Hi gums,
Apparently, he discarded that design due to weight or something
My understanding comes from reading the patent and other first-hand writings by Dr A.
Having calculated what was required to do the job, ie to sort out the compressor and then use the air to advantage in the a/b, his genius lay in how to do it with minimum carve-up to the existing a/b J58 and with minimum impact fitting it into the nacelle.
The six tubes did just that, requiring the minimum mods to as few existing engine components as possible. This equated to a very cost effective solution and very reliable I believe especially when you look at things like the expansion bellows on the tubes.
Glad you rate the thread.
