Telemark home-trainer

prusaprinters

<p>This telemark home trainer was designed during the first Coronavirus confinement to keep fit at home.&nbsp;</p><p>&nbsp;</p><h3>Bill of material:</h3><ul><li>8x 608 ball-bearing (the same one as used in rollers)</li><li>8 tires to be printed in soft material, here Filaflex 82A</li><li>2 plank of wood (100mm wide, 300mm long)</li><li>M8 screws + nuts to fix the bearing on the lower part</li><li>M5 screws to fix the lower part and the ski binding on the plank</li><li>M3 screws for the telemark binding.</li><li>4 springs 10mm diameter, 50mm long, as strong as possible</li><li>2 bicycle break cables for the telemark binding</li><li>2 screw terminal to block the cable</li></ul><h3>Print parts:</h3><ul><li>The telemark binding requires the most resistant material, printed in PET-G, or ABS,&nbsp;</li><li>Tires requires soft, flexible material like Filaflex 82A</li><li>The wheel-holder requires nothing special, PLA works great.</li></ul><h3>Assembly:</h3><p>Put the bearings into the tires (8x) to build wheels.&nbsp;</p><p>Assemble the wheels into wheel-holder with the M8 screws and nuts + extra washer.</p><p>Assemble one telemark binding on top of each of the plank with the associated lower part. Each plank needs to be drilled 8x with M5. Telemark binding have extra M3 holes to re-enforce this part.</p><p>Finish the telemark binding with the break-cable and adjust it to your N75 boot.</p>