Matt.....
You7 are confsuing things here.....
You measure the straightness of the rear axle (compared to the chassis by the following approach:
1) Measure a point on the RIGHT REAR bearing hanger to the LEFT FRONT king pin.
2) Measure the SAME point on the LEFT REAR bearing hanger to the RIGHT FRONT king pin.
The two measurements SHOULD be identical in MOST karts.....
3) Measure the SAME point on the LEFT REAR bearing hanger to the LEFT FRONT king pin.
4) Measure the SAME point on the RIGHT REAR bearing hanger to the RIGHT FRONT king pin.
The two measurements SHOULD be identical in MOST karts.....
If either set are NOT identical, your rear axle is NOT mounted straight of the chassis is twisted
Assuming your kart has IDENTICAL stub axles (which it should.....) then the chassis 'good'
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The front tracking is DIFFERENT and, if the chassis is straight (checked above) and is measureby reference to the OTHER front wheel' as that is all that MATTERS......
What I am saying is that the kart is treated as one system (two rear whels and two kingpins) and a SECOND system (front tracking).... they are linked but using the rears to 'set' the fonts can be fraught with all SORTS of difficulties because, unlike cars, the rears are 'free' to be set at different positions on the axle....
You COULD use a system where you clamped a 'gauge' to the rear axle (e.g, lasers) and measured the front wheel angles but it would be pretty damned complicated to calculate the minute difference in angles.
Ian
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