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N44VY · 23 September 2009, 02:10 PM

Don't know if you've heard the unique sound an OX-5 with straight stacks makes, loping and clacking along at low RPM, but that is the sound I want to work towards with this Pusher. We are going to have straight stacks, except one reserved for carb heat. I'd like it to sound like one-half of a Merlin, which can be done if we work at it. No silencers for me! The only drawback on a modern engine is that HP comes from higher RPM and fewer cubes. Without a reduction box I can't get the prop down to OX-5 rev's. Still, who cares, as long as it flies. Working on the bamboo front outriggers still. Couple of stumbling blocks, but no drama, yet. Bob C.

23 September 2009, 02:10 PM	#17 (permalink)
N44VY Observer Join Date: Mar 2009 Location: Shenandoah Valley Posts: 58	Engine Noise Don't know if you've heard the unique sound an OX-5 with straight stacks makes, loping and clacking along at low RPM, but that is the sound I want to work towards with this Pusher. We are going to have straight stacks, except one reserved for carb heat. I'd like it to sound like one-half of a Merlin, which can be done if we work at it. No silencers for me! The only drawback on a modern engine is that HP comes from higher RPM and fewer cubes. Without a reduction box I can't get the prop down to OX-5 rev's. Still, who cares, as long as it flies. Working on the bamboo front outriggers still. Couple of stumbling blocks, but no drama, yet. Bob C.