![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-NPloqDwpq8FYkCQHFMvsVASAo4DUvaTetC6jDerjQgzE53weN_Mh-ma-uoEYvwvRxKscYbMXxM0Id3bwadT7GXAirmuo5QmtFuU3QlQYboN62niDAKJggXCC7x83wSuNGVJPCldtyUk/s320/back1.JPG) |
Rear fork with newly 3d printed spacers. These stop the prong of the fork from being loose inside the frame. They were my plan B.
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![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjeaVgmPO0t_nZ2C8_mjpKmjo0Ozn_F-ieroC3s66Mg_g1uGvkhE403_wTf-t7s5DUx2aU7CO-jWddZH_tvikSKJisd5ZNpH_g0a7KwlAzbS_gHCdt_RsD1GeiOvfPx_0oU1QMoY0gvXDE/s320/back2.JPG) |
Here it is inside the frame, and
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![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitgVofHUG8KFe-8xl5ZHKrpockE0XEanxHi1Hc5NspGFkT5VrqdcYK3XV5B_d3boZBdb00yjSZ4IUsGgBmN4ZkJ3Gp8j287-k48PiDoS0DbzLxU8rCSl3efiGwfnV3KhnaVAiAjtPGSCw/s320/back3.JPG) |
with half of the spacer exposed.
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![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnz8jfIuWf1bD4y6dzAOkoTnyspSN8mTf9bj6MBmsZghiHzFAcYX_wSFKwymyT4n24G2HhpLV3J7xuTPk1bLSHsQSugGaCrMtW55fEsTvVfoOWtbhmMJik1kORWn240rGohnsIIJ5vbjU/s320/back4.JPG) |
Slept on it last night and decided to use these aluminium beams as frame jigs.
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![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmvMJ05oNlaAWn32Dfh3E43P4C7vRP4DTz5ZU7ao7d-286riD5klrQO4gSwH4zU1yIKmh1po_kEK5416sYssmm1nn9x5l4Q06Gapy37PbULeTBuavDNsHh8TztNJtIYJswWD2Ejut_P70/s320/back6.JPG) |
Here's the new jig on the bike, holding the back wheel in position,
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![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpUizWYqvxrrDU8V6ccsMeaC7WjEmkIeDLlA8YUeVzoKICK18-FLtS3tJxt4IQpxczA9zW-bJYITZpjOh1kqgeFlmus9UBwVwvfiw2ZN4TGJL4w_voJ4tZBpT0e73mN6HDO3xup8Fr68A/s320/back7.JPG) |
and as I left things at day's end, with 2 tubes braze-tacked onto a cross piece. Some parts are still bolted together. Next step
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![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8Yq1ZIHRdxRLn932nHa2YvTA_ZskF1r68TS0JvC0GTz0BY9vgjMgqRdIrcDfodlEyo2oU6VHgrtJ9nfZ4HQmsEEd6oqD0OPPoy5XfWTyczQ71iQPk8kP8tRa5teVaHN7mFf5x_xuWxfI/s320/back8.JPG) |
This was my plan "A", I had planned to cut plastic from these upcycled storage bins to make spacers for the rear fork. But it looks like 3d printing will be simpler and easier.
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Hi
Here is today's progress on the bike and I am quite pleased! After thinking about it overnight, I decided to use an aluminium jig to hold the back wheel in place, and flattened the tyres before clamping it to the rims. This morning I designed and printed a few spacers so the rear wheel fork would not waggle inside the frame.
By this afternoon, I had all the bits together and was able to tack some of the rear fork together. Tomorrows job will be to finishbrazing the fork. I plan to redesign the plastic fork spacers but am happy with the job my trial versions have done.
Regards
Steve Nurse
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