Shopping List

Shopping List for April 27, 2009:

MicroTrac Body

32 cu in wheel motor, 5130 in oz torque, 145 rpm at 20 gpm

3 spool, OC, 25 gpm valve

3x8" cylinder, SAE 8 in/out, 16" closed pin-to-pin

1 7/8" bearing

1 7/8" double split lock collar

SAE 10 to 1/2" NPT

• Wheel motor - $250 - use quick coupling for interchangeability of motor, shared between devices
  • Requires fabrication of quick coupler mechanism - equivalent of bicycle quick release except much stiffer
  • MicroTrac will be required for use on many occasions, so wheel motor, though quick release, should be dedicated to MicroTrac. Another motor, used for MicroTrac auger, should be shared.
• control valve, 3 body - $200 - 25 gpm, # SAE 12/16 IN/OUT ports, SAE 10 work ports
• 3.0 inch cylinder - SAE 8 outlets - $45
• 2 bearings - 1 7/8" - $20 ea
• 2 double split collars - 1 7/8" - $7 ea
• Fittings
  • Motor
    • 2 - SAE 10 to 1/2 NPTM - $1.89 ea
    • 1 - SAE 4 to 1/4 NTPM - $0.95
    • 2 - 1/2 NPT quick coupler pair
    • 1 - 1/4 NPT quick coupler pair
    • 2 - 1/2x72" hose, 3000 PSI
    • 1 - 1/4x72" hose, case drain
• Metal
  • 1 7/8" shaft
  • 1/8x1.5" tubing

CEB Prototype 2

• 5x8x2.5" cylinder -
• 14 inch cylinder
• cam rollers -
• Guide Bearings
• Fittings

Power Cube

• Coupler -
• Pump - [1] - $181, 12 gpm at 3600 psi
• Filter -
• Fittings
• Metal

Pulverizer

Note: can convert Rototiller to pulverizer, and auger (posthole, planting auger, mixer), according to 'lifesize erector set' philosophy. This can be done by exchanging the motor for a faster one, and using a different set of tines.

• Coupler - needs PTO 6-spline to 1-7/8" shaft converter
• Fittings - have PTO motor already; maybe purchase quick connects for it (in/out sae 10, sae 4 case drain)
  • Go from SAE 4 to 1/4 male for $1
  • Go from SAE 10 to 1/2 NPTM at $2
  • Need two coupler pairs at 1/2" - at $16 and one at 1/4" - 1/4" pair at $11
• Metal

HexaHatch

• Motor -
• Coupler -