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JR-Spektrum . E-flite . Fast Lad Performance

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Gasser Model RC Helicopters > Align Gas Conversion fever
 
 
zorba
Senior Heliman
Location: Montreal, Quebec, Canada

My Posts This: Topic  Forum

wow that was quick. Of course at that price no wonder. Good luck with the 700 project Peter.

Cheers

Never too old to learn...and never too young to do it again. And the ground always wins..
03-08-2009 11:09 PM
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Fixit
Elite Veteran
Location: UK

My Posts This: Topic  Forum		The 20cc 600 has now gone and I was sad to see it go but it couldn’t have gone to a nicer chap and lets face it, I'd built it and flown it so now its time to move on and get my hands dirty again Happy Flying Dave.

Now I have the funds to spend on the 700 conversion its all systems go, I will be collecting some alloy sheet tomorrow so in a couple of days I should be well on the way with it.

Fixit
03-10-2009 01:55 AM
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Fixit
Elite Veteran
Location: UK

My Posts This: Topic  Forum		I picked the Alloy up this lunchtime and I've been in the workshop and this is the end result.
I wanted to try the engine in the frames but those bloody Philips screws in the base are rock solid and typically I've run out of gas.

03-11-2009 03:39 AM
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zorba
Senior Heliman
Location: Montreal, Quebec, Canada

My Posts This: Topic  Forum		Hah, thats all you did since lunch?
Just kidding.
Looks good. I was wodering how much it will cost just to buy the parts needed to do the conversion instead of a complete 700 kit.
I'm just thinking out loud.

cheers

Never too old to learn...and never too young to do it again. And the ground always wins..
03-11-2009 03:55 AM
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Fixit
Elite Veteran
Location: UK

My Posts This: Topic  Forum		Hi Bill
Yes thats all

Quote 
I was wodering how much it will cost just to buy the parts needed to do the conversion instead of a complete 700 kit.
I'm just thinking out loud.

I thought about that but just look at the price of the one way bearing, main gear and the head setup it soon mounts up.
03-11-2009 04:25 AM
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Billme
Elite Veteran
Location: MS

My Posts This: Topic  Forum		All of you that have experience with the G20 on these conversions, what are your feelings on the G20 engine?

Bill
03-11-2009 04:37 AM
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Fixit
Elite Veteran
Location: UK

My Posts This: Topic  Forum		I’ve had problems with the Philips screws in the Zenoah base before but this one was a nightmare
I now have the engine and base in place and I’m pretty much at a standstill until the other parts come, dam I hate to break off when things are going so well

03-11-2009 03:08 PM
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Fixit
Elite Veteran
Location: UK

My Posts This: Topic  Forum
Quote 
All of you that have experience with the G20 on these conversions, what are your feelings on the G20 engine?

Well the pull start can be a swine on the 20cc but I think using the Hanson Pull system might help it, apart from that I can’t really fault the 20cc, it has more power than I thought and was happy running between 11,000 and 12,000 RPM in the 600 but for me having to contend with another battery defeats what I was trying to achieve with a gasser.
03-11-2009 03:17 PM
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copperclad
Elite Veteran
Location: NY

My Posts This: Topic  Forum
Quote 
All of you that have experience with the G20 on these conversions, what are your feelings on the G20 engine?

Bill
Hi Bill
I can say i pretty much agree with Fixit , I'm just a sport pilot and the 600g with a G-20 had plenty of power for me , the only drawback was the two batteries for the system , i have read a few reports of people flying with a single battery and not having any trouble , and i have run a couple of systems that way ( on the bench ) , and it seemed fine

so i have been leaning more towards dropping the second battery and installing a rectified and regulated brushless setup for backup power

i don't like the stock EI unit that comes with the Zenoah , and have been ditching them for after market units that draw about a fith the power , cheers
03-12-2009 12:17 AM
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zorba
Senior Heliman
Location: Montreal, Quebec, Canada

My Posts This: Topic  Forum		Frames look good Pete.
Is that a 2mm alloy?
I wonder what the frames would be like if they are made out of Kevlar?
HHHMMMMMMM???????

Just thinking out loud..

Cheers

Never too old to learn...and never too young to do it again. And the ground always wins..
03-12-2009 12:54 AM
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Billme
Elite Veteran
Location: MS

My Posts This: Topic  Forum		ok, thanks for the info, I will respond later on......

What about our Euro and Asian pilots friends reading this?
I would like to hear from you as well...

Bill
03-12-2009 12:59 AM
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unochen
Senior Heliman
Location: Taipei,Taiwan

My Posts This: Topic  Forum		Hi Peter

I was excited want to look that it completes.
03-12-2009 02:22 AM
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nowinkk
Heliman
Location: LandBelowTheWinG

My Posts This: Topic  Forum		Me too. I am hesitating whether to convert a Trex 600 using Zenoah G20EI or a Trex 700 using Zenoah G260RC until I have a clearer picture of how others do it. I already have both engines in hand pending air frames that I have to buy either new or used.

I am keeping track of this thread as well as others concerning the conversion.

Great job you all are doing. Keep it up.
03-12-2009 07:27 AM
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victor55ca
Senior Heliman
Location: Vancouver BC

My Posts This: Topic  Forum		Where will the center of gravity be? It looks a little nose heavy?

victor55ca
03-12-2009 08:53 PM
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Fixit
Elite Veteran
Location: UK

My Posts This: Topic  Forum
Quote 
Where will the center of gravity be? It looks a little nose heavy?

Good question Vince I hadn’t given that much thought but now its assembled its obvious everything on the 700 is up front so I might have to make this one a rear facing and copy the 600 servo layout.
03-12-2009 09:45 PM
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Fixit
Elite Veteran
Location: UK

My Posts This: Topic  Forum		Victor55ca
I’ve just added the boom with tail box and without the tank in place its tail heavy so I think it will be fine, there’s plenty of room above the tank for the battery and the like should I need it.

03-13-2009 01:22 AM
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pgkevet
Key Veteran
Location: surrey UK

My Posts This: Topic  Forum		Now that looks cool! Promise if it works you'll get those frames anodised and a Union flag canopy!

pgk
03-13-2009 08:30 AM
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Fixit
Elite Veteran
Location: UK

My Posts This: Topic  Forum		Thanks for the heads up pgk,
I would like to get the frames anodised if that’s possible but locally I think it would have to be stove enamel, what colour would you like with the Union Jack canopy, red blue or white?.
03-13-2009 10:37 AM
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pgkevet
Key Veteran
Location: surrey UK

My Posts This: Topic  Forum		..as it goes was reading up on DIY anodising a few days ago.. worth a google search. Not so impractical. Staining the finish is another matter... to match the rest probably have to be black..or a tasteful canary yellow

pgk
03-13-2009 04:05 PM
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JuanRodriguez
Elite Veteran
Location: Rochester, New York

My Posts This: Topic  Forum		Having done "Home Anodizing" ( I actually wrote an article published in Model Helicopter Technique a few yrs ago), I can tell you from personal experience that it would be impractical if you're going to just to do a set of frames.....There is a learning curve in order to to be successful at it and most people would not want to dedicate the time it would take to get it right.....
03-13-2009 04:37 PM
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Ace Hobby . Esprit Model . Thunder Power RC

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Gasser Model RC Helicopters > Align Gas Conversion fever
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