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Torque Arm Build
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<blockquote data-quote="JFleck" data-source="post: 54740"><p>Hello All,</p><p></p><p>Here's my build for the torque arm for any electric motor. I am in the process</p><p>of installing a 48V electric hub motor on my bike. many of these kits</p><p>don't come with a torque arm, so here's a quick tutorial to make</p><p>your own.</p><p></p><p></p><p><strong>TOOLS: you will need a drill, hack saw or cut off wheel, round file and a flat file.</strong></p><p></p><p></p><p><strong>1. Start with some steel stock that can be purchased at Home Depot or any local</strong></p><p><strong>hardware store. I got this one at Home Depot for $4.00 I think. This is 1/8in thick</strong></p><p><strong>steel, nice and sturdy and easy to work with.</strong></p><p></p><p><img src="http://www.flecksfortress.com/PICS/MySpace/Tarm.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><strong>2. Cut off the amount needed, keeping in mind that the leverage</strong></p><p><strong>comes from how long the piece is. I cut mine to 8in. Take one of the</strong></p><p><strong>washers that came with your kit and use it as a template for your hole.</strong></p><p><strong>drill 2 or more pilot holes making sure they are inside of your drawn hole,</strong></p><p><strong>then use your files to shape out the hole. </strong></p><p></p><p><img src="http://www.flecksfortress.com/PICS/MySpace/Tarm1.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><strong>As you get closer to the drawn hole start trying to fit check the torque</strong></p><p><strong>arm. you want to have as snug a fit as you can.</strong></p><p></p><p><img src="http://www.flecksfortress.com/PICS/MySpace/Tarm2.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><strong>3. When you get your hole filed to size where it is nice and snug, install it on your hub.</strong></p><p></p><p><img src="http://www.flecksfortress.com/PICS/MySpace/Tarm4.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><strong>I installed mine on the inside of the fork, basically replacing the</strong></p><p><strong>washer that would be there.</strong></p><p></p><p><img src="http://www.flecksfortress.com/PICS/MySpace/Tarm3.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><strong>4. Mount your wheel and from the other side I mounted the</strong></p><p><strong>torque arm with 2 size 10 self taping screws. you can also use hose</strong></p><p><strong>clamps or other methods to attach the arm.</strong></p><p></p><p><img src="http://www.flecksfortress.com/PICS/MySpace/Tarm5.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><strong>5. The final mount will look something like this, I painted and shaped</strong></p><p><strong>my torque arm a bit to match my bike and paint, but you can make the</strong></p><p><strong>install look as clean or dirty as you want to . . .</strong></p><p></p><p><img src="http://www.flecksfortress.com/PICS/MySpace/Tarm6.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><strong>Hopefully this is a helpful tutorial to those of you taking</strong></p><p><strong>the "ELECTRIC" route for your bike . . .</strong></p><p><strong></strong></p><p><strong>Take Care All,</strong></p><p><strong></strong></p><p><strong>JaSoN</strong></p></blockquote><p></p>
[QUOTE="JFleck, post: 54740"] Hello All, Here's my build for the torque arm for any electric motor. I am in the process of installing a 48V electric hub motor on my bike. many of these kits don't come with a torque arm, so here's a quick tutorial to make your own. [b]TOOLS: you will need a drill, hack saw or cut off wheel, round file and a flat file.[/b] [b]1. Start with some steel stock that can be purchased at Home Depot or any local hardware store. I got this one at Home Depot for $4.00 I think. This is 1/8in thick steel, nice and sturdy and easy to work with.[/b] [img]http://www.flecksfortress.com/PICS/MySpace/Tarm.png[/img] [b]2. Cut off the amount needed, keeping in mind that the leverage comes from how long the piece is. I cut mine to 8in. Take one of the washers that came with your kit and use it as a template for your hole. drill 2 or more pilot holes making sure they are inside of your drawn hole, then use your files to shape out the hole. [/b] [img]http://www.flecksfortress.com/PICS/MySpace/Tarm1.png[/img] [b]As you get closer to the drawn hole start trying to fit check the torque arm. you want to have as snug a fit as you can.[/b] [img]http://www.flecksfortress.com/PICS/MySpace/Tarm2.png[/img] [b]3. When you get your hole filed to size where it is nice and snug, install it on your hub.[/b] [img]http://www.flecksfortress.com/PICS/MySpace/Tarm4.png[/img] [b]I installed mine on the inside of the fork, basically replacing the washer that would be there.[/b] [img]http://www.flecksfortress.com/PICS/MySpace/Tarm3.png[/img] [b]4. Mount your wheel and from the other side I mounted the torque arm with 2 size 10 self taping screws. you can also use hose clamps or other methods to attach the arm.[/b] [img]http://www.flecksfortress.com/PICS/MySpace/Tarm5.png[/img] [b]5. The final mount will look something like this, I painted and shaped my torque arm a bit to match my bike and paint, but you can make the install look as clean or dirty as you want to . . .[/b] [img]http://www.flecksfortress.com/PICS/MySpace/Tarm6.png[/img] [b]Hopefully this is a helpful tutorial to those of you taking the "ELECTRIC" route for your bike . . . Take Care All, JaSoN[/b] [/QUOTE]
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