Oh....yes. The augmentor tubes. As Centaurus pointed out, I have learnt at the very early stages of my Queenair days not to attempt to start up with even the slightest of tailwind. Two things I always remembered with Queenairs....make sure the fuel drain next to the augmentor was fully closed after sample taken and make sure there were no signs of fuel leak at the spar attachment which was right next to the augmentor.
I think there was a fatal crash of a Queenair near Roma in the seventies due to a fuel leak near the augmentor. The wing caught fire on take off and by the time the pilot attempted to turn back it has burnt through the spar causing it to crash.