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#31
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![]() "Eunometic" wrote in message om... "Keith Willshaw" wrote in message ... "Ed Majden" wrote in message news:k%wVb.441193$ts4.223591@pd7tw3no... The US daylight bombers required a co-pilot for the physically and mentally fatiquing task of close formation flying upon which their defensive boxes were based. Lancasters just bumbelled along in bomber streams at night presumably on auto-pilot much of the way. Incorrect. That would have been an excellent way of committing suicide. One of the reasons that Lancasters flew in such loose formations was that they were constantly weaving to uncover blind spots and spoil the aim of any fighter. Moreover the standard tactic on spotting an enemy fighter was NOT to return fire but to enter a series of violent evasive manoeveurs called a corkscrew. Keith |
#32
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On Mon, 09 Feb 2004 18:58:08 GMT, "Ed Majden"
wrote: I expect all newly recruited pilots/aircrew would take training whether they enlisted by coming up to Canada or going directly to Britain regardless if they were trained. American recruits, who normally always joined the RCAF after crossing into Canadian territory, would receive their Elementary Flying Training in Canada. In general the final stage of training at an Operational Training Unit was the only one reserved for in-theatre provision, e.g. RCAF aircrew posted to the UK would receive their final operational training at an RAF OTU or HCU. The only exceptions to this were a minute number of Americans who volunteered for RAF service in the UK and were accepted for RAF training in the UK, almost all of whom did so in 1939-40. After that point, the majority of (but not all) aircrew were shipped abroad (typically to Canada, South Africa or Rhodesia) to begin their training in the EATS. Gavin Bailey |
#34
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Subject: Why would an RAF pilot become a USAAC co-pilot?
From: (Michael) Date: 2/10/04 1:04 PM Pacific Standard Time Message-id: (ArtKramr) wrote in message ... Subject: Why would an RAF pilot become a USAAC co-pilot? From: "Kevin Brooks" Date: 2/9/04 5:26 PM Pacific Standard Time Message-id: "ArtKramr" wrote in message ... Subject: Why would an RAF pilot become a USAAC co-pilot? From: "Ed Majden" Date: 2/9/04 10:58 AM Pacifi Most wanted to be pilots but the greater majority ended up as Navs, Air Gunners, Wireless Operators and Bomb aimers eventually assigned to No. 6 Bomber Group (R.C.A.F.). Ed Makes no difference what you wanted to be. You were assigned where you were needed. Yep, for the most part (though I do know one WWII vet who, upon finding out his entire aviation cadet class was being cancelled and the newly enlisted members being reassigned to other duties, flatly refused to train as a radio operator--and got his assignment to gunnery school that he was willing to take). Kind of strange to hear you admit that, though--wasn't that long ago you were claiming that all of those who wanted to engage in direct combat operations could do so, regardless of what the "needs of the service" were. Brooks Arthur Kramer Nobody got out of combat duty. Yeah, but a while back you made the comment that all anyone who really wanted to get *into* the fight had to do was ask to be transferred to the fighting, and they would. And that anyone who said they missed out on fighting due to where they were assigned at the time was basically hiding behind an excuse. But then in this thread you turn around and say "Makes no difference what you wanted to be. You were assigned where you were needed." So which is it? Can everybody who wants to fight ask for a transfer and be sent there, or do people sometimes get stuck in capacities and places that aren't in the thick of the action? ~Michael I should have said that you were assigned to the COMBAT unit where you were needed. Arthur Kramer 344th BG 494th BS England, France, Belgium, Holland, Germany Visit my WW II B-26 website at: http://www.coastcomp.com/artkramer |
#35
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"Keith Willshaw" wrote:
"Eunometic" wrote in message . com... "Keith Willshaw" wrote in message .. . "Ed Majden" wrote in message news:k%wVb.441193$ts4.223591@pd7tw3no... The US daylight bombers required a co-pilot for the physically and mentally fatiquing task of close formation flying upon which their defensive boxes were based. Lancasters just bumbelled along in bomber streams at night presumably on auto-pilot much of the way. Incorrect. That would have been an excellent way of committing suicide. One of the reasons that Lancasters flew in such loose formations was that they were constantly weaving to uncover blind spots and spoil the aim of any fighter. Moreover the standard tactic on spotting an enemy fighter was NOT to return fire but to enter a series of violent evasive manoeveurs called a corkscrew. Keith I thought it was called 'Jink' or 'jinking' wasn't it?...I know that there was that selection on the Lanc autopilot. We never tried it, we had been scared because there was a rumour that it produced violent random maneuvers. -- -Gord. |
#36
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![]() "Gord Beaman" wrote in message ... "Keith Willshaw" wrote: Moreover the standard tactic on spotting an enemy fighter was NOT to return fire but to enter a series of violent evasive manoeveurs called a corkscrew. Keith I thought it was called 'Jink' or 'jinking' wasn't it?...I know that there was that selection on the Lanc autopilot. We never tried it, we had been scared because there was a rumour that it produced violent random maneuvers. -- Possibly a difference in terminology between the RCAF and RAF but I think jinking was a less violent manoeveur used to confuse flak prdictors by making short random changes of heading and speed The RAF aircrew I talked to definitely called it a corkscrew because thats what the flightpath of the aircraft would have looked like, it involved some really radical flying for such a big aircraft. One gunner I talked to said that anyone who saw a fighter would literally scream over the intercom something like 'Corkscrew port now' and the pilot would do it without question. http://www.valourandhorror.com/BC/Tactics/Corkscrew.htm Keith |
#37
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"Keith Willshaw" wrote:
"Gord Beaman" wrote in message .. . "Keith Willshaw" wrote: Moreover the standard tactic on spotting an enemy fighter was NOT to return fire but to enter a series of violent evasive manoeveurs called a corkscrew. Keith I thought it was called 'Jink' or 'jinking' wasn't it?...I know that there was that selection on the Lanc autopilot. We never tried it, we had been scared because there was a rumour that it produced violent random maneuvers. -- Possibly a difference in terminology between the RCAF and RAF but I think jinking was a less violent manoeveur used to confuse flak prdictors by making short random changes of heading and speed The RAF aircrew I talked to definitely called it a corkscrew because thats what the flightpath of the aircraft would have looked like, it involved some really radical flying for such a big aircraft. One gunner I talked to said that anyone who saw a fighter would literally scream over the intercom something like 'Corkscrew port now' and the pilot would do it without question. http://www.valourandhorror.com/BC/Tactics/Corkscrew.htm Keith Ok...thanks Keith, sounds right. -- -Gord. |
#38
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On Wed, 11 Feb 2004 06:17:35 GMT, "Gord Beaman" )
wrote: I thought it was called 'Jink' or 'jinking' wasn't it?...I know that there was that selection on the Lanc autopilot. We never tried it, we had been scared because there was a rumour that it produced violent random maneuvers. Not sure I'd like the concept of WW II era technology autopilot jinking! Jinking, however, is still the terminology for random, sometimes violent maneuvering to spoil a guns solution, either ground-based or aircraft. Since ground based guns have a finite time-of-flight, the lead solution can be quite a distance. Continual random changes of heading and altitude can very easily spoil the solution. Shorter time of flight requires more aggressive maneuver. Be sure to understand whether you are dealing with aimed or barrage fire from the flak guns. If aimed fire, then jink. If barrage fire, continue straight through the barrage sector in the shortest period of time. In A/A engagements, jinking is used to destroy the guns solution of the close-in attacker. Again, it is violent and random. If below corner velocity for the aircraft, it should involve full stick displacement at max rate (below corner you can't over-G the bird). Negative G is often a component. Ed Rasimus Fighter Pilot (USAF-Ret) "When Thunder Rolled" Smithsonian Institution Press ISBN #1-58834-103-8 |
#39
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Subject: Why would an RAF pilot become a USAAC co-pilot?
From: Ed Rasimus Date: 2/11/04 7:19 AM Pacific Standard Time Message-id: On Wed, 11 Feb 2004 06:17:35 GMT, "Gord Beaman" ) wrote: I thought it was called 'Jink' or 'jinking' wasn't it?...I know that there was that selection on the Lanc autopilot. We never tried it, we had been scared because there was a rumour that it produced violent random maneuvers. Not sure I'd like the concept of WW II era technology autopilot jinking! Jinking, however, is still the terminology for random, sometimes violent maneuvering to spoil a guns solution, either ground-based or aircraft. Since ground based guns have a finite time-of-flight, the lead solution can be quite a distance. Continual random changes of heading and altitude can very easily spoil the solution. Shorter time of flight requires more aggressive maneuver. Be sure to understand whether you are dealing with aimed or barrage fire from the flak guns. If aimed fire, then jink. If barrage fire, continue straight through the barrage sector in the shortest period of time. In A/A engagements, jinking is used to destroy the guns solution of the close-in attacker. Again, it is violent and random. If below corner velocity for the aircraft, it should involve full stick displacement at max rate (below corner you can't over-G the bird). Negative G is often a component. Ed Rasimus Fighter Pilot (USAF-Ret) "When Thunder Rolled" Smithsonian Institution Press ISBN #1-58834-103-8 You might be interested in going to my website and reading," FLAK, EVASIVE ACTION AND THE DEADLY GAMES WE PLAYED". Arthur Kramer 344th BG 494th BS England, France, Belgium, Holland, Germany Visit my WW II B-26 website at: http://www.coastcomp.com/artkramer |
#40
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Ed Rasimus wrote in message . ..
On Wed, 11 Feb 2004 06:17:35 GMT, "Gord Beaman" ) wrote: I thought it was called 'Jink' or 'jinking' wasn't it?...I know that there was that selection on the Lanc autopilot. We never tried it, we had been scared because there was a rumour that it produced violent random maneuvers. Not sure I'd like the concept of WW II era technology autopilot jinking! Jinking, however, is still the terminology for random, sometimes violent maneuvering to spoil a guns solution, either ground-based or aircraft. Since ground based guns have a finite time-of-flight, the lead solution can be quite a distance. Continual random changes of heading and altitude can very easily spoil the solution. Shorter time of flight requires more aggressive maneuver. Be sure to understand whether you are dealing with aimed or barrage fire from the flak guns. If aimed fire, then jink. If barrage fire, continue straight through the barrage sector in the shortest period of time. How do you tell the difference? This is an extract from the oral History the IEEE is accumulating. In this case an inteview with John Bryant who developed the SCR-584 radar gun director of WW2. http://www.ieee.org/organizations/hi...davenport.html We learned two very surprising things: One was that we could see the echo from the shells as they left the gun and watch as they climbed toward the target. The most startling thing was the slow upward progress of a shell on our scopes. It took what seemed to be an infinitely long time and gave plenty of opportunity for the airplane to move out of the way. There was much surprise that we could see a shell at all. But of course the rear diameter of these 90-millimeter shells wasn't so different from the 10 centimeter S-band that we were aiming at the back end of the shell on its way up to the airplane. The other thing that surprised us a great deal was the presence of spurious low altitude signals over water which we later tracked down to being seagulls. So the sensitivity of the unit was really quite remarkable with our home made crystal detectors. Before continuing I'd like to point out that seeing the 90 mm. projectiles in flight toward the target turned out to have much more significance than we realized at the time. Somewhat later the shells were purposely tracked when we became suspicious that the fuze timing seemed to be consistently in error by an amount that changed with range. I recall that XT-1 was used to measure gun muzzle velocities and to recheck the master ballistic tables that had been used to set fuze timing and gun aiming. Those tables turned out to be in error for the 90 mm,. gun. They were recomputed and all gun directors readjusted by the time the SCR-584 went into service In A/A engagements, jinking is used to destroy the guns solution of the close-in attacker. Again, it is violent and random. If below corner velocity for the aircraft, it should involve full stick displacement at max rate (below corner you can't over-G the bird). Negative G is often a component. The environment is of course getting more aggresive. I recall the Bofors's Trinity System 40mm AAA gun can fire of a series of individualy fired shots designed to bracket the target out to 5500 meters. The shells either have electronically timed fuses or proximity fuses. The barrel of this weapon is very precise and there has been a return to single barrel weapons from duel barrel of late to reduce vibration. Oto Melera tested a few 76.2mm guided cannon shells in the early 80s. I believe 50 yards of steering was available for each mile of range. US work in the field (for the AC130 howitizer) uses a nose twist steared shell instead of a fin steared shell. I suspect the development of actuators based on electrically deformin materials such as PZT laminates will make guided cannon shells more common. Ed Rasimus Fighter Pilot (USAF-Ret) "When Thunder Rolled" Smithsonian Institution Press ISBN #1-58834-103-8 |
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