All Videos Tagged 701/UL350IS (Zenith Aircraft Builders and Flyers) - Zenith Aircraft Builders and Flyers 2024-04-27T23:47:37Z https://zenith.aero/video/video/listTagged?tag=701%2FUL350IS&rss=yes&xn_auth=no WhirlWind 3 Blade Prop tag:zenith.aero,2014-09-30:2606393:Video:382634 2014-09-30T21:45:33.816Z Scott Ehni https://zenith.aero/profile/ScottEhni <a href="https://zenith.aero/video/whirlwind-3-blade-prop"><br /> <img alt="Thumbnail" height="135" src="https://storage.ning.com/topology/rest/1.0/file/get/2180858047?profile=original&amp;width=240&amp;height=135" width="240"></img><br /> </a> <br></br>We flew 4 hrs. with the new Whirl Wind 3 blade prop for the UL 350IS and I must say I am impressed. We started out with 15.5DEG. Pitch to get the 3300rpm for takeoff and the prop would out clime the Sensenich but cruse was the pits. I had to run 300 rpm more than the sensenich to keep up. We then pitched it to 17 deg and could only get 3000rpm for takeoff but the clime was still 1400fpm and now… <a href="https://zenith.aero/video/whirlwind-3-blade-prop"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/2180858047?profile=original&amp;width=240&amp;height=135" width="240" height="135" alt="Thumbnail" /><br /> </a><br />We flew 4 hrs. with the new Whirl Wind 3 blade prop for the UL 350IS and I must say I am impressed. We started out with 15.5DEG. Pitch to get the 3300rpm for takeoff and the prop would out clime the Sensenich but cruse was the pits. I had to run 300 rpm more than the sensenich to keep up. We then pitched it to 17 deg and could only get 3000rpm for takeoff but the clime was still 1400fpm and now I cruse 100rpm less than the sensenich at 96 MPH and 2560RPM. This is the first prop we have tested that preforms better than the sensenich. There is talk that air master might make a controllable prop that will use these blades(I hope so). Next we will test the new Whirl Wind 2 blade.