I'm just posting an airplane I would like to see modeled if anyone is interested and can get enough info. Donamy has expressed interest, but drawings and dimensions are lacking. The aircraft is no longer manufactured.

It was used extensively by an Argentina team …

I had RC plans made from info provided by the manufacture, but the info doesn't seem to be available now. Might be on an old laptop, but can I find it???

Modeled at 180 inches would be almost 3/4 scale.

Pictures below …………….

----------------------- Some Info ---------------------------

"The Rans S-9 Chaos is an American single-engined, tractor configuration, single-seat, mid-wing monoplane designed by Randy Schlitter for aerobatics and manufactured by Rans Inc. The Chaos is available in kit form for amateur construction"

The Chaos was single seat

The Sakota model was two seat side by side.

SPECIFICATIONS 65 HP 80HP/100HP

Wing Span ............................. ................................... 22.0 ft ....................................... 22.0 ft

Area ....................................... ................................... 91.5 sq ft ............................. 91.5 sq ft

Mean Chord ........................... ................................... 4 ft 2 in ................................... 4 ft 2 in

Aspect .................................... ................................... 5.3:1 ........................................... 5.3:1

Length .................................... ................................... 15 ft 8 in ............................... 15 ft 8 in

Height .................................... ................................... 4 ft 10 in ............................... 4 ft 10 in

Cockpit Width ......................... ................................... 26 in ........................................... 26 in

Headroom .............................. ................................... 38 in ........................................... 38 in

Legroom................................. ................................... 45.5 in ..................................... 45.5 in

Number of Seats .................... ................................... 1....................................................... 1

Doors ..................................... ................................... 1....................................................... 1

Landing Gear* ........................ ................................... F/TD ........................................... F/TD

Fuel Capacity** ...................... 9 or 18 gal US

POWER PLANT 582 912ULS

Engine ................................... ................................... Rotax 582 ................... Rotax 912ULS

Output .................................... ................................... 65 hp ....................................... 100 hp

Oil Capacity ........................... ................................... 2.5 .............................................. 3 qts

Coolant Capacity .................... ................................... 4.4 qts ..................................... 4.4 qts

Propeller Diameter ................. ................................... 68 to 70 in ......................... 68 to 70 in

Propeller Type ***

Gear Reduction ...................... ................................... 1:2.58 ....................................... 1:2.43

Fuel G.P.H @ 75%................. ................................... 5.75 ............................................... 5.0

PERFORMANCE

Take Off Roll .......................... ................................... 200 ............................................ 250 ft

Rate of Climb ......................... ................................... 1000 fpm ............................. 1100 fpm

Service Ceiling ....................... ................................... 15,000 ft ................................ 16000 ft

Cruise .................................... ................................... 100 mph ............................... 120 mph

VNE ....................................... ................................... 130 mph ............................... 130 mph

Stall Clean ............................. ................................... 41 mph ................................... 43 mph

Roll Rate ................................ ................................... 100o / sec ........................... 100o / sec

Glide Ratio ............................. ................................... 8:1 ................................................. 8:1

Landing Roll ........................... ................................... 400 ft ......................................... 400 ft

Endurance** .......................... ................................... 1.56 hrs ................................... 1.8 hrs

Range** ................................. ................................... 156 miles ............................ 216 miles

WEIGHTS AND LOADINGS

Gross Weight ......................... ................................... 710 lbs ................................... 810 lbs

Empty Weight......................... ................................... 375 lbs ................................... 475 lbs

Useful Load ............................ ................................... 335 lbs ................................... 335 lbs

Wing Loading ......................... ................................... 7.76 lbs ................................. 8.85 lbs

Power Loading ....................... ................................... 11.0lbs .................................... 8.1 lbs

Limit Load Factors.................. ................................... +6-4 ............................................ +6-4

*F/TD=Fixed Taildragger

**Double the Range with a second optional wing tank.

***Refer to propeller options

Performance at sea level and maximum gross weight.

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