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500 Class Electric Helicopters 500 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 05-05-2013, 10:35 AM   #1 (permalink)
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Default Is Align Trex 500 GF fiberglass of silver carbon fiber?

What is the difference between the silver frame in a GF kit vs the black frame in a CF kit? Is the silver frame just a cosmetic difference or is the black frame actually better in any way? It's always been my understanding that the GF kits are fiberglass and the CF kits are carbon fiber and that the carbon fiber are stronger. Did Align ever make a silver carbon fiber 500 frame that's not any different than the black carbon fiber?

Thank you in advance for any help educating me.

-Robert
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Old 05-05-2013, 03:17 PM   #2 (permalink)
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Its fiber glass. I just bought a GF kit and it is nice. I usually fly carbon helis but my recent research has fiber glass as being lighter than carbon fiber. Goes without saying that the CF will be stronger but I am interested in weight savings.
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Old 05-05-2013, 07:27 PM   #3 (permalink)
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Quote:
Originally Posted by destroyerbmx View Post
Its fiber glass. I just bought a GF kit and it is nice. I usually fly carbon helis but my recent research has fiber glass as being lighter than carbon fiber. Goes without saying that the CF will be stronger but I am interested in weight savings.
Really? Do you happen to know just how much lighter the FG is VS the CF frames? I never thought of that, I really want to lighten up my 500.
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Old 05-06-2013, 09:50 PM   #4 (permalink)
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Quote:
Originally Posted by destroyerbmx View Post
Goes without saying that the CF will be stronger
Actually CF frames are stiffer but GF frames are more durable and less likely to crack in a crash because they can bend further without breaking.
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Old 05-06-2013, 09:58 PM   #5 (permalink)
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I was originally wrong. I guess thats what I get for getting my CF vs FG argument from a car site. Here is accurate info from a manufacturing company.

Weight
Carbon fiber is lighter and stiffer than fiberglass. The nature of a carbon fiber is very light, rigid, and strong. This is why most weight-critical performance products are being manufactured with carbon fiber.


Strength vs Rigidity
Carbon fiber is very strong and very rigid, while fiberglass is also very strong it is not as rigid. In applications where a small amount of flexibility is desired, carbon fiber is the material of choice. In applications where a large amount of flexibility is desired, fiberglass is probably better suited. Fiberglass is better suited to extreme flex patterns, while carbon fiber has a relatively small flex window.


Toughness
Any thermoplastic composite is tough. The nature of using plastic makes that possible, however fiberglass is actually a tougher material than carbon fiber. Because it has the ability to flex farther without breaking, in general it acts as a “tougher” material. The incredible rigidity of carbon makes it less capable of enduring certain abuses than fiberglass.


Price
Long strands of carbon fibers are very difficult and expensive to manufacture, while fiberglass processes much easier. As a result, fiberglass is considerably less expensive than carbon fiber.

More specifics: http://gwcomposites.com/carbon-vs-fiberglass/

Last line is FG is radio transparent, no RF interference.
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