8020 Chopper

by saul in Outside > Bikes

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8020 Chopper

8020 is an industrial prototyping extrusion made from aluminium. I used it here to construct a chopper by joining the extrusions with water-jet cut plates of 1/4inch aluminum.

Choose and Design the Type of Bike Frame You Wish For

Here are some of the options we designed at an MIT IAP class in 2003.

The CAD files are all included in this step.

Downloads

3prongbototmbracket.dxf

4prongbottombracket.dxf

135deganglebracket.dxf

ari1to15Tbrace.dxf

ari3bracket.dxf

arisheadtubespacer.dxf

arisqbrace.dxf

bbhousing.dxf

cornerbracket.dxf

cwfix.dxf

cwhole.dxf

forkcrownworking.dxf

forkdropout.dxf

forkface.dxf

headtubebracketfinal.dxf

hwhole.dxf

hwfix.dxf

landsailfork.dxf

modropout.dxf

reardropout.dxf

recumtrike_1.dxf

recumtrike_2.dxf

recumtrike_3.dxf

recumtrike_4.dxf

recumtrike_5.dxf

recumtrike_6.dxf

seatbracket_1.dxf

seatbracket_2.dxf

seatclamp.dxf

telescopicbracket.dxf

trike_spindle_tube.dxf

trike3prongbottombracket.dxf

trikesteeringbracket.dxf

tsfix.dxf

tsholes.dxf

workingheadset.dxf

Choose the Connecting Parts From the Part Library or Design Your Own.

ari's_sqbrace.jpg

These parts will be cut from 1/4 or 1/2inch thick aluminum plate using a water-jet.