Not Quite 48 (oz14809)

 

Not Quite 48 (oz14809) by Charlie Fite 2023 - plan thumbnail

About this Plan

Not Quite 48. Radio control sport model, for electric power. Wingspan 48 in, wing area 432 sq in.

Direct submission to Outerzone.

Quote: "Hey bud, I call this one the 'Not Quite' ....she's not quite a glider, but she'll fly pretty slow, not quite a sport aerobatic, but one can increase the flight control surfaces, not quite a hotliner, though you can always juice the motor and prop, and she's definitely not hard to build. Just for grins, I ran a tag matrix search on OZ for similar sized and configured aircraft ( https://outerzone.co.uk/advanced/sea....asp?SpanTo=50 ) and lo' and behold, there's about 50 of them that are similar, but "Not Quite" the same... hence the name.

I've made a couple of changes......Trailing edge is now 5/16" (up from 1/4") and the ailerons are 5/16" x 1 1/4" (up from1/4" x 1"). I've also "juiced" the motor and prop to a 3536 1450kV (up from a 3530 1100kV) so I could use that Master Airscrew 8 x 4.5 MR series prop. The little motor wouldn't swing it..well, it would but only for about 30 seconds before I let the smoke out. 48" WS x 9 1/4" (444 sq in) PW-75 airfoil, 1/8" fuselage, 1/8" ply formers, 3/16" feathers. Servos are Freewing 17 gram metal gear digital, AR6210 receiver with satellite, T/E/A control. Color scheme is yellow wings and feathers with an insignia blue fuselage and a red and white stripe tail flash....kinda sorta like a PT-19. Cowling is black with a yellow 2" spinner (on order).

Hope you like it, It's basically a plans-bash of about 50 OuterZone airplanes...

See flight video at youtube.com/watch?v=s_DVRMAu-r4 I couldn't be more pleased.....easy launch, lots and lots of power, and she'll glide dead stick like a cub...The chase video was shot using a racing drone with a top speed of ~ 60 mph....I kept the Not Quite at ~ half throttle except for the entrance to the cuban 8 and once just to run off and leave the chase drone. Consensus is she's an 80+ mph hotliner.....probably not up to pylon racing standards, but she's quick, easy to fly, and no bad habits. Charlie"

Update 5/11/2023: Replaced this plan with a revised version, thanks to CharlieFite.

Update 1/7/2024: Added STL file for cowling, thanks to CharlieFite.

Supplementary file notes

Previous scan version.
Cowling STL (zipfile).

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Not Quite 48 (oz14809) by Charlie Fite 2023 - model pic

Datafile:
  • (oz14809)
    Not Quite 48
    by Charlie Fite
    August 2023 
    48in span
    Electric R/C
    clean :)
    all formers complete :)
  • Submitted: 09/09/2023
    Filesize: 182KB
    Format: • PDFvector
    Credit*: CharlieFite
    Downloads: 737

Not Quite 48 (oz14809) by Charlie Fite 2023 - pic 003.jpg
003.jpg
Not Quite 48 (oz14809) by Charlie Fite 2023 - pic 004.jpg
004.jpg

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User comments

Here's the second one, built her for a friend [pic 003]. Final configuration: AUW = 37.5 oz, Wing Loading = 37.5 oz / 3.08 sq ft = 12.16 oz/sq ft
Motor: DYS 3536-1450 kV 655 Watts - 279.5 W/lb, 75.5 oz thrust / 37.5 = 2.01 Thrust to Weight
Prop: Master Airscrew MR Series 8x4.5
Servos: Freewing 17 gr metal gear digital
Receiver: AR6210 w/ satellite 6 channel DSMX/DSM2
ESC: 60A Hobbywing with 5V-5A BEC.
Keep your nose up in the turns, Charlie
Charlie Fite - 24/09/2023
Hey charlie,
I’ve been scrolling through the plans to find a good high wing, relatively large surface area plane with a similar wingspan as the not quite. I have been thinking on how the performance would be with a one pound wieght being towed on this rc plane after I build it. I have no experience whatsoever in rc building but I need to build one for this application. You think it would handle it and be able to perform some maneuvering with this towed weight ?
Saeed - 06/11/2023
Saeed,
This thing was built for speed. I'm not sure how she would respond to a tow weight, and since she's a hand launch, I'd think towing anything would be challenging. However, I did a 42" Ugly stik that might be suitable.
Charlie - 16/11/2023
Looking at the plans, this thing seems pretty heavy already for its size, and adding a one pound weight, whether towed or carried inside doesn't look feasible at all, especially with no previous building experience. If I were you, a better idea would be to seek out a competent RC builder and flyer to handle the aircraft part of your experiment and you can do the rest, avoiding disappointment. I have a little experience carrying weight with an RC model, which carried, and dropped five pounds of candy for the kiddies. It had a high lift wing of 84" span and a 60 size motor. No problem with the weight, but it took a lot longer to take off. Good luck on your project.
doug smith - 17/11/2023
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Download File(s):
  • Not Quite 48 (oz14809)
  • Plan File Filesize: 182KB Filename: Not_Quite_48_oz14809_.pdf
  • Supplement Filesize: 284KB Filename: Not_Quite_48_oz14809_cowling_STL.zip
  • Supplement Filesize: 179KB Filename: Not_Quite_48_oz14809_previous.pdf
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Notes

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Scaling

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