I recall meeting a guy in the mid 80’s who was working on a film script for a “fictionalised” account of the flight over Everest ( lots of lurv interest etc.)
I think this may well be linked as flying replicas were mooted.

The Rotodyne wasn’t of course by definition a helicopter.
The noise from the tip jets was however horrific when it was in vertical flight and this didn’t help it’s case, although this problem was allegedly close to some sort of a solution.
I would suspect the real reasons for it’s demise lie more with the forced political integration of rotary wing aviation under “Wastelands” and the subsequent rationalisation of the sector ; resulting in the Westminster also being chopped and its remains dumped in a quarry. The sad remnants of the Rotodyne lingered for many years at Cranfield post dismemberment of the aircraft -it certainly seemed to have had no friends at the company headquarters in Yeovil!
One looks to Groen Brothers in Utah to see what might yet still be possible with the Rotodyne concept.

If you look at the clip from You Tube I posted above you will find that the Roy Marsden character was flying for the RAF Transport Command in the first episode.

No, I’m happy to take your word for it.;)

I refer you to Aeroplane Monthly of Nov 78. Again there referring to “From Bleriot to Spitfire” Lewis regards the A.
” as a handful to fly from O.W. and, in keeping with most tailless aircraft it has some bad habits. Much of the trouble stems from the u/c and short moment of the fuselage…………..”
As expected it was also very underpowered with a climb rate of 60 fpm.:eek:

..the “Belvedere” is a Bristol 173

(I am not aware of any complete survivors or major components?)

IIRC I saw some Siskin III upper wings somewhere -in the RAF Museum?

This concept goes back at least to WW2. A test Liberator with underwing luminescence (to minimise information from shadows) was able to stay undetected down to about 3nm distance IIRC.
More recent land based experiments – illuminating the lower sides of vehicles, again removing shadow, have given encouraging results for many years.
Not new, but a new twist on a fairly well known approach to camouflage technique which may already be in use in some programmes.

It’s the EMI Multisensor Recce Pod. It was just over 22ft long and weighed about 2,500lbs. It was Non-jettisonable incidentally.