Europa-List Digest Archive

Tue 04/27/21


Total Messages Posted: 2



Today's Message Index:
----------------------
 
     1. 01:23 AM - Re: Cruise speed data for Monowheel with 912ULS (Remi Guerner)
     2. 04:41 AM - Re: Re: Cruise speed data for Monowheel with 912ULS (Pete)
 
 
 


Message 1


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    Time: 01:23:15 AM PST US
    Subject: Re: Cruise speed data for Monowheel with 912ULS
    From: "Remi Guerner" <air.guerner@orange.fr>
    John, Surprisingly the Rotax Owner website does not show the Rev 2 of this SL. To get R2, search the Rotax factory website https://www.flyrotax.com/home.html Remi Read this topic online here: http://forums.matronics.com/viewtopic.php?p=501530#501530


    Message 2


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    Time: 04:41:52 AM PST US
    From: Pete <peterz@zutrasoft.com>
    Subject: Re: Cruise speed data for Monowheel with 912ULS
    Im having trouble finding the R2. Even from the rotax site. Anyone have a direct linky, or attach? Many thx, Pete > On Apr 26, 2021, at 12:30 PM, n7188u <chmgarb@gmail.com> wrote: > > > I want to thank all of you that participated in this discussion. I personally have to say I have learned a lot in the subject of operating a Europa with a GA prop. > > I think that of particular value has been all the data received regarding RPM/MAP and speeds for the Europa monowheel. > > The discovery of the latest Rotax SL-912-016 is of particular interest. I still need to read this SL in detail but the chart presented is a total departure from all the information presented in the past. If I interpret it correctly, with RON 95, you have to be at 5500 RPM to be 100% sure you will not have a detonation event at WOT. On the other hand, anything over 4000 RPM with RON 98 @ WOT is safe. > > In the usual Rotax way, it leaves you scratching your head but I welcome the change. For now I decided to switch to premium 93 octane (US) straight E10 fuel. I was using 50-50 ethanol free 90 and premium 93 but in light of this chart I think the gain is safety, while I experiment with my prop, is huge if using the higher grade gasoline. > > But one set of data is of particular interest to me and would like to discuss further: > > JohnFrance: Your claim of being able to cruise at 5100/28" at 135 kts (indicated?) while still climb 5200/WOT at 65 kts is amazing and want to learn more. I do have a DUC Swirl that makes similar claims and once I finish testing my Woodcomp (which is not looking very impressive so far) I will try the DUC. But would like to learn more about this EProps V20. > > Great thread guys. this info is so important for those getting started with operating a Europa. (my next topic will be fuels :) ) > > Best Regards, > Chris > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=501525#501525 > > > > > > > > >




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