Great report on a source for props. Do you record manifold pressure at cruise? I like both RPM and MP. What is the displacement of N1852Z ?
Matt On Tue, Apr 29, 2025 at 12:09 PM robert7721--- via KRnet < krnet@list.krnet.org> wrote: > New Hoverhawk Propeller (54x49L) test flight > > 4/29/2025, Time: 9:25 am, Temp 55 deg F > > Static rpm indicated at start of takeoff roll - 3200 rpm. > > Pulled throttle back during climb out to maintain at or below 3300 rpm > indicated. > > Did not go full throttle again. > > Takeoff and climb out - very good performance. > > Leveled out for cruise. Adjusted throttle to achieve 130 mph indicated > cruise speed. RPM indicated is 3200 rpm. > > Propeller felt smoother that previous props. Probably due to dynamic > balancing just completed on the Dynavibe. > > Results. Good but want to confirm Tach RPMs. > > I will buy a new Tachometer next to confirm RPMs. From the Dynavibe > testing, the old Westach Tach may be indicating approximately 200 rpm high. > > I’ll resolve this before proceeding with full throttle testing. > > Thanks, > > Rob Schmitt > > N1852Z > > > > > > > > > > > > *From:* robert7...@aol.com <robert7...@aol.com> > *Sent:* Monday, April 28, 2025 7:41 AM > *To:* 'G R Pickett' <grpick...@hotmail.com>; 'KRnet' <krnet@list.krnet.org > > > *Subject:* RE: KRnet> Need a Propellor and nose fork assembly. > > > > Griff, > > > > Hoping for the same type of performance, but obviously the pitch is > different. I discussed it with the manufacturer over the phone. He is > pretty sure the 49 pitch is what I need. > > > > I’ve always heard that the different Propeller manufacturers have a > slightly different method of measuring the pitch. I am hoping to get the > same exact performance as I had with the Sterba. > > > > I can’t see much difference visually on the shape. The Hoverhawk uses a > clear coat varnish, white tips, the urethane leading edge is black. The > Sterba just had some stain with its varnish. > > > > Rob > > > > > > *From:* G R Pickett <grpick...@hotmail.com> > *Sent:* Sunday, April 27, 2025 8:15 PM > *To:* KRnet <krnet@list.krnet.org> > *Cc:* robert7...@aol.com > *Subject:* RE: KRnet> Need a Propellor and nose fork assembly. > > > > It looks great! Looking forward to the flight test results, when this > rotten wx breaks. > > > > Now, your old Sterba was 54/54, and this new Hoverhawk is a 54/49(L). > Does that mean it’s a bit different than your old one? > > > > Griff > > > > *From:* KRnet <krnet-boun...@list.krnet.org> *On Behalf Of *robert7721--- > via KRnet > *Sent:* Sunday, April 27, 2025 9:18 AM > *To:* 'KRnet' <krnet@list.krnet.org> > *Cc:* robert7...@aol.com > *Subject:* KRnet> Need a Propellor and nose fork assembly. > > > > KR2S repairs completed. > > > > Thanks for Griff Pickett and John Bouyea I have completed the repairs on > my nose wheel and strut. > > > > I received the new propeller from Hoverhawk on Friday. > https://hoverhawk.com/hoverhawk-wooden-propellers/ > > > > Summary > -- > KRnet mailing list > KRnet@list.krnet.org > https://list.krnet.org/mailman/listinfo/krnet > -- 'Any sufficiently advanced technology is indistinguishable from magic’. Arthur C Clarke
-- KRnet mailing list KRnet@list.krnet.org https://list.krnet.org/mailman/listinfo/krnet
