Robinson Racing RRP1420 Absolute pinion gear, 20 teeth, 48 pitch, 1/8 in bore

Robinson Racing · spur-48p

Use it

(import "parts/gear/RRP1420.ik" as p)

In a design on ink: ask your agent for it by name, or by what it must be.

Axis+z; toothed back facez0; teethz0..4.6; hubz3.8..8.6; tooth centre+x; screwaxis+x atz6.4.

Where it connects: each frame sits on the face it connects by, z out of the part, in the part's own coordinates.

Of	Frame	Origin	x	z
pinion	hub	(0, 0, 8.6)	(1, 0, 0)	(0, 0, 1)
pinion	front	(0, 0, 0)	(1, 0, 0)	(0, 0, -1)

All 30 numbers in its record

teeth	20
pressure-angle	20
backlash	0.03
face-width	4.6
length	8.6
hub-diameter	9
bore	3.175
set-screw-z	6.4
set-screw-length	3.175
set-screw-major	3.175
set-screw-pitch	0.635
set-screw-hex-af	1.5875
set-screw-socket-depth	1.1
set-screw-tip-x	1.65
set-screw-tap-clearance	0.04
set-screw-cup-radius	0.65
set-screw-cup-depth	0.35
mass-g	4.5
diametral-pitch-per-inch	48
module-mm	0.5291667
pitch-diameter-mm	10.58333
outside-diameter-mm	11.64167
bore-inch	0.125
pinion-volume-mm3-numerical	557.3995
set-screw-volume-mm3-numerical	17.0127
set-screw-mass-g-numerical	0.1335497
assembly-mass-g-estimated	4.5
res-mm	0.15
pinion-effective-density-g-per-mm3	0.00783361
set-screw-density-g-per-mm3	0.00785