0 items in cart click here to go to basket page - £0.00

[DOWNLOAD] Sound and Heat Barrier. 70 years ago the a press release stating that Lts. Harold E. Comstock and Roger Dyar had exceeded the speed of sound (590 mph) during test dives in the P-47 Thunderbolt.(1942).

Sale!

£2.00 £1.00

70 years ago the a press release stating that Lts. Harold E. Comstock and Roger Dyar had exceeded the speed of sound (590 mph) during test dives in the P-47 Thunderbolt.(1942).

Buy A3 Print here

20 in stock

SKU: SoundandHeatBarrierdownload Categories: ,

Description

70 years ago the a press release stating that Lts. Harold E.Comstock and
Roger Dyar had exceeded the speed of sound (590 mph) during test dives in the
P-47 Thunderbolt.(1942). It is also reported that once the speed of sound is
exceeded, this condition disappears and normal control is restored, this is
now not a problem.