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, "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]
>
Received on Tue Feb 20 2007 - 20:34:10 CET
This archive was generated by Yannick on Sat Dec 14 2019 - 19:13:44 CET