Scat Cat 36 (oz14737)


Scat Cat 36 (oz14737) by Charlie Fite 2023 - plan thumbnail

About this Plan

Scat Cat 36. Radio control sport model, for electric power. Wingspan 36 in.

Note the Riley Wooten design Scat Cat (oz4445) dates back to 1980, a pylon racer with 51 in span. This here is a modern CAD-redrawn version at 36 inch span, for brushless electric power.

Direct submission to Outerzone.

Quote: " Morning bud... here you go, I had several requests for these plans on RC Group, so I annotated and printed them. The .STL files are included here.

I started with the general proportions of the original aircraft and developed the drawings myself. I then changed the thicknesses of almost each piece, Changed the airfoil to a 9% Joukowski, changed the chord from 10 to 11.25, changed the span from 50 to 37.5, and then cut the whole thing out on my CNC machine. Instead of a solid wing core, it's a standard built up with an I-section for the main spar. Fuselage was revised to accommodate the electrics...and I built it as light as practical. Hence the modest wing loading.

To be honest, the whole thing was designed and built around that little 2840-1800 kV motor and my lack of hangar space for a 51" wing. With the price and scarcity of balsa, I'm building smaller than I used to. I tried to build as light as I could and maintain structural integrity.

Fuselage is 1/8", formers are 1/8 light ply. Wing has 3/32 ribs, 1/4" LE, 1/8 ply spar caps, and 1/16 ply web. Feathers are 3/16. Wing sheeting is 1/16.

Final configuration: 2840-1800kV Prop Drive, 40 A ESC, 6x4 APC-E, TowerPro MG92B metal gear digital servos, 2200mah 50C 4S battery. AUW 38.5 oz. (1092 gr), 13.21 oz/sq.ft. Power to weight = 440W/2.41=182.5 W/lb. Thrust to Weight = 1.31 (eCalc) Estimated level flight speed according to eCalc is ~96mph.

All drawings are printed on 36x48 (Arch E) size paper. The 2-View is plotted to fit and is not to scale. The other 3 sheets are at 1" = 1" Scale.


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

Supplementary file notes

Previous scan version.
STL zipfile.


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Scat Cat 36 (oz14737) by Charlie Fite 2023 - model pic

  • (oz14737)
    Scat Cat 36
    by Charlie Fite
    36in span
    Electric R/C
    clean :)
    all formers complete :)
  • Submitted: 04/08/2023
    Filesize: 238KB
    Format: • PDFbitmap
    Credit*: CharlieFite
    Downloads: 530

Scat Cat 36 (oz14737) by Charlie Fite 2023 - pic 003.jpg
Scat Cat 36 (oz14737) by Charlie Fite 2023 - pic 004.jpg
Scat Cat 36 (oz14737) by Charlie Fite 2023 - pic 005.jpg
Scat Cat 36 (oz14737) by Charlie Fite 2023 - pic 006.jpg

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User comments

Here's a link to some video of the 36 Scat Cat:
Charlie - 14/08/2023
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Download File(s):
  • Scat Cat 36 (oz14737)
  • Plan File Filesize: 238KB Filename: Scat_Cat_36_oz14737_.pdf
  • Supplement Filesize: 230KB Filename: Scat_Cat_36_oz14737_previous.pdf
  • Supplement Filesize: 338KB Filename:
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* Credit field

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