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I forgot to add, the Ivoprop Mag. is the high pitch version. I had an chance to see side-by-side at Sun-n-fun this year, a Kiss w/Eggenfelner sub. & Ivo Mag. low pitch & what looked like a mini mustang w/Ivo Mag. high pitch, large diff. at root near spinner, more prop less log, thanks, David.
-------------- Original message --------------
From: John Slade <sladerj@bellsouth.net>
> >John Slade seems to have good experience with his, on a turbo rotary
> cozy.
> Well it certainly makes take off from a short field easier, but I can't
> really speak about high speed cruise. I haven't pushed it at speed to
> see what it'll do yet.
> John
>
> David Staten wrote:
> > Dave,
> > What are you putting it on? As in.. pusher.. tractor.. fast mover..
> > slow mover.. John Slade seems to have good experience with his, on a
> > turbo rotary cozy. His is in-flight adjustable, without the constant
> > speed option.
> >
> > However, Tracy himself used an Ivo on his rotary RV4 and he feels
> > that it wasn't up to the task, and caused a performance penal
ty over
> > over 10 knots on the high end cruise.
> >
> > Theories abound about the conflicting results.. Some have
> > speculated that the canard fuselage blankets/blanks the inner portion
> > of the prop disc, which doesnt change pitch when the IVO is adjusted.
> > This may be a source of flat plate drag area on tractor's where this
> > area is exposed to the oncoming slipstream..
> >
> > I've got an Ivo Magnum sitting on the back of our Velocity, but its
> > just for show for the moment.. havent fired the engine up yet.
> >
> > Dave Staten
> >
> > Ed Anderson wrote:
> >
> >> Dave, I have absolute no experience with any prop other than the
> >> fixed pitch wood Performance Propellers. Several guys on this list,
> >> however do have in-flight adjustable IVO props, so they will probably
>
>> respond.
> >>
> >> Ed
> >>
> >> ----- Original Message -----
> >> *From:* hoursaway1@comcast.net
> >> *To:* Rotary motors in aircraft
> >> *Sent:* Monday, June 19, 2006 6:58 PM
> >> *Subject:* [FlyRotary] Ivoprop
> >>
> >> Ed; This is Dave Cook, we met at several Sun-n-Fun flyin's
> >> including this year. Do you (or anyone else reading) know anything
> >> about the Ivoprop magnum inflight adjustable, am still shopping
> >> for a prop, will need to make a choice VERY soon. Application will
> >> be; RV6A 13B Turrentine build w/mods done, RWS EC2, EM2 &
> >> PSRU-B, 3.5" throttlebody. Thanks, David.
> >>
> >
> >
> > --
> > Homepage: http://www.flyrotary.com/
> > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/
> >
>
>
> --
> Homepage: http://www.flyrotary.com/
> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/
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