Old 07-08-22, 03:28 PM
  #54  
KPREN
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Join Date: Feb 2021
Location: Wadsworth, Ohio
Posts: 370

Bikes: 2008 S Works Stumpjumper FSR Carbon, 2016 E Fat Titanium Bike Custom built by me.

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Originally Posted by terrymorse
Here's a science-ish answer from the Kreuzotter Power & Speed calculator:

Thanks for this information. Maybe I am not such a 67 yo wimp. I have a big fat e bike with Maxxis Minion 26 X 4.8" tires at 12 psi, full 5" fenders, racks, full upright position with a backpack dog carrier on my back. Total weight tops 300 lbs. The bike is high rolling resistance and high windage. At 18 mph my battery draw is about 380-400 watts or about 270 watts or so to the drive train. According to this, I have to actually be doing something to sustain it. 18mph is a very normal riding speed for me on the road. It just seems like everyone else gets much better mileage than me.
Will I pass a roadie on my fat bike? Eventually but I like to give them their exercise by hanging back about a hundred yards or so. I have a fast cadence.
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