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    D-I-Y Great Nick Andrews Trike(GNAT)

    Sounds good to me. Am I correct in assuming almost all motors are brushless?
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    D-I-Y Great Nick Andrews Trike(GNAT)

    another issue I take these motors are similar to the 800 watt motors I use in my model aircraft-no vibration. I realise this might be down to the quality of d-i-y installation.
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    D-I-Y Great Nick Andrews Trike(GNAT)

    I have reread your post regarding mounting the hub motor I now understand. Clamp the hub in drop outs/ins forward chain drive to front chain ring and backwards to the rear derailer via a conventional 7/11 hub. Hub being secured in mid tub section. The big advantages would be better trike weight...
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    D-I-Y Great Nick Andrews Trike(GNAT)

    You are correct I completely misunderstood. I thought you meant using a Cyclone mid motor type set up where the motor is already fitted with a drive cog (and free wheel?). Ahh do you mean utilising the freewheel and 7-11 cassete derailer on the hub out to the rear wheel.
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    D-I-Y Great Nick Andrews Trike(GNAT)

    Many thanks for your practical suggestions. The rear drop ins already use electric motor friction washers to combat the side forces genetrated by the tadpole set up. The hub motor appeals since building a wheel and locating it will be an easy task-I take the point that the motor torque might...
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    D-I-Y Great Nick Andrews Trike(GNAT)

    Having put in thousands of miles on this recumbent on Dutch cobbles Berlin pedestrian cobbles the Crete mountain ranges etc I have confidence I can d-i-y a purpose built front boom in carbon fibre to house the motor. Problem being putting 1HP through my chain which is 3 times longer than a...
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    D-I-Y Great Nick Andrews Trike(GNAT)

    Here are a few photos of the bottom bracket
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    D-I-Y Great Nick Andrews Trike(GNAT)

    Fascinating site giving me ballpark budget figures. Looks like the Cyclone freewheel kit might build into my seat tub. I hoped I could install a motor on the pedal drive but this would require hanging the motor on the not very stiff front drive boom way out in front. Still got to look at rear...
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    D-I-Y Great Nick Andrews Trike(GNAT)

    While the bottom bracket is a standard Shimano bottom bracket I can use pretty much any mid range price SPD pedal/triple chain ring set up-might change to a pedal drive that eliminates the front mech-which is always in the way on mount/dismount. However I suspect a limiting factor is going to be...
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    D-I-Y Great Nick Andrews Trike(GNAT)

    Hope these will be useful. I built several wheels for this machine plus assembled the bits put it together and maintain it so no problem building. I fly RC electric aircraft so used to dealing with 700watt brushless motors/controllers/chargers/LiPo batteries. Clueless about electrifying my trike.
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    D-I-Y Great Nick Andrews Trike(GNAT)

    Here hopefully is a picture of Nicks later carbon fibre version. https://images.app.goo.gl/Sx5kt2F1xobQVMmN8 I will dig out a photo of my fibreglass version. Nick generously lent me his moulds and I D-I-yed the rear middle and front boom from GRP
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    D-I-Y Great Nick Andrews Trike(GNAT)

    I am the lucky owner of a GNAT folding trike suspension all round on its 20 inch wheels SRAM 7x3 rear hubx Shimano triple front chain gives 63 choices of gear. 16000 miles in 12 countries to date. I am now rather decrepit(neuron disease+74 years. I would like to D-I-Y an electric conversion. My...