Revision as of 02:27, 1 June 2013

Conceptual Design

Uses exising Quick Connect Wheel rotor - its shaft output.
Geardown module is CNC cut from 1/2" steel sheet
Notches are made such that the structure can be assembled only one way
Mechanism for quick disassembly is included
Mechanism for tensioning the chain drive is included
Enclosure allows easy replacement of parts
Quick attachment of wheel onto the output shaft of geardown module is possible
Wheel is secured via a keyway
Input shaft is 1-7/8" thick, output shaft is 3" thick
Standard cold rolled shaft is used
Mechanism for retaining axial thrust is included
Geometry must line up for the connection to Quick Attach Wheel
Guards protect any exposed chains/sprockets for safety
Method of coupling to existing Quick Connect Wheel must be used - via chain drive - while considering geometry of frame a drive components
Quick Connect Wheel and Geardown units must be sufficiently stable to maintain chain tension. Tightening mechanism must lock in place.
Reference must be provided to verify existence of off-shelf parts
100 Pitch Chain must be used.
Concept must show approximate dimensions (+/- 2") of the geardown structure
Geardown unit must be no more than 250 lbs in weight

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-=OSE Technology Pattern Language=
-White paper forthcoming.
-=Design Rationale=
-minute design rational for Gear Module, discussion with [[Rahul Dhinakaran]]
-[[File:geardesign.mp3]]
-(needs transcription)
 =Conceptual Design=
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