Claude
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Who Invented The RAT? First Plane With?

Wed Sep 12, 2007 6:28 am

hi everyone!

i was wondering WHO or WHICH company invented the RAT system? and also which airplane was the first to use... ?
i saw a pic of a phantom F4... with one!!
(when i mean which airplane was the first to use the RAT system, i mean both military/civil airplanes)

Greetings

Claude  Smile
 
KELPkid
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RE: Who Invented The RAT? First Plane With?

Wed Sep 12, 2007 6:53 am

Cue 2H4's photo of a Piper J-3 Cub with a slipsteam driven generator in 3...2...1....  Wink
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2H4
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RE: Who Invented The RAT? First Plane With?

Wed Sep 12, 2007 7:01 am

Quoting KELPkid (Reply 1):
Cue 2H4's photo of a Piper J-3 Cub with a slipsteam driven generator in 3...2...1....

At your service!






edit: Actually, to help answer the original question, I found a photo of a de Havilland DH.4 (first produced 1917) with not one but TWO ram air turbines:

http://i11.tinypic.com/4t5mk5d.jpg




Additionally, Igor Sikorsky's Ilya Murometz, built in 1913 or 1914, reportedly used a RAT to power electric lighting, though I can't seem to find any photographic evidence of one.


2H4



[Edited 2007-09-12 00:22:04]
Intentionally Left Blank
 
Claude
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RE: Who Invented The RAT? First Plane With?

Wed Sep 12, 2007 12:50 pm

hi... for the piper and the Ilya Murometz, isn't it a generator which is use alsi during the flight like a dynamo for few electric energy? i mean in m mind the RAT is here when you loose "all" engines... i guess on these 2 airplanes you can still control your flight...
 
MD11Engineer
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RE: Who Invented The RAT? First Plane With?

Wed Sep 12, 2007 4:31 pm

The Zeppelin's electric power supply also came from a ram air turbine.

Jan
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BAE146QT
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RE: Who Invented The RAT? First Plane With?

Wed Sep 12, 2007 5:49 pm

Obviously not the first, but so did the ME-163 Schwalbe. It had a tiny little prop on the nose that drove a generator and provided all the aircraft's power.
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EasternSon
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RE: Who Invented The RAT? First Plane With?

Thu Sep 13, 2007 10:41 pm

Hello All,

I believe the first commercial jet airliner to have the RAT was the L1011. (Please correct me if I'm wrong)

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RATs have been used on military aircraft, as noted, for quite some time. They have also been used to power refueling pods and target tow reels.

Regards,

EasternSon
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vc10
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RE: Who Invented The RAT? First Plane With?

Thu Sep 13, 2007 11:08 pm

Quoting EasternSon (Reply 6):
I believe the first commercial jet airliner to have the RAT was the L1011. (Please correct me if I'm wrong)

Well the VC-10 had a RAT and I believe that predates the L1011

Littlevc10
 
EasternSon
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RE: Who Invented The RAT? First Plane With?

Fri Sep 14, 2007 1:57 am

Quoting VC10 (Reply 7):
Well the VC-10 had a RAT and I believe that predates the L1011

I stand corrected. You are right on both the RAT and the pre-dating.

Thanks,

EasternSon
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Claude
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RE: Who Invented The RAT? First Plane With?

Fri Sep 14, 2007 2:25 am

Easternson and VC10 thanks a lot!  Smile
 
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Buyantukhaa
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RE: Who Invented The RAT? First Plane With?

Wed Sep 26, 2007 8:17 am

It seems the first plane with an emergency RAT was the XF-84H Thunderscreech:

http://en.wikipedia.org/wiki/XF-84H
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Starlionblue
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RE: Who Invented The RAT? First Plane With?

Wed Sep 26, 2007 9:02 am

Quoting BAe146QT (Reply 5):
Obviously not the first, but so did the ME-163 Schwalbe. It had a tiny little prop on the nose that drove a generator and provided all the aircraft's power.

Just a nitpick. The Me-163 was "Komet". The Me-262 was "Schwalbe" (Swallow). Of these, the Komet had a little prop for power generation.
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BAE146QT
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RE: Who Invented The RAT? First Plane With?

Wed Sep 26, 2007 9:14 pm

Quoting Starlionblue:
Just a nitpick. The Me-163 was "Komet".

You are, of course, correct. Got the nicknames mixed up. I was indeed referring to the 163 Komet.
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jetmech
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RE: Who Invented The RAT? First Plane With?

Wed Sep 26, 2007 10:16 pm

Quoting VC10 (Reply 7):
Well the VC-10 had a RAT

Did the VC-10 have two RATS? The ELectrical Ram Air Turbine (ELRAT) and the HYdraulic Ram Air Turbines (HYRAT)?

Regards, JetMech
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BAE146QT
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RE: Who Invented The RAT? First Plane With?

Sat Sep 29, 2007 10:59 pm

Incidentally, over in the "loudest aircraft" thread, HangarRat posted about the XF-84H.

According to the Wikipedia article that HR referenced, this plane was the first to ever be equipped with a RAT;

http://en.wikipedia.org/wiki/XF-84H

Is it possible that we should differentiate between the sort of RAT used a part of the aircraft's normal equipment, (like on the ME-163, or 2H4's Piper Cub and DH.4 up there), and the sort of RAT that is only deployed in an emergency (like on a 757)?

I appreciate that they do the same job, but clearly it's under different circumstances. I think that might have been the point that Claude was making in post 3 of this thread.
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Buyantukhaa
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RE: Who Invented The RAT? First Plane With?

Sat Sep 29, 2007 11:33 pm

Quoting BAe146QT (Reply 14):
Incidentally, over in the "loudest aircraft" thread, HangarRat posted about the XF-84H.

According to the Wikipedia article that HR referenced, this plane was the first to ever be equipped with a RAT;

See post 10  Wink
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BAE146QT
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RE: Who Invented The RAT? First Plane With?

Sun Sep 30, 2007 2:16 am

Quoting BAe146QT (Reply 14):
See post 10

Totally missed that in my haste to post.  Wink
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