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| Hack saw and a gas bottle, whimsical bicycle project! |
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| doubletop:
--- Quote from: John Hill on May 22, 2011, 04:13:35 PM --- Pete, I have the tensioner from the busted derailer and I think even my shop skills would be adequate to mount it. --- End quote --- John That was the idea, I hadn't expected you to spend money, You are a Kiwi, the bits you have and some #8 and away you go, especially as we now know the front derailleur is working you at least have a 3 speed, albeit with somewhat wide spacing. The link was by way of inspiration. Pete |
| John Hill:
--- Quote from: Baldrocker on May 22, 2011, 10:27:28 AM ---Been toying with the idea of a 3-speed Sturmey Archer with a 3 ring front de-railler on my roundtuit electric trike, anyone got any thoughts? br --- End quote --- If you are using the front derailer you will need to use the narrow derailer chain which will not fit the thick sprocket on the Wormy Starcher, no doubt there will be a solution to this, maybe even derailer sprockets will fit the hub, but it is something I still have to learn. :scratch: |
| doubletop:
If you are spending money it looks like they do a cassette version to take your existing cluster, look at CS-RF3. But why you'd want a 9 sprocket cassette on a three speed hub escapes me unless you want bragging rights for 81 gear ratios (9x3x3) |
| Baldrocker:
John. Another possible problem with using three sprocket front with single rear could be chain alignment on changing sprockets, may have to mock-up to try the idea. br |
| John Hill:
On the road at last! bakfietstest2 by aardvark_akubra, on Flickr bakfietstest by aardvark_akubra, on Flickr I decided to go for the Ye Olde look of the famous Raleigh Jungle Bike, I had to make a couple of more trips to the tip to get the 'right' parts and I had to make adapters for the cottered crank to fit in the frame which had been made for a one piece cranks. Eventually all the bits came together including the 3 speed Sturmy Archer hub which works very well. The SA rear axle has a weird 13/32 26TPI thread and one nut was stripped so the next task is to find a suitable nut or get really keen and make a tap. :scratch: The caliper brakes are really poor, the frame has lugs for cantilever brakes on the rear but the brake blocks do not line up with the rim. :scratch: |
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