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SAM damaged A6 Intruder.

Mon Dec 27, 2010 9:19 am

I remember a story told me by someone who worked for Grumman during the Vietnam war. An A6 Intruder was damaged by a SAM and after recovery was found to have a piece of the SAM warhead embedded in the wing spar. On ship a repair to the spar was fashioned that included reinforcing plates that covered the piece of warhead allowing the aircraft to complete missions before rotating back to Grumman for a full rebuild. Now the questionable part, supposedly back at Grumman given the pace of rebuilding damaged aircraft and the fact that the piece of the warhead was so completely fused to the spar an engineering study was made that determined to replace the temporary repair with a permanent one still leaving the war head fragment in place! True or urban myth?

Re: SAM damaged A6 Intruder.

Mon Dec 27, 2010 9:30 am

John Dupre wrote:reinforcing plates that covered the piece of warhead


John Dupre wrote:the piece of the warhead was so completely fused to the spar


So, they were able to weld and rivet around a SAM 'warhead', and it didn't go off (either low order or high order)?

I just don't see how that's even possible.

In addition, I don't see how it would be possible for an explosive package to 'fuse' to a piece of metal without an explosion or fire to begin with.

My vote is myth.

Re: SAM damaged A6 Intruder.

Mon Dec 27, 2010 5:34 pm

are you saying a fragment from an SA-2 warhead (250 lbs right?) was embedded in the spar in such a way that it's removal would have compromised flight worthiness?

Re: SAM damaged A6 Intruder.

Mon Dec 27, 2010 5:51 pm

In England we have a term for this.. B*****s!
I agree that the lads on the carrier might have done a repair on the spar that might not have been 100% as per the manufacturer, but nobody would leave anything like that on an aircraft.

Rgds Cking

Re: SAM damaged A6 Intruder.

Mon Dec 27, 2010 6:39 pm

Most likely would have been reduced to spares and then deep-sixed.

Re: SAM damaged A6 Intruder.

Mon Dec 27, 2010 10:10 pm

push it over the side.

Re: SAM damaged A6 Intruder.

Mon Dec 27, 2010 10:16 pm

Push it over the side.

Re: SAM damaged A6 Intruder.

Tue Dec 28, 2010 11:34 am

I can't say that I believe an explosive warhead fragment was left in the aircraft structure. But perhaps that is not what they meant.

It's worth pointing out that explosive bonding is a welding method for dissimilar metals using high explosives. Perhaps they were looking at a rare instance where the metal fragments were fused.
http://www.highenergymetals.com/Enginee ... 20Page.pdf

Re: SAM damaged A6 Intruder.

Tue Dec 28, 2010 11:43 am

i mean this is not the same but...i work on guitar amplifier and synthesizers, quick road repair often leave lots of rough solder in places it doesn't really belong. field repairs are field repairs i suppose.

Re: SAM damaged A6 Intruder.

Tue Dec 28, 2010 1:48 pm

12XU2A3X3 wrote:are you saying a fragment from an SA-2 warhead (250 lbs right?) was embedded in the spar in such a way that it's removal would have compromised flight worthiness?


Is it possible that it was an SA-7 instead? The warhead on that is much smaller - 1.15kg.
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