What is the recommended maximum voltage for a Hawk 7 motor?
Hawk 7 motor
Started by
Dave_12
, Jun 24 2024 04:15 AM
2 replies to this topic
#1
Dave_12
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Posted 24 June 2024 - 04:15 AM
David Rees
#2
MSwiss
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Posted 24 June 2024 - 12:48 PM
It's no different than any other slot car motor.
Gear it for the power level for the track you race on, which is most likely somewhere between 12-14.3V.
FWIW, the Hawk 7 is a popular drag motor.
Drag strips will regularly run 16-16.5V, but of course, for just a split second.
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Mike Swiss
Inventor of the Low CG guide flag 4/20/18
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Five-time USRA National Champion (two G7, one G27, two G7 Senior)
Two-time G7 World Champion (1988, 1990), eight G7 main appearances
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#3
Bill Seitz
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Posted 24 June 2024 - 07:25 PM
Some motors of this type say on the package "12 volts". I've seen a few that indicate "12 volts maximum". I've never seen anyone anywhere really adhere to such voltage recommendations, and they're often run to 13.5 or more volts. In practice, the maximum voltage is usually whatever they don't fail at. Higher voltage makes faster cars, but it also shortens motor life. It's best to use the lowest voltage that's fast enough. When slot car tracks were auto battery powered, unless the charger was running and the batteries were fully peaked (not often once cars start running), the voltage tended to be around 13.2 volts down to 12.6. Now many tracks are at least 13.5 and stay there indefinitely.
