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HelicopterGasser Model RC HelicoptersOther › Sugesstion on what I need for my Gasser??
09-11-2007 08:49 PM  10 years agoPost 1
jascamera

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san francisco, ca

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Hi, Guys

I just bought my first gasser from someone from this forum. It's Vario convert to camership by air-star. It have G-26 with pull start, all servos and gyro, receiver. Since I am a electric heli guy, know nothing about gasser, can someone list what I will need to get it flying and components that are reliable.

Do I need a electric battery source for the spark plug?

I am thinking, I will need a voltage regulator for servos, and battery. But don't know what brand, capacity that I should get.

Also, what is the purpose of the square yellow button above the air intake? Is a engine kill?

Where are some good place to get Vario parts?

Jason

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09-12-2007 01:34 AM  10 years agoPost 2
BrunoBL

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Pomerode, SC, Brazil​ -26.71, -49.17

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Hi,
It have G-26 with pull start, all servos and gyro, receiver. Since I am a electric heli guy, know nothing about gasser, can someone list what I will need to get it flying
With all of the above, you just need the fuel! You do have the sets of rotor blades and transmitter?
Do I need a electric battery source for the spark plug?
No, you don't. Its ignition comes from a magneto, no battery required.
I will need a voltage regulator for servos, and battery
Better yet, get an on-board generator. As long as your engine is running, your battery will be charged.

Can't address the Vario-specific questions, sorry. Let's see if someone else chimes in.


...Bruno.
Spectra G on Avgas 100LL, Jewel generator
T-Rex450SE V2
DX7

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09-12-2007 01:42 AM  10 years agoPost 3
rbort

rrProfessor

Franklin, MA - USA

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The generator thing

And Josef from air-star will be making some mounts for his machines so that will be an easy install for all.

-=>Raja.

MA 1005 Hanson 280, 4136 flts
Spectra 27 3DMax, 3200 flts
Whiplash V1 Hanson 300, 1430 flts
Whiplash V2 Hanson 300, 196 flts

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09-12-2007 02:06 AM  10 years agoPost 4
Excalibur

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Hi Jason:

I second the generator thing. . . I bought one from Raja earlier this year and it has been a fantastic addition to my gasser. You don't really need a voltage regulator, especially with a generator, however, dual batteries (with separate switches) is a good insurance policy.

Simplicity is one of the joys of a gasser. Not that they are any less complex than a nitro machine mechanically, but I am referring to the starting and flying aspects of these machines. You literally only need the bird, your transmitter, and a gas can with a hand crank pump to get it into the air.

Purchase a metal or plastic gas container with a pump, and make sure that it is rated for "gas", not nitro. This means the internals of the pump can handle the rigors of gasoline, and the interconnecting fuel lines will be Tygon tubing. If you look at any pictures of gassers, you will see this bright yellowish-green tubing between the engine and fuel tank. This is the same type of tubing you need on your hand pump and gas can.

As for setup and tuning, do a search in this forum and you will find a great volume of information to help you get going. As always, if you have access to an experienced gasser flier, you should seek out their help first. If not, there is enough knowledge on this website (and others), to help you go it alone. Good Luck!

Xcal

Camper Fuel: It's Not Just for Breakfast Anymore

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09-12-2007 02:13 AM  10 years agoPost 5
shuttlepilot

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Mullins, South​Carolina

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The square yellow button is more than likely a kill switch for the engine.

On the tuning, like was stated before, there is a lot of info in the forums. If it is used and broken it...had a few gallons through it, then the needles should be pretty close to where they need to be. Just for reference, my high needle is just a smidge below 1 1/2 turns out. My low speed in just over 1 1/4 out. Usually once you get a gasser tuned, you don't have to touch it. Remember that unlike a nitro engine, if you have a high speed vibration, and you think it is due to tuning, then the engine is probably just a bit too lean.
Have fun and enjoy a whole other aspect of model helis.....the smell of gas

Gas is Great
Camper Fuel is Better!!
QWW Helis

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09-12-2007 04:28 PM  10 years agoPost 6
jascamera

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san francisco, ca

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I bought a Gray Davis CD to learn more about gasser, but haven't have time to watch it.

You guys never mention radio, servo battery. What size, and type and capacity should I get?

Thanks for the suggestions.

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09-12-2007 05:05 PM  10 years agoPost 7
shuttlepilot

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Mullins, South​Carolina

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9252's on the cyclic/collective work very well on my gasser. I'm running a sub-c 4200mah pack in mine. It will give me at least 1.25 hours of flying time before I get nerveous. The volt watch will indicate that it's on the edge of being "not safe", but with a volt-meter under load it still is holding above 4.8v. The TX is entirely up to you. I know most are going with 2.4ghz nowadays. I'm still using a Futaba 8UHPS on PCM. I will probably continue to use it until I run across a really good deal on something else. I know the resolution of the newer tx's is better, but I don't know if I could tell with my flying ability. If you are thinking about doing AP work with it. It would be best to get something that is more than what you need. I personally don't think I will ever really be able to use all of the capabilities of my 8U.

Gas is Great
Camper Fuel is Better!!
QWW Helis

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09-12-2007 05:50 PM  10 years agoPost 8
jascamera

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san francisco, ca

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Where is a good site to get sub C receiver pack and volt watch?

