AOPA Pilot Magazine - July 2015 - 55
SPEC SHEET
SubSonex JSX-2
SPECIFICATIONS
Powerplant | PBS TJ-100
Length | 16 ft 6 in
Wingspan | 18 ft
Wing area | 60 sq ft
Wing loading | 16.6 lb/sq ft
Seats | 1
Cabin width | 24 in
Empty weight | 500 lb
Aerobatic weight | 900 lb
Max gross weight | 1,000 lb
Useful load | 500 lb
Payload w/full fuel | 232 lb
Fuel capacity, std | 40 gal usable, 268 lbs usable
PERFORMANCE
Takeoff distance, ground roll | 1,200 ft
Rate of climb, sea level | 2,000 fpm
Max level speed, sea level | 265 mph
Landing distance, ground roll | 2,500 ft
LIMITED AND RECOMMENDED AIRSPEEDS
VA (design maneuvering) | 157 mph
VFE (max flap extended) | 125 mph
VNE (never exceed) | 298 mph
VS1 (stall, clean) | 64 mph
VSO (stall, in landing configuration) | 58 mph
FOR MORE INFORMATION
Contact Sonex Aircraft: www.sonexaircraft.com
All specifications are based on manufacturer's
calculations. All performance figures are based
on standard day, standard atmosphere, sea level,
gross weight conditions unless otherwise noted.
by slipping or skidding turns, so I'm reluctant to slip in the JSX-2.
But I've watched Carlton perform hammerhead turns during his
airshow routine while the engine runs without interruption, and he
says that the TJ-100's centrifugal (not axial) compressor isn't prone
to compressor stall. I try a few slips, both clean and dirty, with no
ill effects. Then I move on to lazy 8s, aileron rolls, and barrel rolls,
and the controls seem well balanced and harmonized throughout
the normal speed range, but when maneuvering above 200 mph
IAS the JSX-2 is lighter in pitch than roll. (VNE is 298 mph IAS.)
Also, during over-the-top aerobatic maneuvers such as loops
and half Cubans, the high thrust line pushes the nose away from
the pilot near the top of each maneuver. Carlton said he's become
so accustomed to that characteristic in his aerobatic glider that he
hardly notices it in the JSX-2-but it requires firm back stick and/
or a significant power reduction at the top of a loop to get the nose
pointed back at the Earth.
The JSX-2 has a single 40-gallon fuselage fuel tank, right on the
airplane's center of gravity. To remain within the airplane's 900pound aerobatic weight limit, I took off with just under 30 gallons.
But jet engines are thirsty, and the TJ-100 gulps 34 gph at full power
and about 20 gph at cruise. After 20 minutes in the air, it was time
for my first jet landing.
www.aopa.org/pilot AOPA PILOT | 55
http://www.sonexaircraft.com
http://www.aopa.org/pilot
Table of Contents for the Digital Edition of AOPA Pilot Magazine - July 2015
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https://www.nxtbook.com/nxtbooks/aopa/pilot_202403
https://www.nxtbook.com/nxtbooks/aopa/pilot_202402
https://www.nxtbook.com/nxtbooks/aopa/pilot_202401
https://www.nxtbook.com/nxtbooks/aopa/pilot_202312
https://www.nxtbook.com/nxtbooks/aopa/pilot_202311
https://www.nxtbook.com/nxtbooks/aopa/pilot_202310
https://www.nxtbook.com/nxtbooks/aopa/pilot_202309
https://www.nxtbook.com/nxtbooks/aopa/pilot_202308
https://www.nxtbook.com/nxtbooks/aopa/pilot_202307
https://www.nxtbook.com/nxtbooks/aopa/pilot_202306
https://www.nxtbook.com/nxtbooks/aopa/pilot_202305
https://www.nxtbook.com/nxtbooks/aopa/pilot_202304
https://www.nxtbook.com/nxtbooks/aopa/pilot_202303
https://www.nxtbook.com/nxtbooks/aopa/pilot_202302
