geometry

[ticko2]

i need help on how to figure out the formula to get dimensions on 1.5 3 bolt circle on equally spaced...thank you in advanced.

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[timlkallam]

(BOLT HOLE CENTRES - PCD = 1.5)
(NO. OF HOLES = 3)
(ANGLE TO 1ST = 90)
(CENTRES X = 0 Y = 0)
X0. Y0.75
X-0.65 Y-0.375
X0.65 Y-0.375

[Kiwi]

360deg / 3 =120

1st hole @ 0 deg
X = Cos(0) x 0.75
Y = Sin(0) x 0.75

2nd hole @ 120 deg
X = Cos(120) x 0.75
Y = Sin(120) x 0.75

3rd hole @ 240 deg
X = Cos(240) x 0.75
Y = Sin(240) x 0.75

[ticko2]

Thank you guys for your help.