RV8 - Ron Keilin
The new Rod Bower Ram Air induction for the horizontal air intake on my IO-360 is beautifully engineered and fits perfectly. It has increased manifold pressure by about 1.5 inches and airspeed of 3-4 knots. I highly recommend it.
Variable Oil Cooler Valve
Cold Air Solution
Flight tested this morning. Outside air temp was 46 degrees at 4,500 feet. Oil temp leveled off at 161 degrees. I closed the door about 85% of completely closed, (not sure what 100% would do) and the oil temp rose to 179 degrees. I then left it there for the remainder of the flight. Oil temp did not vary more than 5 degrees during loops, rolls, and Cuban 8’s and then returned to 179 in level flight. No change in the decent, but at 1,000 feet, I opened the door to 50% because the outside temp was 58 degrees. After landing, I opened the door completely, and taxied in with the oil temp reading 165 degrees. This unit works great and installation is simple. I wish I would have done this two years ago, after the first cold flight. I would highly recommend this design for any cold weather flying.