Knowledge Quiz for Warbird wiz
03-06-2010, 07:18 AM
#584
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RE: Knowledge Quiz for Warbird wiz
Hmm. On the 109 they extended, retracted by air pressure... but on the 163 they were fixed slots.
On the 109 they were implemented to improve low speed maneuverability, by the time of the 163 they were just a standard Messershmit design feature. On the Lysander they were used to give it short field takeoff capability.
Im struggling to come up with some common reason/feature....
On the 109 they were implemented to improve low speed maneuverability, by the time of the 163 they were just a standard Messershmit design feature. On the Lysander they were used to give it short field takeoff capability.
Im struggling to come up with some common reason/feature....
03-06-2010, 08:41 AM
#585
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RE: Knowledge Quiz for Warbird wiz
BING! We have a winner.
All the planes above had automatic LE slats. (the Me 163 originally flew with automatic slats).
All of them were used to improve low speed manuverability, regardless if Messerschmitt used them as a standard design or not. From Shuttleworth: "Consequently, as airspeed is reduced, or when more lift is required as the pilot pulls into a turn, the outer slats extend, followed, if necessary, by the inner slats and flaps."
All the planes above had automatic LE slats. (the Me 163 originally flew with automatic slats).
All of them were used to improve low speed manuverability, regardless if Messerschmitt used them as a standard design or not. From Shuttleworth: "Consequently, as airspeed is reduced, or when more lift is required as the pilot pulls into a turn, the outer slats extend, followed, if necessary, by the inner slats and flaps."
03-06-2010, 08:44 AM
#586
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RE: Knowledge Quiz for Warbird wiz
I think Evil_Merlin is asking "why were they fitted; what did they aid or correct". On all of these planes, the leading edge slots were intended to improve the manueverability of the plane when turning at their higher speed. All of these planes had difficulty dealing with slower, fast turning planes in combat; their greater speed made them unable to turn with the slower planes, and caused them to simply overshoot the target. The leading edge slats were designed to help them turn faster, to follow a slower and fast turning target. Thanks; Ernie P.
03-06-2010, 09:40 AM
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RE: Knowledge Quiz for Warbird wiz
Iam suspicious of the slats on Me-262 being used for high speed maneuver. I cannot recall the name of the video, but I saw a British after war documentary study on Youtube and they mentioned that the slats were used for landing. They did not mention that they were used for high speed turns. In the Me-262 wiki, it is mentioned that they are used for high speed turns. The wiki reference that is given is a general one for slats that can apply to any plane and is not Me-262 specific. The reference should not be used.
03-06-2010, 11:07 AM
#588
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RE: Knowledge Quiz for Warbird wiz
From what I remember a lot of the me-109 pilots claimed the slats through their aim off when in combat in the turns it would cause the plane to shutter.
thanks bob
thanks bob
03-06-2010, 11:22 AM
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RE: Knowledge Quiz for Warbird wiz
Yeah and I really though the Lysander's slats (along with the split flaps) were all about short field capability for its role in clandestine operations. I didn't think anybody intended it to do much combat maneuvering.....
03-06-2010, 01:02 PM
#590
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RE: Knowledge Quiz for Warbird wiz
Slats give you more lift at the cost of more drag. If they retract at high speed, then theoretically you have the advantages of both a slatted wing (more lift at low speeds) and an unslatted wing (less drag at high speeds). If one of them gets stuck, so that only one deploys when you're coming in for a landing, you die, which is why the F-86's you see at airshows these days have the slats wired shut (except for the versions with the unslatted wing, of course).
03-06-2010, 02:27 PM
#591
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RE: Knowledge Quiz for Warbird wiz
I think I may have just snuck in the back door on getting one question right. Here is the 2 part question for the masses: What fighter plane was designed with inwing flotation devices and what happened that they did nt make it into production? Yes I know pretty easy but go for it
03-07-2010, 09:07 AM
#595
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RE: Knowledge Quiz for Warbird wiz
Interesting question; especially as several fighter aircraft were fitted with emergency flotation devices. The Sopwith 1-1/2 Strutter was fitted with in wing flotation devices as early as WWI; and the Dornier 17Z-5 (one of several fighter versions of the bomber aircraft produced) had in wing flotation devices fitted when used in its anti-shipping role. (I believe all of the Z variants were considered to be fighters by the Luftwaffe). And, of course, the Japanese Zero had flotation devices, but they were in the fuselage. But, all of these devices *were* fitted. Your question seems to indicate you're looking for an in-wing flotation device that *wasn't* fitted for some reason, correct? Thanks; Ernie P.
03-07-2010, 08:29 PM
#598
RE: Knowledge Quiz for Warbird wiz
Thanks...
I had F4F at first, then I 2nd guessed myself and edited my post to say F3F or FF-1 but I was pretty dang sure it was a Grumman "barrel"...
Gimmie a little while to think up something...they're getting a bit tougher to come up with.
I had F4F at first, then I 2nd guessed myself and edited my post to say F3F or FF-1 but I was pretty dang sure it was a Grumman "barrel"...
Gimmie a little while to think up something...they're getting a bit tougher to come up with.
03-08-2010, 12:09 AM
#599
RE: Knowledge Quiz for Warbird wiz
OK...it's late Sunday night and I'm really tired, but let's see if I can get something going here...don't wanna make youze guys wait too long.
B-47 crews used a certain form weapons delivery....however, it was used only for a relatively short period of time.
1) What was that delivery "system" ?
2) Why did they stop using it?
B-47 crews used a certain form weapons delivery....however, it was used only for a relatively short period of time.
1) What was that delivery "system" ?
2) Why did they stop using it?