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09-12-2007 05:55 PM  10 years agoPost 9
Hydroman

rrApprentice

Kommifornia

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get a liion rx pack from fromeco (5200-2S2P), and an arizona regulator with a pin flag switch.

The older I get, the better I was

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09-12-2007 07:02 PM  10 years agoPost 10
shuttlepilot

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Mullins, South​Carolina

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get a liion rx pack from fromeco (5200-2S2P), and an arizona regulator with a pin flag switch.
With this, if you don't have a li-po charger, then you need to get one of those also.

You can get a hydromax 4200 sub c pack at tower hobbies. The volt watch from there also.

Gas is Great
Camper Fuel is Better!!
QWW Helis

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09-13-2007 02:57 PM  10 years agoPost 11
Dr. Fibinotchi

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Sioux Falls SD

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yea

Of course if you choose a generator a smaller nicad will be sufficient.

Which ASI is this? The acrobat? If its stock it will feel very mushy in the head. You can change shims of course to make it feel a little better.

Super machines though. Is this belt of torque tube tail?

-Cody

If you want others to be happy, practice compassion. If you want to be happy, practice compassion.

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09-13-2007 05:12 PM  10 years agoPost 12
AceBird

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Utica, NY USA

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With this, if you don't have a li-po charger, then you need to get one of those also.
Do not mix li-po’s with a gasser! This is a potential bomb; the li-po ignites and the gasoline explodes. There is no reason to do this. If you want the best then use a generator with NiCads or just charge the cells with a normal charger.

With li-po’s in a gasser you are going to need a forty foot trailer and a hazmat warning sign “Explosives on Board” to transport the heli to and fro safely. It may even require licensing. One of the first things you need to understand when switching from electrics to gassers is the respect for the gasoline.

Ace
What could be more fun?

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09-14-2007 02:16 AM  10 years agoPost 13
Excalibur

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HUH???

I think if you took a poll, you'll find there are quite a number of fliers using LiPo's in their gasser's without 40' hazmat trucks or registration. Who the hell are you supposed to register it with anyway? I don't know of any "Federal Bureau of Gassers" in the US government - LOL!

Xcal

Camper Fuel: It's Not Just for Breakfast Anymore

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09-14-2007 03:18 AM  10 years agoPost 14
shuttlepilot

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Mullins, South​Carolina

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Excalibur....

I think ACE thinks about things WAY too much. And this is comming from a guy who staps his gas heli down and runs it up to flying speed.....which is a proven definate NO NO.

If you run a generator, I would just go with a pack of about 1800mah, and let the generator charge it. If you think about it, carrying around a trunk full of heli fuel is not the most safe thing that you can do...lol. Sure, lipos can catch on fire. Honestly, I worry about the gas in my car much more than I worry about the batteries.

Gas is Great
Camper Fuel is Better!!
QWW Helis

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09-14-2007 03:33 AM  10 years agoPost 15
jascamera

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san francisco, ca

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I have ASI Evolution that have a front mount bracket and extra large aluminum landing gear. It have metal head nearly zero play. Very sloid, it's Basically a upgraded Benzine. I think I will get the NiMH pack because I don;t need a voltage regulator, Right? With Lipo, it will be 7.2 volt, which mean I will need a voltage regulator??

Jason

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09-14-2007 03:34 AM  10 years agoPost 16
Dr. Fibinotchi

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Sioux Falls SD

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yes

That is correct. And not the part of exploding either...

If you want others to be happy, practice compassion. If you want to be happy, practice compassion.

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09-14-2007 03:35 AM  10 years agoPost 17
jascamera

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san francisco, ca

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Thanks for the quick reply.

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09-14-2007 03:39 AM  10 years agoPost 18
shuttlepilot

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Mullins, South​Carolina

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Yep, just get you a sub-c pack. Like I said, I have the 4200mah Hydramax...I don't know if that is spelled right. Works very well and the added weight doesn't really affect a gasser....that I can tell.

Gas is Great
Camper Fuel is Better!!
QWW Helis

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09-14-2007 04:18 AM  10 years agoPost 19
Excalibur

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One of the drawbacks of NiMh batteries is the self-discharge rate. If you do some searching on the internet, you'll find they are about 3 times that of NiCad's. That, plus the fact that NiMh's don't like cold weather - they'll lose some capacity under those circumstances.

Still, for the energy storage compared to NiCad's, they're still a viable solution. I run a pair of 2300 mah NiMh's in my PGasser, and when run in conjunction with a generator are a rock solid answer to flight power. This combination is really the best way to go in my opinion.

Xcal

Camper Fuel: It's Not Just for Breakfast Anymore

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09-14-2007 02:22 PM  10 years agoPost 20
rbort

rrProfessor

Franklin, MA - USA

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1 battery is enough

I would go 1 step further and only run 1 battery in conjunction with the generator. More batteries or larger capacity batteries (heavier) to some extent don't add alot of benefit when the generator is on-board. I would use use the largest capacity battery you can get that is still a AA size 4 cell. Personally I used my old NiCDs for over 2 years but when they all wore out/died, I bought two NiMH 2200MAH from the Wram show for $10 a piece (one for each heli) and they are small and light! Only 4oz each!!

-=>Raja.

MA 1005 Hanson 280, 4136 flts
Spectra 27 3DMax, 3200 flts
Whiplash V1 Hanson 300, 1430 flts
Whiplash V2 Hanson 300, 196 flts

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