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Author Topic: Realistic performance expectations  (Read 2559 times)

Offline ejcheli

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Realistic performance expectations
« on: September 22, 2019, 11:08:35 PM »
Hello everyone, I recently purchased some XL plans and have been watching and reading everything I can about these planes but one thing I'm curious about is the performance/handling of the aircraft. I understand this might sound kinda funny but I flew RC airplanes for decades and while I understand that a high wing "trainer" type plane will never be able to do a fraction of what a proper aerobatic airplane can do (lacking power and aerodynamics) it should still be able to do simple things like stall turns and loops right? To be clear, my main reason to build and fly the LEXL definitely isn't for performance, its to get my butt in the air for an extremely reasonable price, but I would just like to know what realistically should be possible if you wanted to have some fun and pull some Gs. Thanks!

Eric

Offline Tom XL-7

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Re: Realistic performance expectations
« Reply #1 on: September 23, 2019, 05:24:55 AM »
model aircraft  RC U=control even rubber powered free flight all have incredible power to weight ratios. Also incredible strength to weight ratios. I know of no legal ultralight that is designed for aerobatics. 
 The xl will get your butt in the air for a reasonable cost. 
This is about as cheap as aerobatic gets. Notice the high G limits 
https://www.aircraftspruce.com/catalog/kitspages/honeyBee.php

Offline ejcheli

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Re: Realistic performance expectations
« Reply #2 on: September 27, 2019, 08:39:01 PM »
Thanks for info, that makes perfect sense. Ok, so take aerobatics off the table, the LE XL can technically pull a G or two can't it? I mean, if you banked to the left and pulled back on the stick (gently)  :)) ... you'd feel some seat pressure right?

I fully understand that its not designed, rated, nor intended for aerobatics, perhaps that was just a poor choice of words on my part. I'm just curious if the flight envelope is strictly "take off, cruise, land" or if there is any room for some "mildly spirited" flying. Even just a little.

Believe me, I think that just getting into the air would be incredibly fun and rewarding all on its own, just want to know what realistic limits there are to flying most Part 103 aircraft and specifically this one. Thanks!

Offline garygans

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Re: Realistic performance expectations
« Reply #3 on: September 28, 2019, 08:26:34 AM »
The wings were tested to 4g. I would not try and take the plane to that level though. I built a Super Baby Lakes Biplane for doing the fun stuff http://www.gansguns.com/babylakes.html.  You need power and speed to do aerobatics, the Legal Eagle XL doesn't have either of those. My LEXL has the 37HP engine, so it doesn't have the power to do much spirited flying. So I settle for the take off, cruise and land style of flying, which is fine by me.

Offline ejcheli

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Re: Realistic performance expectations
« Reply #4 on: September 28, 2019, 10:58:56 AM »
Ok, fair enough, thanks for the input! I am definitely considering building an LSA so I might just go that route... Part 103 sounds appealing because of the freedom it provides but LSA opens up a lot more possibilities. The LE XL is a very cool plane though so its gonna be a tough decision.  :)

 

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