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Triumph TR3 - Never saw one of these before

A rev limiting rotor. Not that any of my engines would need it, unless the throttle stuck open.

http://cgi.ebay.com/ebaymotors/LUCAS-Rev-Limiter-Rotor-Jensen-Healey-TR3-MGA-Lotus-MGB_W0QQitemZ8061051621QQcategoryZ33688QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

Just thought some of you may be interested.
Tom

They pop up every once in a while on eBay. Pretty neat. I like how the seller states:
"This is a 7000 rpm (3500 rpm at the distributor- turns at 1/2 engine speed) rev limiter. This would make a nice safety factor for high performance engines to avoid overrevving especially during break-in."

So, I guess he must rev his motors to only 6950 RPM freely during break in procedures. Remind me not to hire him on. :-)

As far as this item goes, it is a mechanical way of controlling your revs, but as far as I understand, not adjustable. I know people that run their race motors to 7200 and 7800, so this does not do them any good and those that only run their motor to 6500- same issue. Also, mechanical ways of doing things that can also be done by a computer are less reliable. A modern rev limiter can give a "soft touch" rev limiting or even retard the spark which can be easier then just shutting down the ignition all together.

All that said, I would like one like this on my shelf as a novelty item.
-BMC.
BMC Brian McCullough

This thread was discussed between 04/05/2006 and 05/05/2006

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