pic: 499_Toltech_drivetrain

[Andrew Schuetze]

4 Front / Rear dead axle saddle 0.28402 = 1.13608
2 1530 lite rail 33 inches 5.51536 = 11.03072
2 AndyMark Supershifter mount / saddle 0.38186 = 0.76372
2 AndyMark Supershifter 4.6 = 9.2
4 CIM motors 2.1 = 8.4
6 1" Angle Aluminum 26 /w 1.5 cut-outs 0.564 = 3.384
8 #25 Aluminum sprocket 30 tooth 0.125 = 1
12 #25 rollerchain per foot 0.09 = 1.08
6 AM FIRST wheels /w bearings 0.8 = 4.8
4 0.50 inch Aluminum shaft 4" 0.077 = 0.308

Total = 41.10252

This minus all the fasteners which include corner gussets for the 8020. I'll try and post an assembly drawing in a few (hours...days)

Comments welcome on weight reasonableness