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Lynn Hanover < Lehanover@aol.com > wrote:
Paul Yaw cannot charge enough for dyno time. If he stops work on his engines to rig up a customer built engine, it will take a bunch of time and then there is the possibility that the outside engine is crap and disintigrates on the dyno. Then what?
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Plus the liability if your project dies on his dyno.
Lynn,
Those two parts, I understand. However ...
So there is no way a popular engine builder can take time out from what he's up to and blow 8 hours of his and his dyno's time. Or at least you couldn't afford it if he would.
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You pay him at least for 8 hours to get less than one hour of data and tuning if it doesn't blow up.
A year ago, when Paul gave me a quick tour of his newly reconstituted shop (after moving from Tucson to Phoenix) he actually quoted me a figure for dyno time - basically describing, as you said, that a session would have to be scheduled for at least six hours. I figured once I got the engine built and run in, it would be worth $800 to get confirmation that I was getting the ponies I was seeking.
Perhaps he thought I was going to buy an engine from him?
I don't think so - considering that I started out asking about sources for some parts I needed, and talked about the engine I was building for my "off-road" vehicle.
I'm assuming that this is a policy change due to his shop being busy enough now, that he no longer needs the income from taking in outside work.
A simple chassis dyno is ...
Thank you very much for the idea. It isn't directly applicable to my situation, because I don't have a car to use as a "chassis" test bed. However, it did give me an idea - using a gang of disc brake assemblies, for creating an engine dyno that might come in at under $1000. (Actually, a direct coupling to the truck rear-end might do the job - if the brakes are big enough and I can figure a way to take the strain reading directly from the axel housing.)
Dale R.
COZY MkIV #1254
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