Last try to elicit some sort of response!

First flew in 1939. Originally powered by a 350cc Douglas motorcycle engine. Latterly it had an ABC Scorpion up front. 'Nippy' never bothered the ARB concerning the niceties of registration, CofA, etc.. The aeroplane does not seem to have survived the war. However 'Nippy' survived until 1976.

Camsell monoplane

I just started searching this evening.
It seems everybody has taken a week off?
Even with your latest directions it was quite some search.

Well done, SLB. You have it. C'est à toi!

Thanks I found references on
Key aero

please stand-by for the next challenge.
I will have to make some retouches on a photo.

There it is:

https://cimg8.ibsrv.net/gimg/pprune....36d36b7a2.jpeg

Does it have four wheels tucked under the belly 737 style? But the engines also show wheel doors. Very strange!

Hmm... this is one of those 'I know I've seen that somewhere' situations....

Edit: It's a variant of the Elbit/Silver Arrow Hermes 1500 UAV. The 'regular' Hermes 1500 lacks the widened fuselage and ventral fin, so this is a mission specific variant, but I haven't been able to find out which variant.

It is indeed a variant on the Hermes 1500 Silver Arrow.
Probably an early variant.
And I saved it on my list of possible challenges just because of the quad/tricycle confusion.

Jelle please play ball.

A ball of string? Lots of strings on this aerial conveyance...
https://cimg5.ibsrv.net/gimg/pprune....1e655fa9ee.jpg

That is a Dunne, and a quick Google reveals that it is the Burgess-Dunne of 1914.

Open House, please.

The Burgess-Dunne Seaplane (of the Canadian Air Force) was the subject of this image. So Flightless Parrot takes the points.

Seeing as it's open house, let's see how long this one will last:

https://cimg7.ibsrv.net/gimg/pprune....64e1672c5a.jpg

I think I only saw Italian airplanes placed on a barrel or wooden horse to picture them level.
Not unlike Ansaldo but definitely different.

The French had the same habit.

My young lady tells me it is a Boeing XPW-9 /Model15.

Sorry will have to be OH.

I think your young lady is right
I was looking at Curtiss but did not find a match. With your answer I quickly found this

https://cimg1.ibsrv.net/gimg/pprune....a2c09f04f6.png
Same plane, probably same day, but the barrel has gone!

It is indeed the Boeing Model 15/PW-9. The first Boeing fighter to be operated by the US Army Air Service. It used a 440 hp Curtiss D-12 engine. I'm not sure that the SDASM image was taken on the same day as the background is not the same, and I did not edit the photo I posted. It does not show a registration or any marking on the vertical tail.

longer ron takes the points, but has declared open house.

On y va !

https://cimg8.ibsrv.net/gimg/pprune....8bab70431d.jpg

Deperdussin monoplane. F-PDEP perhaps?

That's the one, the Type T replica at Châtellerault in 2016. Your turn, sir.

Quick one from an old photo, this shouldn't be too difficult...

https://cimg7.ibsrv.net/gimg/pprune....191b9b7049.jpg