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Reverse Thrust On A Fighter Jet

777 From Italy, joined Sep 2005, 496 posts, RR: 0
Posted (5 years 11 months 3 weeks 5 days 7 hours ago) and read 7359 times:

Hi guys,

I was wondering if the Tornado is the only fighter that has a reverse thrust device.

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Photo © John Higgins - AirTeamImages

Thanks in advance for your contributions!

[Edited 2007-05-29 15:16:16]

14 replies: All unread, jump to last

Ptrjong From Netherlands, joined Mar 2005, 3766 posts, RR: 20
Reply 1, posted (5 years 11 months 3 weeks 5 days 6 hours ago) and read 7351 times:

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Photo © Peter de Jong

Viggen does

The only difference between me and a madman is that I am not mad (Salvador Dali)

Deskflier From Sweden, joined Jan 2007, 537 posts, RR: 0
Reply 2, posted (5 years 11 months 3 weeks 5 days 4 hours ago) and read 7307 times:

Viggen can use its reverser for backing up to its parking space on a tight tarmac. Can the Tornado ground maneuvre like that? (Without the aid of tractors of course)

How can anyone not fly, when we live at a time when we can fly?

Checksixx From United States of America, joined Mar 2005, 996 posts, RR: 0
Reply 3, posted (5 years 11 months 3 weeks 4 days 23 hours ago) and read 7221 times:

Quoting Deskflier (Reply 2):
Viggen can use its reverser for backing up to its parking space on a tight tarmac. Can the Tornado ground maneuvre like that? (Without the aid of tractors of course)

Yes, although its highly frowned upon.

Cancidas From Poland, joined Jul 2003, 4112 posts, RR: 13
Reply 4, posted (5 years 11 months 3 weeks 4 days 21 hours ago) and read 7193 times:

Quoting Checksixx (Reply 3):
Yes, although its highly frowned upon.

that usually means it's fun to do!

"...cannot the kingdom of salvation take me home."

Fumanchewd From , joined Dec 1969, posts, RR:
Reply 5, posted (5 years 11 months 3 weeks 4 days 13 hours ago) and read 7109 times:

Quoting Checksixx (Reply 3):
Yes, although its highly frowned upon.

I would imagine that it would be easy to pop a wheelie and strike the tail. Especially if the brakes are used.

Kukkudrill From Malta, joined Dec 2004, 1122 posts, RR: 5
Reply 6, posted (5 years 11 months 3 weeks 4 days 6 hours ago) and read 7050 times:

Going from reverse thrust in the Tornado back to drogue chutes in the Typhoon seems to me to be a bit of a retrograde step. Why isn't reverse thrust more widespread in combat aircraft?

Make the most of the available light ... a lesson of photography that applies to life

CF188A From , joined Dec 1969, posts, RR:
Reply 7, posted (5 years 11 months 3 weeks 2 days 18 hours ago) and read 6921 times:

Quoting Kukkudrill (Reply 6):
Going from reverse thrust in the Tornado back to drogue chutes in the Typhoon seems to me to be a bit of a retrograde step. Why isn't reverse thrust more widespread in combat aircraft?

fuel consumption

DANGEROUS

not 100% controllable

CTR From United States of America, joined Jul 2005, 303 posts, RR: 0
Reply 8, posted (5 years 11 months 3 weeks 2 days 9 hours ago) and read 6868 times:

Don't forget the Harrier! The King of reverse thrust.

Fully controlable too.

Have fun,

CTR

Aircraft design is just one big compromise,,,

Sprout5199 From United States of America, joined Feb 2005, 1779 posts, RR: 2
Reply 9, posted (5 years 11 months 3 weeks 2 days 5 hours ago) and read 6833 times:

Quoting Kukkudrill (Reply 6):
Why isn't reverse thrust more widespread in combat aircraft?

Weight

more maintance.

Dan in Jupiter

Flyf15 From , joined Dec 1969, posts, RR:
Reply 10, posted (5 years 11 months 3 weeks 1 day 16 hours ago) and read 6738 times:

Quoting Sprout5199 (Reply 9):
Weight

more maintance.

Yep, you're pretty much spot on. Reverse thrust uses a bunch of gas, complex systems, and additional money to not really do much of anything but make a bunch of noise. It is extremely ineffective at slowing an aircraft compared to drag chutes or brakes. The biggest "advantage" of reverse thrust is that it cancels out the idle forward thrust working against you. On my aircraft (CRJ), we get a substantial portion of our reverse thrust effectiveness by just unlocking the reversers and not even bringing the engines out of idle.

Scottieprecord From United States of America, joined Jul 2004, 1363 posts, RR: 12
Reply 11, posted (5 years 11 months 3 weeks 1 day 15 hours ago) and read 6733 times:

I'm confused about the reverser on the Viggen... are there interior doors that deflect the jet blast??

-Mike

Legs From Australia, joined Jun 2006, 207 posts, RR: 0
Reply 12, posted (5 years 11 months 3 weeks 1 day 13 hours ago) and read 6711 times:

Quoting Flyf15 (Reply 10):
it cancels out the idle forward thrust

Canceling out idle thrust isnt an issue on most fighters, as they have an engine nozzle that is open at ground idle to prevent any thrust from being produced. This nozzle probably also makes it a bit difficult to integrate reversers, but the Tornado proves it can be done. Id imagine the benefits of reduced brake wear just dont stack up enough for the military to consider it. On a slightly related note, do any of the heavier aircraft, like the B-52 or B-1, have them?

Agill From Sweden, joined Feb 2004, 993 posts, RR: 0
Reply 13, posted (5 years 11 months 3 weeks 1 day 10 hours ago) and read 6686 times:

Quoting Scottieprecord (Reply 11):

I'm confused about the reverser on the Viggen... are there interior doors that deflect the jet blast??

You can see them halfway deplyed here. The thrust is steared out the slits on the side.

Scottieprecord From United States of America, joined Jul 2004, 1363 posts, RR: 12
Reply 14, posted (5 years 11 months 2 weeks 6 days 4 hours ago) and read 6556 times:

Quoting Agill (Reply 13):
You can see them halfway deplyed here. The thrust is steared out the slits on the side.

Well that clears it right up! Thanks!

-Mike

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