I get back on the case I'll let you know
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Old 4th September 2008   #29
asm
dammit: I noticed that as well!

I just got sick of it and left it slack. :) Just get a surly chaintug (or cheaper option). They work on front-facing dropouts too. And you can use it as a bottle opener. :)
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Old 4th September 2008   #30
Dammit
One of these?



Where would I get one if so?
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Old 4th September 2008   #31
modfixie
I'd be interested in a set
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Old 4th September 2008   #32
spagettihoops
 
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Quote:
Originally Posted by Dammit View Post
One of these?



Where would I get one if so?
they've got em at brixton cycles for 11 quid or something.
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Old 4th September 2008   #33
livingasleep
Quote:
Originally Posted by spagettihoops View Post
they've got em at brixton cycles for 11 quid or something.
19 quid. was there earlier today.
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Old 4th September 2008   #34
spagettihoops
 
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i clearly need to wear my glasses more often.
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