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Shockwave Jet Truck Explosion At Airshow - 2 July 2022

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Shockwave Jet Truck Explosion At Airshow - 2 July 2022

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Old 7th Jul 2022, 21:32
  #21 (permalink)  
 
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Originally Posted by sandiego89
The repeated booms of the afterburners engagement on-off sure gets ones attention. I have seen (and heard and felt) them over the decades- and it seems the burner cans were homebuilt- as the original engines fitted to aircraft did not have afterburners. Looking like tire(s) failures somewhere in the sequence and it seems they used regular truck tires!!
I think you'll find there were a number of J34 variants with afterburners though nothing says they didn't make their own.
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Old 8th Jul 2022, 15:26
  #22 (permalink)  
 
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Originally Posted by meleagertoo
I think you'll find there were a number of J34 variants with afterburners though nothing says they didn't make their own.
Meleagertoo, I was basing my comments on the video that was posted as #14 in this thread where the commentator says@ minute 1:40 that the truck was equipped with three J34-48 (non-afterburning version) engines common to the T-2A Buckeye but had custom, or "homebuilt" afterburners fitted.
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Old 8th Jul 2022, 16:22
  #23 (permalink)  
 
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Blown tyre... Punctured tank... Reminds me something. Will there be a NTSB investigation?

Last edited by Petit-Lion; 8th Jul 2022 at 16:26. Reason: better word
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Old 8th Jul 2022, 20:52
  #24 (permalink)  
 
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Originally Posted by sandiego89
Meleagertoo, I was basing my comments on the video that was posted as #14 in this thread where the commentator says@ minute 1:40 that the truck was equipped with three J34-48 (non-afterburning version) engines common to the T-2A Buckeye but had custom, or "homebuilt" afterburners fitted.
A roll your own afterburner, even one limited to ground level use would be quite an achievement.
There were huge difficulties to get working burners in the early days. Putting the heaters in has a signiicant effect all he way forward through the engine. Not to say that you can't home build a copy of a later version's burners, but you will need the modified fuel control unit, as well as the nozzles, flame stabilising gutters etc. Etc.

N
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Old 8th Jul 2022, 22:22
  #25 (permalink)  
 
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Originally Posted by Bengo
A roll your own afterburner, even one limited to ground level use would be quite an achievement.
There were huge difficulties to get working burners in the early days. Putting the heaters in has a signiicant effect all he way forward through the engine. Not to say that you can't home build a copy of a later version's burners, but you will need the modified fuel control unit, as well as the nozzles, flame stabilising gutters etc. Etc.

N
Bengo, it's not like they are creating something that doesn't exist. All of the major technical engineering work has been done it now a modification of a burner to work on the current engines

Last edited by Bksmithca; 9th Jul 2022 at 03:32.
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Old 9th Jul 2022, 02:09
  #26 (permalink)  
 
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There are seven versions of the J34 that have after burners, I'm sure adaption of one to the version he used wouldn't have been an overly complicated task.
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Old 11th Jul 2022, 07:14
  #27 (permalink)  
 
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Smile

Originally Posted by Bengo
A roll your own afterburner, even one limited to ground level use would be quite an achievement.
There were huge difficulties to get working burners in the early days. Putting the heaters in has a significant effect all the way forward through the engine. Not to say that you can't home build a copy of a later version's burners, but you will need the modified fuel control unit, as well as the nozzles, flame stabilising gutters etc. Etc.
N
Bengo

Whilst I agree that a homemade afterburner would be sporting achievement, remember that a key feature of afterburner is that it "should" have minimal effect on the core engine.
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