With the prop I have the experience that it works realy great if you have a inflight adjustable. The engine is making less rpm and the take off performance is very short. If I would build it again I should use again in flight adjustible.
Stef > Op 15 oktober 2020 om 3:59 schreef Kevin Stolhammer via KRnet > <krnet@list.krnet.org>: > > > 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 Steph and his dad are building the KR-2S see [http://www.masttotaalconcept.nl/kr2](http://www.masttotaalconcept.nl/kr2) _______________________________________________ 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