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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
mag. renovation
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<blockquote data-quote="Tom Gaynor" data-source="post: 8053" data-attributes="member: 4034"><p><strong>Magnetos</strong></p><p></p><p>As I said, I don't know, but I don't think many aero engines run at 7 to 8000 rpm. My impression is that 2 to 3000 is closer to the mark. I don't doubt aircraft mags are better made, but the design brief must be quite different. They seem to be rather bigger than bike mags: the only aero mag I've ever heard of being suited to a bike is the Scintilla. My guess is that that is because it's the only one small enough.</p><p>I've had three mag failures (three out of four DNF's) in 15 years. Each one was on a stinking hot day on a long, fast (high sustained speed) circuit. Rain isn't my magneto's enemy, it's its friend. "Oh blessed cooling rain..." but don't quote that back at me as the rain beats down on some summer rally this year. I've only ever had one road mag fail: probably old age - it was 65 years old. I can relate to that.</p></blockquote><p></p>
[QUOTE="Tom Gaynor, post: 8053, member: 4034"] [b]Magnetos[/b] As I said, I don't know, but I don't think many aero engines run at 7 to 8000 rpm. My impression is that 2 to 3000 is closer to the mark. I don't doubt aircraft mags are better made, but the design brief must be quite different. They seem to be rather bigger than bike mags: the only aero mag I've ever heard of being suited to a bike is the Scintilla. My guess is that that is because it's the only one small enough. I've had three mag failures (three out of four DNF's) in 15 years. Each one was on a stinking hot day on a long, fast (high sustained speed) circuit. Rain isn't my magneto's enemy, it's its friend. "Oh blessed cooling rain..." but don't quote that back at me as the rain beats down on some summer rally this year. I've only ever had one road mag fail: probably old age - it was 65 years old. I can relate to that. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
mag. renovation
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