I had an ivo prop on my 1835. It was terrible. I tried to climb over the Guadalupe in South Texas and could not get to 8500 feet. I had to go through a little cut at 6500. It was 90° outside and it just would not climb. I talk to him at Osh Kosh that year and he agreed to take the prop back. I know that a couple people wanted to buy one from him and he said if it was going on a KR he would not sell it. I was not the first one he took the prop back for. I don't know if it's that way still or not. Less palmer put the bigger one on his Subaru engine and I test flew it a couple of times before we removed it. It belong to somebody else so he returned it and made his own prop. I know there are a number Prop makers out there. I ended up using Edd Sterba props and they really worked well. I told him the airplane and the horsepower and he made me a prop that work just right.
Sent from my iPhone > On Oct 15, 2020, at 9:09 AM, Craig Williams via KRnet <krnet@list.krnet.org> > wrote: > > IVO had issues with not staying torqued. If I remember it was for the 4 > banger Lyc and maybe the Cont too. I have one off my O-235 Smith Miniplane > that's a wall hanger now. I would talk to Daryl at Warp Drive first. I have > a 60" 2 blade WD on my Corvair and found it to be no advantage over the wood > Sensenich I took off. No worse but no advantage other than I can play with > pitch angles. The AM13 is only turning at 2250 so it may be worth it to > explore a 3 blade. I wonder why they geared it that way and did not go with a > 2.1 ratio that would have your turning around 2800. Is that an option when > you order the engine? Anyway, Daryl will point you in the right direction. > > Craig > N51CW (old 886MJ) > N6423B > > > >> On 10/14/2020 9:59 PM Kevin Stolhammer via KRnet <krnet@list.krnet.org> >> wrote: >> >> >> First, thanks for all the W&B answers from my last post. My engine is >> hung, and didn't tip over when I removed the hoist, and while I have not >> re-weighed, I know it will be manageable from here. Now back to my new >> dilemma, and that would be as follows: >> I chose the Aeromomentum AM 13 with custom gearing for my fan turner, and >> have the opportunity to use an in flight adjustable prop-probably an >> IvoProp 2 blade at 54" dia (adjusts from 30-90" pitch). So here is the >> question for the group: My intended mission is cross country, do you see >> any real benefit in the ability to vary pitch in flight (I have zero >> experience with such a convenience). The inflight adjustment capability >> adds about 8 lbs to the prop-not really a problem at this stage. >> >> Second question may be entertaining in the answers, but I am particularly >> interested in hearing from those who have actually flown the retracts. I >> built with retracts, and have spent considerable time on "proper fairings", >> because that is what I dreamed about since I was 17 or so (now 62). Now >> I'm thinking that the higher gross weight seemingly available with fixed >> gear, specifically the Diehl package from NVAero, might be a better route. >> Yes Mark, I have read your dissertation a hundred times...yet I doubt. The >> retracts are rated @900lbs, but I desire a gross closer to 1080... >> >> I welcome all opinions, all 800 of you. >> >> Kevin in Washington >> _______________________________________________ >> Search the KRnet Archives at >> https://www.mail-archive.com/krnet@list.krnet.org/. >> Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. >> see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change >> options. >> To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org > > _______________________________________________ > Search the KRnet Archives at > https://www.mail-archive.com/krnet@list.krnet.org/. > Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options. > To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/. Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change options. To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org
