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HelicopterCentury Radikal G20-30 N640 Hawk Predator › Century Predator Gasser - Carbon or aluminum​frames
10-24-2004 01:58 AM  13 years agoPost 1
bmwtcr3

rrNovice

Davenport, IA

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Hey guys - Looking for some advice - Am sold on Century, and am trying to decide whether it is worth it to spend the extra money for the carbon frame versus the alumnum?
Just getting into Gassers, and the engine choice is solid that they offer, I know it well from planes.
Also, any other advice or items to consider would be appreciated.

Thanks

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10-24-2004 04:16 AM  13 years agoPost 2
SteveH

rrProfessor

Texas

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The carbon frames will save about 4 ounces. IMHO you want the aluminum elevator "A" arm. Gear choice and blade choice is yours. Lots of folks recommend the push/pull elevator upgrade, but I have two and don't use it, don't miss it.

The government cannot give you anything without first taking it from someone else.

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10-24-2004 04:20 AM  13 years agoPost 3
AGRAV8

rrProfessor

Mosquito​Coast......Houston​Texas

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I think so......

the carbon should hold up to a minor mishap better than the metal ones...and you get some additional features with the carbon one. Tail servo relocation, elevator push pull.....

I personally suggest some changes to the kit....larger main blades, etc. As for upgrades, the metal A arm needs to be swapped out.

Ricks has some carbon machines arriving that have these changes done already.....you might want to call Ron Lund on Monday.

The other things to add on, for either kit......a different fuel clunk, some tygon tubing.....and tank fittings.

As for engine choice? For where you are at in your flying.....a 231 would be a great choice......and the modified 26 would work well too......

Get a 13 tooth pinion......6.7 ratio for either engine will be nice.

Hope this helps. Any other questions, shoot me a PM.

James

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10-24-2004 05:43 PM  13 years agoPost 4
vatechguy3

rrNovice

Yorktown, VA

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why the different gear ratio??

what does that do for this bird??

thanks,
tony

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10-24-2004 06:01 PM  13 years agoPost 5
AGRAV8

rrProfessor

Mosquito​Coast......Houston​Texas

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gear ratio

this will allow the engine to get into the power band without running the headspeed very high. For example, if he stays with the stock gearing, on a 231 he should be about 1800 RPM for breakin speeds....on the 13 tooth, he can run 1700 or so.....also, the engine can better swing 720's with that ratio under harder collective loads...

you gotta remember, some folks are intimidated by 2000 RPM with 720MM main blades..............

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10-24-2004 06:32 PM  13 years agoPost 6
bmwtcr3

rrNovice

Davenport, IA

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Thanks for all of your suggestions! Gyro Q?

Appreciate all of your input, and I will keep you informed as it hits the table, by the way, should I go after the 601 gyro, or will the 401's that I have several of now work OK with this bird?

Thanks,

Tom

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10-24-2004 07:35 PM  13 years agoPost 7
AGRAV8

rrProfessor

Mosquito​Coast......Houston​Texas

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Tom

I prefer the 601. Yes, it is ALOT of $$$$$, and $$$ I don't have alot of.

the 401 WILL work, but please use a 9254 servo with it. The 9253 might not appreciate all that action.

Use only ONE tail pushrod guide on the boom. Yes, you can quote me on that.

James

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10-24-2004 10:05 PM  13 years agoPost 8
JKos

rrProfessor

Redondo Beach, CA

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Tom,
Also consider the JR G500T if you are looking for 601 performance with out the cost. I'm running a G500T with a 9254 and 110 VBlades and it holds like vise grip pliers. Ask Payton ("Lift") if you need another opinion about this gyro.

> Use only ONE tail pushrod guide on the boom. Yes, you can quote
> me on that.

Why is that, James? I've got five gallons through with two guides just fine.

- John

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10-25-2004 12:16 AM  13 years agoPost 9
AGRAV8

rrProfessor

Mosquito​Coast......Houston​Texas

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Personal experience

with one, it works fine, and I have minimum drag on the pushrod.

This, a tip from Kam Wyatt himself.....and so it is for me.

Center it under the tailboom, about 1/2 way back. If you get it right, the "slide" doesn't even move up and down.

BTW, yes, the 500T is working well too......I prefer individual end point sets....

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