Thunderbird Formula 20 from 1979

• The engine is a Caterpillar 553 gas turbine
• Max power: 490 hp, continuous power 395 hp.
• Torque 1600 Nm
• Gas producer rpm: 39700 at 395 hp, 41000 at high output.
• Idle rpm: 18000-19000. From gearbox around 1670.
• Acceleration time from idle to continuous 12 s.
• Reduction gearbox: 7.94:1
• Max rpm on outgoing shaft: 4190
• Fuel: Jet A1 or gasoline or diesel
• Fuel consumption: 0.24 kg/hp/hour equals about 120 l diesel per hour at full throttle.
• Exhaust gas temperature: Max 627 degrees C continuous. Start max 538 deg. C
• Oil pressure Gas producer 1,8-2,1 kp/cm2
• Oil temp 82-93 C
• Stern drive: Mercruiser Alpha one, reduction 1.32:1
• Quicksilver Laser II 13.5 x 25p propeller
• Weight: 1300 kg
• Top speed: 56 knots

YouTube clip 1  YouTube clip 2  YouTube clip 3

Back to Mats' homepage

This page was last modified: