2-6 Gear Calculator

	B	C	D	E	F
1	Manual Inputs	Variable Name	Gear N1	Gear N2	Formula
2	Gear Ratio (GR) = N2 / N1	GR	2		N2 / N1
3	Number of Teeth (N)	N	20	40
4	Outside Diameter (OD) =(N+2) / DP	OD	5.5	10.50	(N+2) / DP
5
6	Fixed Values
7	Pressure Angle (PA)	PA	20	20	Usually 20 or 14.5
8	Diametral Pitch (DP) = N / PD	DP	4	4	N / PD
9
10	Calculations
11	Pitch Diameter (PD) = N / DP	PD	5.00	10.00	N / DP
12	Root Diameter (RD) = N-2 / DP	RD	4.50	9.50	N-2 / DP
13	Quarter Angular Circular Pitch (4ACP) = (360/4) / N	4ACP	4.5	2.25	(360/4) / N
14	Pitch Point Diamter Circle (PPD) = 1/4 * PD	PPD	1.25	2.50	1/4 * PD
15	Base Fillet (BF) = .01 * PD	BF	0.0500	0.1000	.01 * PD
16	Angular Circular Pitch (ACP) = 360 / N	ACP	18	9	360 / N
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