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I think this is probably the best thread, although is more around the Harrier I timescale in the early 60sIn issue 40 of TAH, there's an article on Hawker P.1163 / HS.1170 which seems to be basically a Harrier I with a BS.94/5 engine (BS.75 derivative) rather than anything to do with P.1154. There's few details on performance though besides Mach 1.7 at altitude.I assume that BS.94/5 was a refanned BS.75 with larger bypass ratio for increased dry thrust, and then PCB for lots more thrust. I think best comparison is against the contemporary Pegasus 5 which had 15,000lbf Vs 19,000lbf for the BS.94/5. I assume from a physically smaller and lighter engine. So I'd expect better climb, acceleration, max speed, sustained turn and bring back performance. But with added complexity of PCB.
I think this is probably the best thread, although is more around the Harrier I timescale in the early 60s
In issue 40 of TAH, there's an article on Hawker P.1163 / HS.1170 which seems to be basically a Harrier I with a BS.94/5 engine (BS.75 derivative) rather than anything to do with P.1154. There's few details on performance though besides Mach 1.7 at altitude.
I assume that BS.94/5 was a refanned BS.75 with larger bypass ratio for increased dry thrust, and then PCB for lots more thrust. I think best comparison is against the contemporary Pegasus 5 which had 15,000lbf Vs 19,000lbf for the BS.94/5. I assume from a physically smaller and lighter engine. So I'd expect better climb, acceleration, max speed, sustained turn and bring back performance. But with added complexity of PCB.
