Search results

I was able to pull the elevation and speed data from Strava, so this comes from the Garmin 530. Files attached.

Unfortunately, I can’t get the grade to come up with my phone and I’ll be without internet and WiFi for the next 8 days (camping in upstate NY). I can look it up when I get back. In the meantime, if someone wants to look it up: the hill climb starts at the American Legion on Ice Pond Road in...

Correct, the Faraday does not have a throttle. Two different riders completed the test at different times, myself at 200 lbs and my daughter at 130 lbs, both weights include instrumentation. It climbed it both times using an average human input of 100 watts or so. The Ancheer did not reach the...

Court sent me an Ancheer Ebike for testing that Mikey had reviewed prior, thanks Court and Mikey! Not surprisingly, it failed during testing... Here's the data, with a failure summary toward the end: Electric Bike Test Lab Test Report of: Ancheer Mountain Bike (Model AN-EB001) Tested in...

Thanks! We do have a few more tests planned for it. My daughter has been riding it all summer to commute to her camp counselor job and has been loving it. I’m glad our testing helped!

I sort of agree but it can only get to zero. If changing the tire pressure only affects rolling resistance, then only the “B” term of the three term equation that defines road load would be changing (A+B time speed + C times speed squares). By changing only the b term at a given speed, the...

I’m not directly measuring rolling resistance. The road load test measures how much power is necessary to keep the ebike and rider at a steady speed, in this case it was 20 mph. However, by varying the tire pressure, the rolling resistance should be the only change. In essence, I have determined...

Absolutely! I’m usually in a hurry though! The chart attached is from my full test of the Magnum Metro+: It shows the non linear increase in power needed as speed increases. Just like with cars, the aerodynamic drag increases with the square of speed.

Good points! The test rider plus instrumentation weigh 200 lbs, I adjust this weight with by adding water bottles to a pack pack so it’s right at 200 lbs every time. The bike weighs 59 lbs. The test surface is smooth asphalt. The tires are Schwalbe Marathons 700x38c. The bike and tires have...

Good Morning EBR folks! I wanted to test the accuracy and repeatability of my road load testing and have some fun with tire pressures. Therefore, I setup my Magnum Metro+ just like the last test, but I aired up the tires to 90 psi and ran the 20 mile per hour road load measurement test. I...

This post explains how I test each electric bicycle for a calculated road load range and determine the real world range: Road Load and Calculated Range Once the brake tests are completed, the road load tests are completed. The purpose of the road load test is to determine the power necessary...

This post explains how I setup each ebike for testing and how the acceleration and braking tests are performed: Ebike Setup and Instrumentation Each Ebike is setup with all of it’s factory supplied equipment such as fenders, rack, lights, and factory pedals. The total weight is measured...

It has the 306 watt-hour battery. Was there a different battery available? I thought they only offered the 306. My daughter can get about 10 miles on full assist riding around our house, where it is extremely hilly. She isn’t pedaling a whole lot. One of these days, I’ll have her do the same...

Both my daughter and I have experienced the front wheel losing traction when first starting out or climbing on grit covered pavement or on a gravel road. I think the main issue is with the upright seating position and swept back handlebars, this puts most of the rider weight on the rear wheel...

Yes, I knew they were closing or are closed. However, my daughter loves her ebike and you can still buy them new so I thought it was worth testing. It struggles a bit with my weight but generally flies with my daughter on the saddle! The biggest surprise is the amount of wheel spin that is...

Rather than post test results to my website, Court and I have an agreement where I will post test results here and he will help get bikes to me for testing. In the spirit of openness and transparency, he has compensated me for this test (and the Magnum Metro + electric bike test). In the...

I've now completed most of the testing on a Faraday Cortland! It was fun to evaluate my daughter's bike with me and her riding it. I still need to do some more testing with it, so results will be updated. Oh and I updated the Metro+ results with hill climb information. It's quite the climber!

Perhaps you could look for an ebike with a gates belt drive? There’s nothing to rust or clean and the belt and gears are self cleaning. There are several on the market. Maybe even a Pedego Latch, which folds up if storage space is an issue. The Faraday Porter and Cortland have belt drives but...

Rather than post test results to my website, Court and I have an agreement where I will post test results here in the EBR forum and he will help get bikes to me for testing. In the spirit of openness and transparency, he has compensated me for this test (and the Faraday Cortland electric bike...

I’ve had something like that for motorcycles but hadn’t considered it for my ebike. I’ll look around as I like the idea!