New YouTube Video On Brake Pad Testing By ‘Engineering Explained’ Trending With More Than 1.3 Million Views

New YouTube Video On Brake Pad Testing By ‘Engineering Explained’ Trending With More Than 1.3 Million Views

This popular video compares five brake pad sets (for the same application) using industry-standard tests at NRS' certified testing laboratories. Four tests were performed on the pads using a brake dynamometer, corrosion test chamber and shear testing machine.

The video titled What Are The Best Brake Pads? Cheap vs. Expensive Tested! in just one week, exceeded more than 1 million views. The video compares five brake pad sets (for the same application) using industry-standard tests at NRS’ certified testing laboratories. Four tests were performed on the pads using a brake dynamometer, corrosion test chamber and shear testing machine. Advertisement

Jason Fenske is the engineer behind Engineering Explained. His channel has earned than 2.4 million subscribers in eight years. The pads selected for the test were the original equipment (OE), NRS Brakes Galvanized brake pads and other aftermarket brake pads representing budget ($20), mid-tier ($40) and upper-tier ($60).  

“A huge thanks to NRS Brakes for allowing us to use their facility to complete all of these tests. Their team put a lot of effort into getting this testing completed, and I’m thrilled I get to share this information,” said Fenske. 

The video also educates viewers on the visual clues to determine if a brake pad is high-quality and able to withstand the harsh environment between the caliper and rotor. 

In the video, the pads are subjected to SAE J2522 testing sequences. This standard test measures brake pedal pressure, coefficient of friction and temperature. From the data, the amount of brake fade can be determined. The results showed that the budget brake pads required more pedal effort as temperature increased. The OE and NRS Brakes Galvanized brake pads had a more consistent pedal effort number as the heat increased.

“Turns out there are quite dramatic differences,” said Fenske. “The OE and NRS pads make it apparent that by manufacturers setting standards and requirements for their pads, the performance of the pad will be better, but it comes at a higher price point.” 

After the SAE J2522 test, the same pads were subject to an environmental chamber that simulates approximately two months of exposure to harsh weather conditions, including salt spray. The budget-, mid- and upper-tier all had visual signs of rust. The OE and NRS Brakes Galvanized pads had no signs of rust. NRS Brakes are galvanized and use mechanical attachment to secure the friction material to the backing plate. 

“The cheapest brake pad had substantial rust,” said Fenske. “The rust even crept in behind the friction material because the glue holding the friction material to the backing plate broke down during the performance testing.” 

The pads from the corrosion testing were then subjected to shear testing. As a control, new pads were also tested. The least expensive pads and upper-tier pads both sheared with less force than the typical minimum OE requirement. 

The last test for the pads was a noise test that subjected the pads to 1430 stops. The budget pads had 69 stops that produce noise louder than 70 decibels, 35 of those stops were above 80-decibels. All of the pads produced noise except the NRS and OE pads, The NRS Brakes Galvanized brake pads had ZERO stops that produced sound levels above 70 decibels.

“I’ve always wondered what’s the actual differences are when I walk into a part store and they offer me different tiers of brake pads,” said Fenske. “It turns out there are huge differences and thanks to the help from the engineers and test equipment from NRS Brakes, we now know.” 

For more information on galvanized brake pads, please visit nrsbrakes.com

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