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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Grey Flash Replica
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<blockquote data-quote="timetraveller" data-source="post: 104907" data-attributes="member: 456"><p>Not yet. The castings are finished and heat treated (LM25) and are waiting to be machined. The alloy JE steering heads are well tested as there are about ten out there. We used my original steering head castings, one for the older split bottom end and one for the later solid bottom end. These were suitably thickened up and coated to allow for casting shrinkage and the fact that ali was to be used rather than steel or cast iron. They will look very similar to the originals when finished. The ali JE steering head save about 2 lbs/1 kg in weight when compared to a steel one so the new heads will save a lot more. I will post something when we have one, or a pair, finished.</p></blockquote><p></p>
[QUOTE="timetraveller, post: 104907, member: 456"] Not yet. The castings are finished and heat treated (LM25) and are waiting to be machined. The alloy JE steering heads are well tested as there are about ten out there. We used my original steering head castings, one for the older split bottom end and one for the later solid bottom end. These were suitably thickened up and coated to allow for casting shrinkage and the fact that ali was to be used rather than steel or cast iron. They will look very similar to the originals when finished. The ali JE steering head save about 2 lbs/1 kg in weight when compared to a steel one so the new heads will save a lot more. I will post something when we have one, or a pair, finished. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Grey Flash Replica
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