1928 Front Gas Lamp Brackets

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Roger Gwynn
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Re: 1928 Front Gas Lamp Brackets

Post by Roger Gwynn »

The club has the drawings for both the 1927 version, D9/75 (6100-27) and for the 1928 machine E8/411 (6100-28) the latter shows that the taper is 1 in 5 inclusive or 5.655 degree angle
Roger Gwynn, caretaker of the club's works drawings and machine register, membership secretary 2015-26. Director of AOMCC, Draganfly Motorcycles, Craven Equipment and Supreme Motorcycles mostly retired. (roger@arielownersmcc.com)
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Re: 1928 Front Gas Lamp Brackets

Post by cmfalco »

Roger Gwynn wrote: Fri May 15, 2026 8:27 amthe taper is 1 in 5 inclusive or 5.655 degree angle
Aside from the issue of whether the angle per side, or the total angle, is being discussed, the test rod I cut on my lathe at 5.7° definitely didn't fit, while 5° almost did.
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Roger Gwynn
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Re: 1928 Front Gas Lamp Brackets

Post by Roger Gwynn »

Oh yeas, always better to make the part to fit the other part rather than as specified as the former will fit and the latter may not
Roger Gwynn, caretaker of the club's works drawings and machine register, membership secretary 2015-26. Director of AOMCC, Draganfly Motorcycles, Craven Equipment and Supreme Motorcycles mostly retired. (roger@arielownersmcc.com)
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Re: 1928 Front Gas Lamp Brackets

Post by nevhunter »

Some of those Tapers get a bit damaged at the ends. It pays to spend a Bit of time with a scraper or fine rat tail file to carefully dress any damage before Matching with the New Part. It's all unsprung . Nev
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Re: 1928 Front Gas Lamp Brackets

Post by tony.barnett »

All useful info chaps. I have got some steel to make some brackets.
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