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Steam Stationary Engines, Traction Engines

Impact of flywheel width on dyno


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Old 05-11-2013, 10:11:09 PM
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Beth V Beth V is offline
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Default Impact of flywheel width on dyno

Here's my favorite McLaren Road Locomotive Boadicea pulling on the dyno. Several thoughts:
  • That has to be fun (NOT) to belt with such a narrow flywheel.
  • I wonder if it would pull more hp than 100 if the flywheel was wider so they could use a wider belt? ..especially as it operates at like 210 psi (if my memory serves)
  • Is the noted "100 hp" on the same scale as ours?
  • That safety valve impeded my ability to hear the engine work.
  • Does anyone know how this "dyno" compares to our dynos & prony brakes over here?

http://www.youtube.com/watch?v=Ja026iAjVvQ
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Old 05-12-2013, 09:32:18 AM
Bill Hazzard Bill Hazzard is offline
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Default Re: Impact of flywheel width on dyno

A wider belt will transmit more power and would help only if the belt slips as it did right at the end but I suspect it slipped on the dynomometer end as that pulley is much smaller in diameter.
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