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06-05-2015 09:49 AM  4 years ago
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mrgnz

rrNovice

new zealand

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new to century
I have been a align electric flyer for a couple of years now and have just gone to a radikal g30 due to the high price of batteries here in new Zealand and from what I have read I am worried, I know there are problem's with the company because I cancelled my order for a conversion kit for a rex and the sent it to me for free anyway so I should not complain, that is why I brought the g30 because that made it a lot cheaper when you get the motor for free. So where the trouble spots on the heli I see form the talk that the clutch can be doggie (which I know nothing about) but from what I can see the heli looks good, mind you I have only put one tank of gas through it on the ground so its early days. I have noticed that the clutch bell has some play in it and when I turn it by hand I can here it rubbing like metal to metal but like I said it has play and when I push it up with my fingers it stops rubbing, should it be doing this? also the tail rotor looks way to small for a 700 I know its about headspeed but how big do we go or will it hold well just the way it is. and what about pitch and throttle curves I am not flying 3d yet ( shell I set it up the same as my electric)f mode 87% throttle flat and pitch linear. I think I read that the head or the motor will over rev. I am not using a governor, should I? and what one? will a governor give me the rpm output and/or the head speed. now I am open to all comments good or bad so lets have it. cheers
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06-05-2015 03:52 PM  4 years ago
Pistol Pete

rrProfessor

Seffner, FL

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when I push it up with my fingers it stops rubbing, should it be doing this
Could be that the starter shaft/coupler needs adjustment

As for the rest...
https://rc.runryder.com/t96252p1/
and
https://rc.runryder.com/t624319p1/
~~Enjoying the hobby one flight at a time~~
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06-08-2015 05:48 PM  4 years ago
oldfart

rrProfessor

Vancouver, Canada

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You have a very powerful and capable heli in the G-30V2.

+1 to Pistol Pete. I am sure the vertical play in your clutch bell is because the hex coupler was not secured to the start shaft in the proper location while being assembled.

As for tail rotor size. The G-30 has a relatively long boom so it is working through a very effective moment arm, so 95mm to 110mm blades will work well.

The top end of the pitch curve will depend on the power system being used and the rotor speed you want to fly with (lower speed for more gentle flying and higher rotor speed for more lively flying.

The throttle curve on any internal combustion powered heli is very different from an electric powered heli and is far more directly related to the pitch curve.

This is why we say that the learning curve to fly any type of IC powered heli (glow/nitro or gasoline) is much steeper then an electric as one has to now learn how to properly set the needle valves on the engine, and then to match the throttle opening to the powered required to turn the rotor at the desired rpm and at the various pitch settings.

As for the over revving, that is not much of an issue if your pitch and engine tuning needles, throttle curves are set properly.

Yes a governor will open and close the throttle barrel in order to keep the rotor speed constant relative to the collective and cyclic pitch changes that happen while flying. But it will not work properly until the engines tuned properly with the proper needle settings on the carburator.

What engine, muffler and blades are you using?
Phil
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06-11-2015 09:31 AM  4 years ago
mrgnz

rrNovice

new zealand

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ok thanks, the blades are rotec 710mm, motor is a Zenoah g231 puh and the muffler is a tuneable pipe unsure of the brand it came from world helicopters. I see on the cdi that there is a tacho wire will this run the governor if not a tacho what?
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07-31-2015 10:20 AM  4 years ago
myjane

rrApprentice

new zealand

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Hi mrGnz the clutch bell need a fine washer over the bearing and under the clutch bell , it worked for me
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