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Reverse Thrust On A Fighter Jet  
User currently offline777 From Italy, joined Sep 2005, 515 posts, RR: 0
Posted (7 years 3 months 5 days 2 hours ago) and read 10133 times:

Hi guys,

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


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Thanks in advance for your contributions!

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

14 replies: All unread, jump to last
 
User currently offlinePtrjong From Netherlands, joined Mar 2005, 3939 posts, RR: 18
Reply 1, posted (7 years 3 months 5 days 2 hours ago) and read 10125 times:


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Viggen does



The only difference between me and a madman is that I am not mad (Salvador Dali)
User currently offlineDeskflier From Sweden, joined Jan 2007, 537 posts, RR: 0
Reply 2, posted (7 years 3 months 4 days 23 hours ago) and read 10081 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?
User currently offlineChecksixx From United States of America, joined Mar 2005, 1088 posts, RR: 0
Reply 3, posted (7 years 3 months 4 days 18 hours ago) and read 9995 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.


User currently offlineCancidas From Poland, joined Jul 2003, 4112 posts, RR: 11
Reply 4, posted (7 years 3 months 4 days 16 hours ago) and read 9967 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."
User currently offlineFumanchewd From , joined Dec 1969, posts, RR:
Reply 5, posted (7 years 3 months 4 days 9 hours ago) and read 9883 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.


User currently offlineKukkudrill From Malta, joined Dec 2004, 1123 posts, RR: 4
Reply 6, posted (7 years 3 months 4 days 1 hour ago) and read 9824 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
User currently offlineCF188A From , joined Dec 1969, posts, RR:
Reply 7, posted (7 years 3 months 2 days 13 hours ago) and read 9695 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


User currently offlineCTR From United States of America, joined Jul 2005, 303 posts, RR: 0
Reply 8, posted (7 years 3 months 2 days 4 hours ago) and read 9642 times:

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

Fully controlable too.

Have fun,

CTR



Aircraft design is just one big compromise,,,
User currently offlineSprout5199 From United States of America, joined Feb 2005, 1852 posts, RR: 2
Reply 9, posted (7 years 3 months 2 days ago) and read 9607 times:

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

Weight

more maintance.

Dan in Jupiter


User currently offlineFlyf15 From , joined Dec 1969, posts, RR:
Reply 10, posted (7 years 3 months 1 day 11 hours ago) and read 9512 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.


User currently offlineScottieprecord From United States of America, joined Jul 2004, 1363 posts, RR: 11
Reply 11, posted (7 years 3 months 1 day 11 hours ago) and read 9507 times:

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

-Mike


User currently offlineLegs From Australia, joined Jun 2006, 239 posts, RR: 0
Reply 12, posted (7 years 3 months 1 day 8 hours ago) and read 9485 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?


User currently offlineAgill From Sweden, joined Feb 2004, 1010 posts, RR: 0
Reply 13, posted (7 years 3 months 1 day 5 hours ago) and read 9460 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.


User currently offlineScottieprecord From United States of America, joined Jul 2004, 1363 posts, RR: 11
Reply 14, posted (7 years 2 months 4 weeks 23 hours ago) and read 9330 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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