Hi at all,
So, the exterior model is up to 75% ready. The
interior is sticky - if convert my blend.file with the
interior flightgear aborts. :-(
Well, tomorrow I will try it again - 10.000 vertices
at all can't be too much.
Have a look:
www.hoerbird.de/bilder/ec135.prototype2.jpg
Greetings
HHS
--- Maik Justus <[EMAIL PROTECTED]> schrieb:
> Hi Heiko,
>
> interesting link.
> I think I have to improve the rotor simulation to
> cover rotors with
> different airfoils along the blade.
> But first we need the drag/lift curves for these
> airfoils. My short
> search at the web was not successful.
> I am a little bit surprised, that the ec135 uses the
> same airfoil than
> the tiger. Several years ago a eurocopter test pilot
> of the tiger told
> me, that the tiger is nearly not capable to
> autorotate. It's not
> impossible, but he told it's rather sporty and it's
> not unlikely to
> damage the helicopter. I think they want to avoid
> overspeed of the rotor
> at extreme flight attitudes and therefore the rotor
> does not speed up in
> autorotation. This is in agreement with his
> statement, that it is not
> possible to damage the tiger while in flight.
> But I expect the ec135 to be able to autorotate.
> Maybe the twisting is
> different? (But I heard, that the enignes would be
> damaged, if you train
> autorotation, and therefore the ec135 for the german
> Heeresflieger
> ("army") got a modification to be capable to train
> autorotation).
> Maik
> Heiko Schulz schrieb:
> > Hi,
> >
> > I hope to finish the helicopter soon- you see,
> there
> > is some work to do.
> >
> > I used Google and found this wonderful site -
> maybe
> > interesting for the wiki:
> > www.ae.uiuc.edu/m-selig/ads/aircraft.html -->"The
> > Incomplete Guide to Airfoil Usage"
> >
> > For the EC 135 I found out that the EC 135 uses
> the
> > DFVLR DM-H3 inboard and DFLVR DM-H4 outboard - the
> > same than the Tiger uses.
> > Maybe it helps a little bit.
> >
> > Greetings
> > HHS
> >
> > --- Maik Justus <[EMAIL PROTECTED]> schrieb:
> >
> >
> >> Hi Heiko,
> >> I am happy to hear of a new heli for flightgear.
> Of
> >> course I try to help
> >> modeling the parameters for the FDM. Enclosed you
> >> can find a very first
> >> trial. (Fortunately I have done this a few weeks
> >> ago. I hope I will get
> >> feedback from experienced ec135 pilots quite soon
> to
> >> optimize the
> >> parameters to fit the real heli.) But up to now I
> do
> >> not have the
> >> airfoils, therfore I use the naca23012 with small
> >> modifications to meet
> >> the performance of the ec135. (Up to now I did
> not
> >> try very hard to
> >> achieve the overall performance like climb speed
> or
> >> maximum speed. My
> >> first aim is to achieve realistic dynamic
> behavior,
> >> and if this is done
> >> I will try to do the rest.)
> >>
> >> Best regards,
> >> Maik
> >>
> >>
> >>
> >> Heiko Schulz schrieb:
> >>
> >>> Hi at all,
> >>>
> >>> While I'm working on a ASK 21 glider, I began to
> >>>
> >> model
> >>
> >>> the Eurocopter Ec 135.
> >>>
> >>> The exterior model is up to 50-60% ready, the
> >>>
> >> interior
> >>
> >>> model still 0% but in few days it goes with this
> >>>
> >> on.
> >>
> >>> @Maik: I hope you read this - is there any
> chance
> >>>
> >> to
> >>
> >>> get a flightmodel for the Ec 135? I got some
> >>> perfomance data, found on the Euocopter Homepage
> >>>
> >> and a
> >>
> >>> hint for the airfoil.
> >>>
> >>> Greetings to all
> >>> HHS
> >>>
> >>> Picture:
> >>>
> >>> www.hoerbird.de/bilder/ec135.prototype.jpg
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >
>
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> >>>
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> >
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