Hawk, TBR7 and Magician top speed averages.

OneLeggedRider · 09-01-2019, 09:23 PM

Let me first state it wasn't my idea to compile the group data, that honor goes to a bright young fella named Aaron P. All I did was crunch the numbers. He's going to map out a more detailed chart that includes gear ratios when enough folks have reported in.

The parameters included the general mods, sprockets jetting pipe etc. and bike model. All speeds have to be GPS confirmed on flat ground sitting up and not drafting an automobile.

With 25 members reporting in, 19 Hawk which included 1 Bashan Storm, and 6 TBR7 and Magician (I lumped them together because those 2 put out nearly identical numbers and didn't seem to be affected as much by rider weight), here's what I came up with.

The Hawk class top speed average is 62.26 mph (which didn't surprise me).

The TBR7/Magician class average is 68.66mph (guess those smaller diameter tires do make a difference).

The average American China rider weighs 221lbs. Now this did surprise me, these after all are little 229cc bikes so I figured the average owner would be about 180lbs.

I haven't done any speed runs since I went up to the 13/33 ratio but it seems the 66mph I got with the 12/33 was very respectable.

09-01-2019, 09:23 PM	#1
OneLeggedRider Join Date: Nov 2018 Location: Stockport, Oh. Posts: 1,442	Hawk, TBR7 and Magician top speed averages. Let me first state it wasn't my idea to compile the group data, that honor goes to a bright young fella named Aaron P. All I did was crunch the numbers. He's going to map out a more detailed chart that includes gear ratios when enough folks have reported in. The parameters included the general mods, sprockets jetting pipe etc. and bike model. All speeds have to be GPS confirmed on flat ground sitting up and not drafting an automobile. With 25 members reporting in, 19 Hawk which included 1 Bashan Storm, and 6 TBR7 and Magician (I lumped them together because those 2 put out nearly identical numbers and didn't seem to be affected as much by rider weight), here's what I came up with. The Hawk class top speed average is 62.26 mph (which didn't surprise me). The TBR7/Magician class average is 68.66mph (guess those smaller diameter tires do make a difference). The average American China rider weighs 221lbs. Now this did surprise me, these after all are little 229cc bikes so I figured the average owner would be about 180lbs. I haven't done any speed runs since I went up to the 13/33 ratio but it seems the 66mph I got with the 12/33 was very respectable.
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