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-   -   PAYLOADS (https://www.rcuniverse.com/forum/beginners-85/1168644-payloads.html)

blue_meliz 09-29-2003 03:23 AM

PAYLOADS
 
how do u explain the differences in the payload of the aircrafts

MinnFlyer 09-29-2003 05:50 AM

RE: PAYLOADS
 
Huh???

Can you explain a little better?

Do you mean: Why can some planes carry a larger payload than others?

Woodsy 09-29-2003 05:58 AM

RE: PAYLOADS
 
Welllll some cary more weight and the others don't..........

blue_meliz 09-29-2003 10:21 AM

RE: PAYLOADS
 
yup minnflyer..i'm trying to say that...=)..wat factors contribute to it hur?

blue_meliz 09-29-2003 10:22 AM

RE: PAYLOADS
 
yup i do understand that woody but why is that so>

Scalebuff 09-29-2003 10:33 AM

RE: PAYLOADS
 
basicly its all about wing loading, E.G you dont see many transports with a wing span/cord of say a Extra....

the bigger the wing the more lift it gives tie that with a huge amout of horse power and yu can carry more weight...

simply put the biger the wing area the more lift you get hence more weight weight..

Montague 09-29-2003 10:34 AM

RE: PAYLOADS
 
Wingloading is important, and is usually the most important thing for sport flying and such.

However, if you are designing a "heavy lift" plane, then airfoil selection becomes very very important as well. You can also have things like flaps and slats that can really help.

ekrcflyer 09-29-2003 10:41 AM

RE: PAYLOADS
 
By definition "payload" is "the amount of useful load (e.g. cargo, passengers, etc.) the plane can carry". Don't forget - the plane should also "carry" itself :).

The total weight the plane can [safely] carry is "dirty weight" of the airplane (including fuel) plus payload. The rest is simple - more powerful engines should allow to carry more payload. Of course there are other factors, e.g. engine efficiency, etc., but I guess this is a jist of it.

In addition, other things being equal - the airplane with less "dirty weight" should be able to carry more "payload.

MinnFlyer 09-29-2003 04:30 PM

RE: PAYLOADS
 
I think the most direct answer to your question is:

It is a combination of 3 things:

The size of the wing (In area)
The Airfoil of the wing, and
The amount of thrust that is moving the wing.

blue_meliz 09-30-2003 10:27 AM

RE: PAYLOADS
 
thanks alot guys..=)


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