Just as I imagined the WW151H would perform in the RV-3
Thanks for the reply Paul. I have a WW151H I removed from my RV-6 in order to mount the WWRV200 in it's place, more on this in a minute. After I had painted the 6, it changed the CG rearward enough that I was willing to gain 10lbs of empty weight to try to get back some of my luggage capacity, by placing that 10 lbs as far forward as possible. And that's with the 11 gal auxilary carbon fiber fuse tank mounted between the panel and firewall which I've described in a detailed post in the 6 forum.
Since I was 192 lbs and the empty weight of the 3 was 841 lbs when I got it the end of August, already the gross weight was an issue. So, I removed a second heat muff up front and all associated plumbing, changed from a PC 680 to a B&C, changed from a KT76A and Icom A200 to a Microair pair, took 1 inch out of the Oregon Aero seatback for more legroom, and I personally lost 12 lbs, the empty weight is now 831. With a 180lb pilot, 180 lbs fuel I can now carry 9 lbs of baggage before I hit the 1200lb gross.
Now back to the WW151H prop (just gone through by WW at the 350 hr mark) laying around in the hanger begging to be installed. I looked at Randy Lervold's site and from what I can tell I would gain about 16 lbs or so if I installed it factoring in the Jihostroj governer and bracket, high pressure line and vernier controller and the prop itself. The engine is an O320E2D hollow crank wide deck with high compression pistons, dual Pmags with 650 bottom end and 80 top.
This would require me to change to a Sky Tec XLT and PlanePower lightweight starter alternator combo, a magnesium Sky Dynamics flywheel, pull the engine and cut my firewall to install a governor box and modify or replace my old style 12 in cowl with a 13 in to match the carbon fiber WW spinner. Which, oddly enough I would still like to do, I just love the performance of the WW CS props. But I'm going to hold off until I see what I can extract from the airframe without the CS.
After looking at the performance of Randy Lervold and yourself in your beautiful RV-3s, I kind of thought I would be spending money and effort to dial the prop back in cruise. Another option is to go to the as yet unreleased new profile Catto prop SmokeyRay alluded to in a recent posting. But that darn WW151H is just staring at me every time I go into the hanger......