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Old Mar 31, 2007, 01:11 PM
Uwe Baier
Guest
n/a Posts
RealFlight 3.5 (which Heli)

Hi,
I'm new here and to the RC-Helicopter (good'day to all).

In RF 3.5 which heli is the best to train for a 'Hirobo Lama 315' with
e-motor (because this one no have there ?
Or can I download a similar Heli some were?

Thanks.
Old Apr 26, 2007, 04:29 PM
Ed Paasch
Guest
n/a Posts
Re: RealFlight 3.5 (which Heli)

Your Hirobo Lama 315 is a counter-rotating dual rotor design. The only
similar helicopter currently available in Real Flight G3.5 is the HeliMax
Axe EZ. Hopefully you will find its flight characteristics similar to your
Hirobo.

"Uwe Baier" <backsida@seed.net.tw> wrote in message
news:8xdd1m3x.fsf@backsida.fqdn.th-h.de...
> Hi,
> I'm new here and to the RC-Helicopter (good'day to all).
>
> In RF 3.5 which heli is the best to train for a 'Hirobo Lama 315' with
> e-motor (because this one no have there ?
> Or can I download a similar Heli some were?
>
> Thanks.



Old Apr 27, 2007, 03:31 PM
Doug McLaren
Guest
n/a Posts
Re: RealFlight 3.5 (which Heli)

In article <HY7Yh.169289$Pi4.131805@newsfe14.lga>,
Ed Paasch <bigedmustafa@hotmail.com> wrote:

| Your Hirobo Lama 315 is a counter-rotating dual rotor design. The only
| similar helicopter currently available in Real Flight G3.5 is the HeliMax
| Axe EZ. Hopefully you will find its flight characteristics similar to your
| Hirobo.

Of course, the stability of these helicopters is not really a function
of the contra-rotating rotors at all, but instead of that flybar above
the top rotor.

That flybar is pretty clever -- very simple, but it makes it so that a
rotation of the helicopter in a pitch or roll direction will cause the
top blade to oppose that motion.

The bottom blade is the one that is controlled when you move the sticks.

Take away that flybar, and glue the top blades down so they have a
fixed pitch and don't flap around, and I imagine your contra-rotating
helicopter will be just as unstable as any other helicopter.

My Picco Z uses a similar flybar, and is just as stable -- and isn't a
contra-rotating model. But there might be some complications involved
in using that flybar and a swashplate to control the blades as well.
(Actually, now that I think about it, I don't think so.)

Having the contra rotating blades does make yaw control a little
simpler, but a heading hold gyro could have the same effect.

Ok, I'm rambling now. Basically, my point is that it's not the
contra-rotating blades that makes your helicopter so stable.

I've never flown a Lama 315, but the Axe EZ in G3.5 does fly quite a
bit like my Blade CX, so I'll bet that's good advice.

--
Doug McLaren, dougmc@frenzied.us
I'm not a bath man myself. More of a cologne man. --Homer Simpson
Old Apr 28, 2007, 07:05 AM
Ed Paasch
Guest
n/a Posts
Re: RealFlight 3.5 (which Heli)

Interesting observation, Doug. I went straight from an Airhogs Helix to an
Exceed R/C Falcon 40. Not having had a Blade CX (and feeling like I'm the
only one who hasn't bought one), I hadn't observed the opposite movement of
the two sets of blades to control pitch and roll.

"Doug McLaren" <dougmc+usenet-20070427@frenzied.us> wrote in message
news:1177701840.11435@frenzied.us...
> In article <HY7Yh.169289$Pi4.131805@newsfe14.lga>,
> Ed Paasch <bigedmustafa@hotmail.com> wrote:
>
> | Your Hirobo Lama 315 is a counter-rotating dual rotor design. The only
> | similar helicopter currently available in Real Flight G3.5 is the
> HeliMax
> | Axe EZ. Hopefully you will find its flight characteristics similar to
> your
> | Hirobo.
>
> Of course, the stability of these helicopters is not really a function
> of the contra-rotating rotors at all, but instead of that flybar above
> the top rotor.
>
> That flybar is pretty clever -- very simple, but it makes it so that a
> rotation of the helicopter in a pitch or roll direction will cause the
> top blade to oppose that motion.
>
> The bottom blade is the one that is controlled when you move the sticks.
>
> Take away that flybar, and glue the top blades down so they have a
> fixed pitch and don't flap around, and I imagine your contra-rotating
> helicopter will be just as unstable as any other helicopter.
>
> My Picco Z uses a similar flybar, and is just as stable -- and isn't a
> contra-rotating model. But there might be some complications involved
> in using that flybar and a swashplate to control the blades as well.
> (Actually, now that I think about it, I don't think so.)
>
> Having the contra rotating blades does make yaw control a little
> simpler, but a heading hold gyro could have the same effect.
>
> Ok, I'm rambling now. Basically, my point is that it's not the
> contra-rotating blades that makes your helicopter so stable.
>
> I've never flown a Lama 315, but the Axe EZ in G3.5 does fly quite a
> bit like my Blade CX, so I'll bet that's good advice.
>
> --
> Doug McLaren, dougmc@frenzied.us
> I'm not a bath man myself. More of a cologne man. --Homer Simpson



Old Jun 27, 2007, 10:08 PM
Uwe Baier
Guest
n/a Posts
Re: RealFlight 3.5 (which Heli)

Hi, and thanks for your followup.

I not talking about the the small little brother of the 'Hirobo Lama SA
315' 30er size, I mean the big one.
The co-axial Lama I have also and know the Axe EZ. The Axe EZ in
G.3 is much more easy to fly than my 'little' Lama.

But back to question: which one is good for training the real one? I
use always the Bell.


 


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