1989 Swallow Griffon - MBUK Test Bike... Finished - Page 12
- Thread starter Coleman
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Re:
Yes Sir.
Specifically the rear brake cable.
When used with a u-brake the cable hanger braze on is too close to the u-brake - no room for a straddle wire etc.
I've e-mailed the pics to Paul Hinton to see if he can remember how they set it up for the photo shoot. The only way I can think it could have been set up is a Kona style cable router on the seat post... a couple more pics:
Yes Sir.
Specifically the rear brake cable.
When used with a u-brake the cable hanger braze on is too close to the u-brake - no room for a straddle wire etc.
I've e-mailed the pics to Paul Hinton to see if he can remember how they set it up for the photo shoot. The only way I can think it could have been set up is a Kona style cable router on the seat post... a couple more pics:
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Re: 1989 Swallow Griffon - MBUK Test Bike... Update P9
Adrian, instead of the way the problem was solved for the bikes maiden voyage on mag test day, which I'm sure was nothing more than an oversight given the testing of both brake sets on one frame.
The short term solution wasn't ideal at best, and couldn't have been permanent, hence perhaps the bike turning up with the cantis decades later.
Would it not be safer and simpler to have a alloy piece fabricated that attaches/removes to the existing cable hanger on frame, increasing the height required. Cable angle taken into consideration of course, thus resolving the problem permanently and safely...?.
If the frames rear cable hanger slot is threaded for an adjuster, this would help if a alloy/steel piece was fabricated. Failing that, an additional colour matched removable brace tucked in above the cable hanger that's there with a cable stop brazed/welded onto it, Cable angle/clearance allowing of course.(attaching in a similar method to the way a Ringle anti chainsuck device fits-see Roberts WS ultra light in thread....Obviously designed for the job in hand and much smaller with an attached cable stop)
Adrian, instead of the way the problem was solved for the bikes maiden voyage on mag test day, which I'm sure was nothing more than an oversight given the testing of both brake sets on one frame.
The short term solution wasn't ideal at best, and couldn't have been permanent, hence perhaps the bike turning up with the cantis decades later.
Would it not be safer and simpler to have a alloy piece fabricated that attaches/removes to the existing cable hanger on frame, increasing the height required. Cable angle taken into consideration of course, thus resolving the problem permanently and safely...?.
If the frames rear cable hanger slot is threaded for an adjuster, this would help if a alloy/steel piece was fabricated. Failing that, an additional colour matched removable brace tucked in above the cable hanger that's there with a cable stop brazed/welded onto it, Cable angle/clearance allowing of course.(attaching in a similar method to the way a Ringle anti chainsuck device fits-see Roberts WS ultra light in thread....Obviously designed for the job in hand and much smaller with an attached cable stop)
Re:
Yeah talk about a cheese wire!!
Will take a pic of the set up tomorrow.
I think the only ways forward are, revert to cantis or as you say come up with some sort of brake hanger, you can get those ones which fit onto the seat QR, that might give the extra 3/4" that is needed or so.
Yeah talk about a cheese wire!!
Will take a pic of the set up tomorrow.
I think the only ways forward are, revert to cantis or as you say come up with some sort of brake hanger, you can get those ones which fit onto the seat QR, that might give the extra 3/4" that is needed or so.
Re: 1989 Swallow Griffon - MBUK Test Bike... Update P9
Get the Cantis on for now and get the bike out there, too good to be tucked away unfinished. You can figure out the way forward for U brakes, when the sexy bird has and let you ride her.
Get the Cantis on for now and get the bike out there, too good to be tucked away unfinished. You can figure out the way forward for U brakes, when the sexy bird has and let you ride her.
one_bad_mofo
Old School Hero
Re: 1989 Swallow Griffon - MBUK Test Bike... Update P9
I once saw a cyclocross bike that had had the seatpost drilled to act as a cable guide. The rear brake inner cable passed through the hole in the post and was perfectly centred for the cantilever brake straddle wire hanger.
I'm mot recommending that you drill a seat post, just that as a last resort...
I once saw a cyclocross bike that had had the seatpost drilled to act as a cable guide. The rear brake inner cable passed through the hole in the post and was perfectly centred for the cantilever brake straddle wire hanger.
I'm mot recommending that you drill a seat post, just that as a last resort...
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Re: 1989 Swallow Griffon - MBUK Test Bike... Update P9
Lovely bike. Looking forward to seeing it completed, one day!
Lovely bike. Looking forward to seeing it completed, one day!
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