Indian Missile News And Discussion

[Arun_S]

[url="http://www.drdo.com/pub/techfocus/2009/dec09.pdf"]DRDO Tech Focus ISSN : 0971-4413 for Dec 2009[/url] is out.

[url="http://www.drdo.com/pub/techfocus/2009/dec09.pdf"]http://www.drdo.com/pub/techfocus/2009/dec09.pdf[/url]



Has good article on Nishant Wrenkle Engine (55 Hp, 100 kg thrust).

Salient Features

Displacement : 324 cc

Type : Single rotor Wankel engine

Idle speed : 2700–2900 rpm

Cooling : Water cooled housings and air cooled rotor

Power output : 55 bhp at 8000 rpm

Compression ratio : 9.2:1

Specific fuel consumption : 250 gm/bhp hr

Lubrication system : Total loss type forced lubrication

Also hypersonic engine test bed simulates flight at 32 Km altitude, with:

Inlet at Mach-2, Temp: 2000 K, Pressure: 4 bar pressure,

Combustor Air flow: 3/1 Kg/se, O2 flow: 1.05 Kg/sec H2 flow: 0.08 Kg/sec

Ejector mass flow 22 kg/sec at Mach-4