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I didn't miss the point - I said slab elevator. And then I asked you how 'trim' would solve the problem if the entire elevator was immersed in turbulent flow.
But he didn't say 'I don't know'. He agreed with the RAE. And he DID design a supersonic jet that flew in the HA 300 so he would have been qualified to contradict his earlier position by the mid 1960's at the very latest. But, as far as I know at least, he didn't, for whatever reason.
Speaking purely subjectively I think the p1101 could have gone supersonic in a dive relatively safely but I am happy to accept the RAE/Messerschmitt view that the 262 could not.
The IAS of Martindales dive was 0.92, this was subsequently revised downwards to 0.89 and is considered the accurate speed.
have you source for that? RAF had a/c in service with movable horizontal stabilizer at that time.
Now those Spitfires were fully instrumented for those high speed dives, so we know what their instrument readings were, how about Muthke's 262?
The British however don't seem to have known about the full use of the fully movable horizontal stabilizer trim and used only the trim tabs, which explains their findings.
Hello Ponsford
you beat me by 20 minutes, I just dug out my copy of that report from the hard drive of my second pc (ret.). But the main thing is that the report is posted here.
The key word is TYPICAL, it wasn't just one odd dive but series of dives flown by the pilots of High Speed Flight Section, one of which was certain Lt Cdr Eric Brown.
Juha
Addition, Ponsford, P-51B might well have done better, if not for other reason at least it could have climbed higher, Allison Mustang dives were started at 28000ft because of its ceiling limitations.
Soren did the Me 262 feature functioning elevator trim tabs?
Yes ofcourse, I have no idea why the one at Wright field didn't.
For reports on the Me-262 read here:
Flying the Messerschmitt Me-262