Isro successfully conducts 3rd test on Vikas Engine that will launch Gaganyaan Mission
The Indian Space Research Organisation ISRO on Wednesday successfully conducted the third long duration hot test on the liquid propellant Vikas engine that would launch the ambitious Gaganyaan program.
The test of the
liquid propellant Vikas engine was done for the core L110 liquid stage of the
human rated GSLV MK-III vehicle, as part of the engine qualification
requirements for the Gaganyaan program.
The engine was
fired for 240 seconds at the test facility of ISRO Propulsion Complex,
Mahendragiri in Tamil Nadu.
The performance of
the engine met the test objectives and the engine parameters were closely
matching with the predictions during the entire duration of the test.
The Gaganyaan
mission aims to demonstrate ISRO's capability to send humans to low earth orbit
onboard an Indian launch vehicle and bring them back to Earth.
U.S. Navy’s Virginia Class Submarines To Get
76% More Firepower
The Virginia Class submarine is already heavily
armed. Each boat can carry up to 37 torpedo sized weapons, such as Tomahawk
cruise missiles. Twelve of these slots are in two vertical launch systems (VLS),
known as the Virginia Payload Tubes. The new Block V batch of submarines will
add 28 more slots in its vertical launch systems VLS. This is an increase of
76% of torpedo sized weapons.
The US Navy is planning to build between 72 to
78 new attack submarines. Ten of these will be the Virginia Block V boats, 8 of
which will be up armed as described. When it was originally conceived the
Virginia Class was seen as a cheaper alternative to the larger Seawolf Class.
While the Virginia Class was smaller than the
Seawolf, it took advantage of new technologies and itself became a
world-leading nuclear powered attack submarine.
Russia Teases Upcoming ‘Mini Sukhoi 57’ Single
Engine Stealth Jet with World’s Most Powerful Fighter Engine
On July
13th Russia’s United Aircraft Corporation released a teaser for its upcoming
single engine stealth fighter, with a full presentation reportedly scheduled
for July 20.
The
aircraft will be Russia’s first post-Soviet single engine fighter, and will use
technologies from the Sukhoi-57 heavyweight twin engine fighter but on a
lighter airframe which is both cheaper to produce and requires less
maintenance.
Reports
on the new single engine fighter’s performance indicate that it will benefit
from advanced forms of artificial intelligence - as well as a fundamentally new
system of shielding and thrust vector control.
Unlike
the F-35, the new fighter will benefit from supermanoeuvrability - a feature
China’s J-10C is the only single engine fighter to have currently - as well as
the ability to fly supersonically for sustained periods without using its
afterburner.
Russia supplies engines for India’s combat
trainer aircraft
Russia’s United Engine Corporation delivered
two AL-55I turbojet engines to India’s HAL for the final stage of certification
tests of the Indian HJT-36 combat trainer plane.
The United Engine Corporation carried out work
to bolster the potential of the two engines that had logged over 5,000 hours of
operation during bench tests. The customer’s representatives were also present
at the acceptance/delivery trials.
The plans also envisage conducting similar work
to boost the potential of 16 AL-55I engines already supplied to HAL. Besides,
considerable work has been carried out to arrange the licensed production of AL-55I
engines at HAL’s enterprises.
The AL-55I is a double circuit turbojet engine
developed on order from India’s HAL for HJT-36 jet trainer planes. The engine
features a modular design that ensures its high performance efficiency and a
low cost of operation. The engine’s advanced digital control system ensures
safe piloting and easy maintenance.
HAL to soon place fresh orders for 100 GE-F404
engines for Tejas-Mk1A
India is set to sign another major defence deal
with the US, with negotiations almost over to acquire fighter jet engines worth
$700 million to power the indigenous Tejas Light Combat Aircraft (LCA). The jet
engines, to be bought from General Electric (GE), are for the recent order of
83 of the LCA-Mk1A version placed by the Indian Air Force.
All issues relating to the supply have been
sorted out and India will shortly place an order for 100s of the GE-404 engines.
The American engines already power the Mk1 version of the LCA that is already
in service with the Indian Air Force and would seamlessly fit into the latest
variant of the home-grown fighter.
While the deal does not include transfer of
technology, efforts are on to build an indigenous fighter jet engine for the future:
Advanced Medium Combat Aircraft AMCA programme. The project, being spearheaded
by the Defence Research and Development Organisation, envisages a partnership
either with France or England to jointly develop critical engine technology to
power all future air force fighters.
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