Nice! I Haven't seen a post from Rodney in a while. Are you getting the itch to run some boats again?use a plastic fitting at the water outlet of the head tapped for a 4-40 screw. Then drill holes in the 4-40 screws starting at .020 and going up by .010. I have never needed anything larger then a .060 on a .21 motor. Then use a plastic 90* fitting at the rudder, and drill a .063 hole in the backside of it to bleed off the excess pressure from the restricted water exit. works like a charm, every time.
Someone told me you sell these. I would like one for my VAC 45Bill,
We have a tee fitting that regulates the water flow with a 4-40 screw.
We run them on all of our boats to control the engine temperature.
Send me your email address and I will send you a picture if you would like?
Thanks For Reading,
Mark Sholund
I'd start with an 0.030" hole (#69 drill), I use that size on my 20 mono but have smaller water passages in a custom rudder.I was thinking about soldering the fitting on the rudder shut and drilling it out to a smaller size. The question is what size to start with.I have a .21 rigger with a nova rossi 5 port,50% nitro.
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