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I am heading to Haarlem in the Netherlands for the IMBRA race in August. I have been working on new muffling but am having trouble getting the db under 82. The exhaust is quiet on the bench so the intake is beginning to dominate the sound level. My meter shows a drop of 4 db between the...

Just working on a new boat and have digital servos installed. Two of the three seem to whine a lot and it seems to be due to the slight pressure my seal exerts on the control which keeps a small amount of pressure on the servo. This is causing the servo to try to maintain position and to...

I put together a .21 Seaducer SD3 this summer but I'm have a big problem getting it un-stuck from the water. I know the built in hook in the bottom is designed to keep the hull in the water but what I have is way too far stuck. The hull contacts the water hard from about 4 inches back from...