Sev­eral planes com­pete in the su­per­sonic race

Science Illustrated - - TECHNOLOGY -

Lock­heed Mar­tin SR-72

The un­manned Amer­i­can SR-72 spy plane is de­signed for bomb­ing and scout­ing. The highly se­cret project might al­ready have been com­pleted. TOP SPEED: 7,350+ km/h. ENGINE: TBCC engine – a com­bined tur­bo­jet and ram­jet/scram­jet engine like I-plane's. STA­TUS: Source claims it to be com­pleted.

CASIC Teng Yun

The Chi­nese Teng Yun is to lift small space­planes to launch at an al­ti­tude of 30-40 km. Both planes can land on the ground again un­aided. TOP SPEED: Some 7,350 km/h. ENGINE: TRCC engine – a com­bined rocket and ram­jet engine + a rocket-pow­ered space­plane. STA­TUS: To be de­liv­ered in 2030.

Sky­lon

A Bri­tish space­plane with a long body and short wings with in­te­grated en­gines. It is to take off, es­cape the at­mos­phere, and land un­aided. TOP SPEED: Some 6,300 km/h. ENGINE: Sabre en­gines – a unique com­bined engine de­sign, 20 years in the mak­ing. STA­TUS: Test flights in 2025.

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