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post #1 of Old 08-12-2013 Thread Starter
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Atomic 4 Throttle

I was motoring a narrow channel and noticed I was going a little slowly so I gave it more throttle. I noticed that idle worked and maybe 1/4 throttle worked but pushing the lever further made no difference.
The engine would typically race if I gave it a lot of throttle. This time the rpm stayed at about 1/4 or less.

Once out of the channel I shut off the engine and checked the throttle cable.
I checked that it operated smoothly throughout its full throw.
The casing seemed to be securely fastened to the block. The center wire was securely fastened to the throttle lever.
The throttle lever was securely fastened to the axle that it attaches to.

After playing with it but not really doing anything I started up the engine and it worked fine for several hours till the end of the sail.

What do you think happened?

The throttle assembly was recently replaced and it works smoothly.

The lesson from the Icarus story is not about human failing.
It is a lesson about the limitations of wax as an adhesive.
If you have an engineering problem solve it.

Last edited by davidpm; 08-12-2013 at 05:00 PM.
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