https://www.nxtbook.com/nxtbooks/aopa/pilot_202301
https://www.nxtbook.com/nxtbooks/aopa/pilot_202212
https://www.nxtbook.com/nxtbooks/aopa/pilot_202211
https://www.nxtbook.com/nxtbooks/aopa/pilot_202210
https://www.nxtbook.com/nxtbooks/aopa/pilot_202209
https://www.nxtbook.com/nxtbooks/aopa/pilot_202208
https://www.nxtbook.com/nxtbooks/aopa/pilot_202207
https://www.nxtbook.com/nxtbooks/aopa/pilot_202206
https://www.nxtbook.com/nxtbooks/aopa/pilot_202205
https://www.nxtbook.com/nxtbooks/aopa/pilot_202204
https://www.nxtbook.com/nxtbooks/aopa/pilot_202203
https://www.nxtbook.com/nxtbooks/aopa/pilot_202202
https://www.nxtbook.com/nxtbooks/aopa/pilot_202201
https://www.nxtbook.com/nxtbooks/aopa/pilot_202112
https://www.nxtbook.com/nxtbooks/aopa/pilot_202111
https://www.nxtbook.com/nxtbooks/aopa/pilot_202110
https://www.nxtbook.com/nxtbooks/aopa/pilot_202109
https://www.nxtbook.com/nxtbooks/aopa/pilot_202108
https://www.nxtbook.com/nxtbooks/aopa/pilot_202107
https://www.nxtbook.com/nxtbooks/aopa/pilot_202106
https://www.nxtbook.com/nxtbooks/aopa/pilot_202105
https://www.nxtbook.com/nxtbooks/aopa/pilot_202104
https://www.nxtbook.com/nxtbooks/aopa/pilot_202103
https://www.nxtbook.com/nxtbooks/aopa/pilot_202102
https://www.nxtbook.com/nxtbooks/aopa/pilot_202101
https://www.nxtbook.com/nxtbooks/aopa/pilot_202012
https://www.nxtbook.com/nxtbooks/aopa/pilot_202011
https://www.nxtbook.com/nxtbooks/aopa/pilot_202010
https://www.nxtbook.com/nxtbooks/aopa/pilot_202009
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https://www.nxtbook.com/nxtbooks/aopa/pilot_202004
https://www.nxtbook.com/nxtbooks/aopa/pilot_202003
https://www.nxtbook.com/nxtbooks/aopa/pilot_202002
https://www.nxtbook.com/nxtbooks/aopa/pilot_202001
https://www.nxtbook.com/nxtbooks/aopa/pilot_201912
https://www.nxtbook.com/nxtbooks/aopa/pilot_201911
https://www.nxtbook.com/nxtbooks/aopa/pilot_201910
https://www.nxtbook.com/nxtbooks/aopa/pilot_201909
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https://www.nxtbook.com/nxtbooks/aopa/pilot_201905
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https://www.nxtbook.com/nxtbooks/aopa/pilot_201903
https://www.nxtbook.com/nxtbooks/aopa/pilot_201902
https://www.nxtbook.com/nxtbooks/aopa/pilot_201901
https://www.nxtbook.com/nxtbooks/aopa/pilot_201812
https://www.nxtbook.com/nxtbooks/aopa/pilot_201811
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https://www.nxtbook.com/nxtbooks/aopa/pilot_201303
https://www.nxtbook.com/nxtbooks/aopa/pilot_201302
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https://www.nxtbook.com/nxtbooks/aopa/pilot_201212
https://www.nxtbook.com/nxtbooks/aopa/pilot_201211
https://www.nxtbook.com/nxtbooks/aopa/pilot_201210
https://www.nxtbook.com/nxtbooks/aopa/pilot_201209
https://www.nxtbook.com/nxtbooks/aopa/pilot_201208
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https://www.nxtbook.com/nxtbooks/aopa/pilot_201111
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https://www.nxtbook.com/nxtbooks/aopa/pilot_201109
https://www.nxtbook.com/nxtbooks/aopa/pilot_201108
https://www.nxtbook.com/nxtbooks/aopa/pilot_201107
https://www.nxtbook.com/nxtbooks/aopa/pilot_201106
https://www.nxtbook.com/nxtbooks/aopa/pilot_201105
https://www.nxtbook.com/nxtbooks/aopa/pilot_201104
https://www.nxtbook.com/nxtbooks/aopa/pilot_201103
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