Jet wing loading??????
#2

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From: Longwood ,
FL
Lets see now, a BVM composite Bandit has 736 sq. in. of wing area. That is 5.11 square feet.
If the Bandit weighs 19 lbs. dry, and we add a full load of jet-A (96 fluid oz.) at 7.3 lbs./gallon, we have a fuel load of 5.475 lbs (I didn't include the oil, which has a higher specific gravity than the fuel). The total weight at take off, not including fuel consumed prior to lift off would be about 24.475 lbs. For the sake of the conversation, lets round it up to 25 lbs, cause the Bandit could be a little higher than 19 lbs. exactly, especially if it is mine.
We leave the ground at 25 lbs, with 5.11 sq. ft. of wing area, and we are loaded at:
76.71 oz. per square foot. Kinda high, huh?
Now, lets burn all the gas, and land dead stick at 19.5 lbs, still 5.11 sq ft., and we have a loading of:
61.057 oz. per sq. ft. A lot better, huh?
The Balsa Bandit has 775 sq. inches of area, or 5.382 sq. ft. which makes it a little less heavily loaded.
What's amazing to me, is how well they fly at such high loadings!
Somebody check my numbers and see if I'm full of &$(^!#*_+
Harley Condra
BVM REP
RAM REP
Buy American!!!!!!
HP20S calculator user
If the Bandit weighs 19 lbs. dry, and we add a full load of jet-A (96 fluid oz.) at 7.3 lbs./gallon, we have a fuel load of 5.475 lbs (I didn't include the oil, which has a higher specific gravity than the fuel). The total weight at take off, not including fuel consumed prior to lift off would be about 24.475 lbs. For the sake of the conversation, lets round it up to 25 lbs, cause the Bandit could be a little higher than 19 lbs. exactly, especially if it is mine.
We leave the ground at 25 lbs, with 5.11 sq. ft. of wing area, and we are loaded at:
76.71 oz. per square foot. Kinda high, huh?
Now, lets burn all the gas, and land dead stick at 19.5 lbs, still 5.11 sq ft., and we have a loading of:
61.057 oz. per sq. ft. A lot better, huh?
The Balsa Bandit has 775 sq. inches of area, or 5.382 sq. ft. which makes it a little less heavily loaded.
What's amazing to me, is how well they fly at such high loadings!
Somebody check my numbers and see if I'm full of &$(^!#*_+
Harley Condra
BVM REP
RAM REP
Buy American!!!!!!
HP20S calculator user
#4

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Not that I know holes in the ground from .....well you know how the cliche goes, but to add on the wing loading thing. In some cases, like you have noticed E. some planes dont seem to handle like they are "high-wing-loaded", the factor I have found that dictates a planes performance more than anything else, is the wing plan form, and air foil, in conjunction with the wing loading. I fly alot of power slope scale gliders, and we find it out there more than anywhere else. That Bandit airfoil is super effecient, low drag numbers when it is clean, and some good lift when flaps are deployed. I could never fly my P-38 with numbers that high, because the wing would not let me be effecient enough with it.
........What are you brewing up anyway, my curious mind and all?
Geez, must be late, I am making no sense, wasting my ....,. time again!
Ray
........What are you brewing up anyway, my curious mind and all?
Geez, must be late, I am making no sense, wasting my ....,. time again!
Ray
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From: Malibu,
CA
LOL Ray you are not wasting your time, that seems to be the motto here lately.
When it comes to electrics and gliders that when the airfoils really matter for decent performance. for all powered airplanes we usually have tons of power and airfoils arn't quite as important. Just comparing numbers with my stuff and other airplanes.
When it comes to electrics and gliders that when the airfoils really matter for decent performance. for all powered airplanes we usually have tons of power and airfoils arn't quite as important. Just comparing numbers with my stuff and other airplanes.



