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Wheel_Notes
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Wheel_Notes
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Calculating the numbers..
at 6000 RPM, CRANK wheel is turning at 100revs/sec, cam at 50
So for 4 cylinder distributor thats:
2 pulses per revolution
thus 200Hz.
6 cylinder distributor:
3 pulses per crank revolution
thus 300 hz
8 cylinder distributor:
4 pulses per crank revolution
thus 400 hz
60-2 crank wheel
60 pulses per crank rev
thus 6000 hz
60-2 crank wheel with cam
60 pulses per crank rev
thus 6000 hz
36-1 crank wheel with cam
36 pulses per crank rev
thus 3600 hz
4-1 crank wheel with cam
4 pulses per crank rev
thus 400 hz
8-1 crank wheel with cam
8 pulses per crank rev
thus 800 hz
6-1 crank wheel with cam
6 pulses per crank rev
thus 600 hz
12-1 crank wheel with cam
12 pulses per crank rev
thus 1200 hz
40-1 crank wheel with cam
40 pulses per crank rev
thus 4000 hz
disty four style 50 off 40 on
2 pulses per crank rev (4 per cam)
thus 200 hz
oddfire 90 0,135
odd pattern, thus no constant freq portion
Optispark 360 and 8
360 pulses per cam rev, thus 180 pulses per crank rev
thus 18000 hz
NOTE: max rpm about 15krpm MAX with this pattern before ISR overload...
Sweeping on this one may have jitter issues too
12-3 oddball
12 pulses per rev
thus 1200 hz
36-2-2-2
36 pulses per rev
thus 3600 hz
4200 wheel
odd pattern, thus no constant freq portion
36-1 mazda FE
36 pulses per rev
thus 3600 hz
mitsu 6G72 with cam
3 pulses per rev (crank)
thus 300 hz
Buell oddfire
4 pulses per rev (crank)
thus 400 hz
GM LS1
Odd pattern thus no constant freq portion
Lotus 36-1-1-1-1 oddball
36 pulses per crank
3600 hz
Honda RC51 wiht cam
12 crank pulses
1200 hz
36-1 with zecond trigger on 33-34
36 crank pulses
3600 hz
36+2-2 NGC4
36 crank pulses
3600 hz
Weber marelli 8 crank 2 cam pulses
8 crank pulses
800 hz
Fiat 1.8 16V
Odd pattern
Nissan 360 CAM wheel sensor
360 cma teeth (180 crank equivalent)
18000 hz
NOTE: RPM limited to about 15K rpm
Sweeping may introduce some jitter
Mazda 24-2 caz (equal to 12-1 crank)
12 crank teeth
1200 hz