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Autography FlightPower . Advantage Hobby . Revolution Models

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Gasser Model RC Helicopters > Radikal G-20 build
 
 
helicenter
Veteran
Location: Winter Haven Fl.

My Posts This: Topic  Forum		The Century Radiakal G-20 came yesterday---unpacked and was in aw of the packaging and labeling of the parts,the build is a bit different then what I am accustom to, very simple and high quality.

I will have to take a break and take care of other obligations, I will return with pictures, hope to be flying next week (if things go well))

Doug
10-16-2009 02:27 AM
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bulldog
Heliman
Location: france

My Posts This: Topic  Forum		hello !!

cool news !!

i wait for your picture and test with interest .

bye.
bulldog37...frenchy bulldog
10-16-2009 11:24 AM
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ammo
Veteran
Location: Singapore

My Posts This: Topic  Forum		Pics Please
10-16-2009 12:22 PM
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brw0513
Heliman
Location: Brisbane, Australia

My Posts This: Topic  Forum		Doug,

What's taking so long?

Ian B
10-16-2009 01:03 PM
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helicenter
Veteran
Location: Winter Haven Fl.

My Posts This: Topic  Forum		Radikal

I lost a M2 cap screw on the floor and the Beagle hasnt found it yet, but she will.

Doug
10-16-2009 02:17 PM
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Dr. Fibinotchi
Key Veteran
Location: Sioux Falls SD

My Posts This: Topic  Forum		nice

No pics just video..

Its been snow for two days and now 2 days of rain. Tomorrow is the first day in a week of nice weather. I hope to do some flying for once.


-Cody
10-16-2009 02:53 PM
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helicenter
Veteran
Location: Winter Haven Fl.

My Posts This: Topic  Forum		weather

I know how that Dakota weather works.

Doug


speaking of video, did I miss yours with the Wally engine ?
10-16-2009 02:57 PM
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BeltFedBrowning
Veteran
Location: Albany, MO USA

My Posts This: Topic  Forum		I am guessing that you got the G-10 version. What head did you get? I am very interested on more info from your build so keep em coming!
10-16-2009 03:11 PM
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helicenter
Veteran
Location: Winter Haven Fl.

My Posts This: Topic  Forum		Radikal

Yes it is the G-10 version with the LT head, the other option is the Predator head.

There was some discussion as to the distance from the muffler to the canopy, the canopy is recessed so there is about one inch distance, also the muffler is about the same distance to the fuel tank.

This machine came with Rotortech 620 blades, however putting 660 size will also fit,the helical cut gears are silky smoth, this one has a 13 tooth pinion and a 84 tooth main gear.

Doug
10-17-2009 02:05 AM
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Carey Shurley
Veteran
Location: Orlando, FL

My Posts This: Topic  Forum
Quote 
There was some discussion as to the distance from the muffler to the canopy, the canopy is recessed so there is about one inch distance,
well that answers my original concern. You'd never guess from the photo it was that much space.
10-17-2009 02:53 AM
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MAXHSHV
Veteran
Location: deerriver,mn usa

My Posts This: Topic  Forum		I've got my g20 coming . ordered her last night.do you have any info on the optional gearing.i heard stk gears would get 2000 headspeed, hopeing they make taller to get it up to 2100 2200.

To much power is never enough.
10-17-2009 03:30 AM
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terma-nator
Heliman
Location: Fort Lauderdale, Florida - USA

My Posts This: Topic  Forum
Quote 
Radikal

Yes it is the G-10 version with the LT head, the other option is the Predator head.

What's the difference between the two heads?

Besides the cost difference, is there HD head any better?
Why would you upgrade to that head? They're both plastic, right?

I don't know anything about century, but am now considering getting one of these.
10-17-2009 05:47 AM
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helicenter
Veteran
Location: Winter Haven Fl.

My Posts This: Topic  Forum		Radikal

I believe there is a total of 4 gearing ratios, the HD head is Predator, go to the Helicenter.com or Century web site and go into the parts section and see the difference, the Predator also has an all metal head.

Doug
10-17-2009 12:26 PM
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MAXHSHV
Veteran
Location: deerriver,mn usa

My Posts This: Topic  Forum		what are they and what is the stk ratio?

To much power is never enough.
10-17-2009 03:23 PM
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Tap or Snap
Senior Heliman
Location: Springhill, Fl

My Posts This: Topic  Forum		I also ordered a Century Radiakal G-20 LT. Its on its way. Does the fan/clutch assembly get dial indicated for least runout like the bigger Predator and Spectra G?



Jeff
10-17-2009 08:01 PM
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pgkevet
Key Veteran
Location: surrey UK

My Posts This: Topic  Forum		I note that the new century slim muffler for this is also rated upto 27cc zenoah..I wonder who'll be first to try it on a 3dmax?

pgk
10-17-2009 10:20 PM
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helicenter
Veteran
Location: Winter Haven Fl.

My Posts This: Topic  Forum		Radikal

I think the stock ratio is 13/84 , 14, 15, & 16 would be the other pinion sizes.

The clutch design is different than the Predator, the fan fits on the crankshaft with a keyway and fool proof from there. this one had no measured runout.

With the 16 tooth pinion that would give you about 2200 head speed, with a 10 lb. machine that should be pretty good.

Doug
10-17-2009 11:00 PM
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MAXHSHV
Veteran
Location: deerriver,mn usa

My Posts This: Topic  Forum		sounds good to me , just what i was hopeing for, now since there is no parts listing for the g20 yet , doen't suppose you have part numbers and availability info?

To much power is never enough.
10-17-2009 11:50 PM
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MAXHSHV
Veteran
Location: deerriver,mn usa

My Posts This: Topic  Forum		hey those gear ratios don't compute, and in the pictures the main gear looks pretty small maybye 64 or so.14 /64 would put it about 1850 hs at 8500 rpm ( witch is the peak according to the horizen motor info)

To much power is never enough.
10-17-2009 11:56 PM
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helicenter
Veteran
Location: Winter Haven Fl.

My Posts This: Topic  Forum		Radikal

Well lets check it again, I just went out in the shop and counted 84 teeth on the main gear, if we used a 16 tooth pinion that would give us a ratio of 5.25-1 , run the engine like a 231 at 12,000 rpm you will have a head speed of 2285.

Doug
10-18-2009 01:10 AM
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Gasser Model RC Helicopters > Radikal G-20 build
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