Well, here is a very nice way of doing it.
http://f1.grp.yahoofs.com/v1/0NHbRRP0w4ji7F-Le9uSNGUEP44gR9StkceKv_8vN212h7EHNkP7pyolyRWB5WaAQLs86Apq7RUAq7K7dzvQMx4JI8LhO6UYVy22sxc/PlasticPropPitchChanging.wmv
this file is actually located in the indoor construction files section.
On 2/20/07, jimranor7 <lejinuni_at_gmail.com> wrote:
>
> Actually, thank you for the reply, (I'm sorry)I only dared to get it
> up to 110-120 turns with the 15:1 ratio so like 2000 turns (sorry i
> said 200 turns) in total. Could you tell me a good way to change a
> propeller pitch?
> -- In Indoor_Construction_at_yahoogroups.com<Indoor_Construction%40yahoogroups.com>,
> "Samiur Rahman"
> <groundhawk2006_at_...> wrote:
> >
> > I'm pretty sure your pitch is too high, or you are using too thin
> rubber. I
> > suggest buying fatter rubber if you think you can't change the
> pitch. I
> > assume that the diameter for your propeller is 18.5cm, I suggest
> going at
> > 35-37 degrees for the pitch, trying using a pitch gauge. if you're
> able to
> > get close to 200 turns, you're definitely using REALLY thin
> > rubber.....you're probably using 1/16 rubber. Try using 0.085,
> which should
> > go upto 150.
> >
> > On 2/20/07, jimranor7 <lejinuni_at_...> wrote:
> > >
> > > Hi, I am a high school student. I have a Harlan Cruiser 67 and
> I cannot
> > > get it to climb up to the ceiling. I hear people talking about
> hitting
> > > the ceiling and falling, but my plane will only go up like 6 or 7
> feet
> > > and start descending. The width of the rubber band is whatever
> came in
> > > the kit, and the pitch is as it is for I don't know how to change
> it
> > > without breaking it (I broke 2 of my extras so far). I change the
> pitch
> > > by twisting it in the center, but it never works. The plane has a
> > > positive angle of attack. I wish I can see it go up and hit the
> ceiling
> > > because the plane isn't that impressive when it isn't flying
> high. The
> > > propeller is not spinning fast enough, i think that is why. What
> shocks
> > > me the most is that I put more 100 turns with the 15:1 winder and
> close
> > > to 200, and it went only 6, 7 feet. The best time I had was 34
> seconds.
> > >
> > >
> > >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>
>
[Non-text portions of this message have been removed]
Received on Tue Feb 20 2007 - 21:08:00 CET