Bulldozer Specification: Difference between revisions

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**Each wheel has 5-fold gear reduction via [[Jackshaft]]
**Each wheel has 5-fold gear reduction via [[Jackshaft]]
**Jack shaft uses heavy chain and sprockets
**Jack shaft uses heavy chain and sprockets
**Number of jackshafts is 3
**Number of jackshafts is 3 for the gearbox; oil-enclosed gear box
*30 gpm quick couplers on motors, valves, and cylinders
*30 gpm quick couplers on motors, valves, and cylinders
*Use metal wheels as in [[Traction Engines]]
*30" diameter wheels, can be as wide as required to achieve desired traction
*30" diameter wheels, can be as wide as required to achieve desired traction
*Use metal wheels as in [[Traction Engines]]
 
*Use 4-flange pillow block bearings with quick-disconnect wheels - see [[Quick Connect Wheels]] strategy for LifeTrac
*Use 4-flange pillow block bearings with quick-disconnect wheels - see [[Quick Connect Wheels]] strategy for LifeTrac
*Use 3" shaft  
*Use 3" shaft  
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*Complete materials cost estimate of under $16k in materials, not counting  
*Complete materials cost estimate of under $16k in materials, not counting  


=Challenges+
*Low cost ($20/linear foot for jackshaft [x3], sprocket for #100 chain - , chain - $5/foot or 9 feet total
[[Category:Specifications]]
[[Category:Specifications]]

Revision as of 17:57, 9 January 2012

  • Use same frame as LifeTrac with modifications
  • Use 4 Power Cubes for 128 hp of tractor power
    • Use 2 Power Cubes per side to simplify hydraulic plumbing requirements
  • 3000 psi hydraulic system pressure
  • Cushion Valve on each wheel
  • 15,000 inch pound hydraulic motor on each wheel
    • Each wheel has 5-fold gear reduction via Jackshaft
    • Jack shaft uses heavy chain and sprockets
    • Number of jackshafts is 3 for the gearbox; oil-enclosed gear box
  • 30 gpm quick couplers on motors, valves, and cylinders
  • Use metal wheels as in Traction Engines
  • 30" diameter wheels, can be as wide as required to achieve desired traction

=Challenges+

  • Low cost ($20/linear foot for jackshaft [x3], sprocket for #100 chain - , chain - $5/foot or 9 feet total