JPX 4TX75

 

4TX75 Front

4TX75 Behind

 

 

Bore

   95 mm (3,74 3")

Stroke

   82 mm (3,23 ")

Total displacement

   2325 cc

Compression ratio

   8,7

Total widht

   755 mm (29,72 ")

Total lenght

   680 mm (26,77 ")

Total weight with equipments

   78 kg (172,2 lbs)

Specific fuel cons.

   190 to 220 g/HP/hour depending on RPM

 

 

(Full throttle, 103 mb, 15°C)

- Take off : 82 HP at 3000 RPM
- Max torque : 20,2 M/kg at 2900 RPM
- Max continuous power : 76 HP at 2900 RPM

 

 

- Propeller drive ratio : 1:1
- Propeller drive rotation : clockwise (viewed front)
- Propeller hub dia : 125 mm (5")
- Propeller drive : 6 dowels dia : 12mm x M8 x 125

 

 

- Electric starter 12 V 1200 W

- Carburator OVC366A with : mixture

- Alternator 12 V - 20 A

  control, acceleration pump

- Duasl Bendix D300 ignition, self generating

- Ignition harness : JPX shielded

- Spark plugs : EYQUEM A 755 shielded

- Fuel pump : engine driven on side of engine

- Oil cooler : separate, aluminium construction

- Tachometer drive : electronic on alternator

- Rear engine plate, equiped with rubber
   bushings

 

 

 

- Oil pressure : 4 to5 bars (58 psi)
- Fuel pressure : 0,22 bar (3,2 psi)
- Maximum oil temperature : 130 °C (292 °F)
- Maximum cyl-head temperature : 245 °C (500 °F)

 

 

Test Bench Results 4TX75 Engine