Classic vehicles. Cam Dwell Angle

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Classic vehicles. Cam Dwell Angle

Postby EAAD » Thu Apr 07, 2016 6:38 pm

Hello everyone

I have tried to search on this one before posting a question and I'm sure there will be a way?

I look after all kinds of vehicles from new to veeeeeeeery old (like me)...... I haven't plugged an old classic car in yet to try.......but I have found the primary waveform tutorial on dwell which shows milliseconds.

Young uns won't have a clue on what I'm on about here, points,condenser, timing advance etc...... But is there a way of calculating the 'Cam Dwell Angle' IN DEGREES please? & how?

I do still have a timing light which is capable of giving me the cam dwell angle in degrees....... But just wondered if the picoscope can calculate it in degrees?

Many thanks

Colin

Colin
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Re: Classic vehicles. Cam Dwell Angle

Postby andrewbishop66 » Fri Apr 08, 2016 12:40 pm

Hi EAAD

not an expert here
one channel on coil neg
HT pick up on a spark plug lead

Save waveform zoom to shoe 2 Ht events
rotation rulers placed on the two spark events (720 deg ) use the measuring rotation rulers to measure coil time on dwell angle
Engines are not my field but that is how I would try

Andrew
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Re: Classic vehicles. Cam Dwell Angle

Postby EAAD » Fri Apr 08, 2016 3:20 pm

Thanks Andrew ..... The cars an mgb gt 1967 and coming in about 2 weeks time..... I'll have a rummage

Kind regards
Colin
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Re: Classic vehicles. Cam Dwell Angle

Postby andrewbishop66 » Fri Apr 08, 2016 10:04 pm

Your welcome
if I get a chance I will try my minor this weekend
although that has electronic points I like to cheat
but worth a look

Andrew
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