Recent content by EbikeTestLab

  1. EbikeTestLab

    Das-Kit display

    The Das Kit settings on my Magnum Metro+ display (I think it's a C7) can be adjusted for tire diameter, perhaps it's set wrong? I have noticed mine is off some but only about half a mile over my 35 mile commute and I have double checked the tire diameter a few times.
  2. EbikeTestLab

    Acceleration Rate vs. Battery Voltage

    Interesting. My daughter's bike (Faraday) uses a torque sensor and doesn't have a throttle. Getting consistent acceleration results were difficult but achievable. Essentially, we use power measuring pedals with a real time readout to keep power at the same level while accelerating. I need to...
  3. EbikeTestLab

    Acceleration Rate vs. Battery Voltage

    I’m glad to hear that about the Bosch bikes. The controller must be compensating for the reduced voltage by increasing the amperage to maintain the same wattage to the motor. Anyone else’s bike do that? I need to test a Bosch bike this spring.
  4. EbikeTestLab

    Acceleration Rate vs. Battery Voltage

    Well, here's the chart so you don't have to click on it:
  5. EbikeTestLab

    Acceleration Rate vs. Battery Voltage

    During my commute to work, which is mostly on a rail trail, I use the throttle on my Magnum Metro+ to help me get across intersections quickly. I've noticed that the acceleration rate drops with the battery voltage, so I set out yesterday afternoon to measure that drop. Starting with a fully...
  6. EbikeTestLab

    Tire pressure, rolling resistance, battery range

    Good observation! I tested the road load vs. tire pressure and then calculated how that would affect range. Here's the post: https://electricbikereview.com/forums/threads/range-vs-tire-pressure.28759/#post-205384 Tire pressure definitely affects range and might affect top speed if the bike...
  7. EbikeTestLab

    Know Your Average Stopping Distance?

    I'll try to go out on my Cannondale gravel bike when the weather cooperates and see how quickly I can stop with a regular bike (still has hydraulic disc brakes though). That would be an interesting data point. My hunch is that it's no quicker to stop from 20 mph than the ebikes I've tested.
  8. EbikeTestLab

    Know Your Average Stopping Distance?

    I've only tested four bikes (more coming in the Spring hopefully) but they all differ in how quickly they stop and the most effective method for emergency braking. And yes, it will vary be rider so one should practice on their bike to know how to stop quickly. You can read about how I do the...
  9. EbikeTestLab

    Ebike Comparison Testing and Review

    Opimax, I do like the idea of comparing a Juiced CCX to a Stromer or one of the other high end bikes. The differences may really show up as mileage accumulates. Thanks!
  10. EbikeTestLab

    Ebike Comparison Testing and Review

    Timpo: Thanks for the suggestions, I'll keep those in mind once I start doing videos. I seek the type of review that I wanted when I purchased my Metro+, a straight comparison of the performance and range from an independent source of several ebikes of the same type. That's the type of review...
  11. EbikeTestLab

    Ebike Comparison Testing and Review

    Howdy folks, I'm thinking of doing something a little different with my ebike testing. I'd like to purchase three or four ebikes of the same type, and then review, test, and compare them much like Car and Driver or other magazines do. The testing would include acceleration, braking, range, and...
  12. EbikeTestLab

    Revolve Rough Rider - EBTL Test Report

    EBTL Electric Bike Test Lab Test Report of: Revolve Rough Rider Tested in October of 2019 by Jason Holmes (Chief Engineer and Owner) Summary The Rough Rider excelled at braking and managed the one mile long hill climb extremely well. The large wheels, heavy weight, and long wheel base...
  13. EbikeTestLab

    Ancheer Mountain Bike Performance, Range, and Hill Test (Ancheer Model AN-EB001)

    The Strava data is coming from a Garmin 530. I did ride up the same hill this morning with the 20 Hz VBox unit but the elevation data isn't great due to the trees that cover the road and reduce the number of satellites that the VBox is pulling from. I'll try it again in a few months once the...
  14. EbikeTestLab

    Ancheer Mountain Bike Performance, Range, and Hill Test (Ancheer Model AN-EB001)

    Map My Ride was suggested earlier so I just mapped out the route there, it just seems to show the average grade:
  15. EbikeTestLab

    Ancheer Mountain Bike Performance, Range, and Hill Test (Ancheer Model AN-EB001)

    I just looked at the app and it doesn't have grade%. So, I logged into through my laptop and I only see a chart that shows the grade percent where the cursor is located. Now, I don't have Summit, perhaps that's the issue. If so, I'll just pay for summit so I have this information in the...