Low level ride - that point probably relates directly to the MiG 21 rather than deltas in general, witness the TSR 2, a delta wing bomber that was
designed specifically to give the best ever low level ride (you should read the test pilot reports, such as mach 1.1 while terrain following and
drinking a cup of tea with no hands on the controls at all, how British
) The ride comfort of the TSR 2 when low and fast is still unsurpassed,
reportedly, so thats not it.
I think the quiestion is far more complex than any of us on here can explain (except maybe kilcoo, who knows about this stuff).
If the question is related to pure delta's then the question itself is wrong. The reason for this is that the USAF is the only air force ever to put
pure delta's into service (and all of them built by Convair). All the rest are clipped delta's (Mirage, MiG 21 etc), double delta's (eg Draken,
Flagon F) notched delta's (Lightning) compound delta's (Vulcan, Concorde) or delta canards (Typhoon, Rafale etc)
The pure delta is actually quite inefficient without some 'fix' or other applied to the design.
An example of this is the pure delta of the Avro Vulcan Prototypes which was subject to horrendous problems until the compound curved and drooped
leading edge was introduced for the production B.1, This compound leading edge was even further exaggerrated on the B.2 version.
For reasons such as this 'pure' deltas were generally a feature of prototypes and research aircraft in Europe and never made it to squadron
It is quite wrong to think of the wings of modern deltas as basic triangular slabs, the design of modern delta wings is much more complex than that.
If it is inferred in the question that the wings of the Typhoon, Rafale Gripen et al are aerodynamically on a par with those of the F-102 and B-58
then that is a misconception that should be done away with.
I only wish I had the technical skill to explain why but alas I don't. That is not to say I don't understand why, only that I cannot find the
Also, why does nobody recognise the F-22 has having a delta wing? It is very definitely a delta and is quite close in shape to the Typhoons in terms
of the aspect ratio.
[edit on 14-3-2006 by waynos]