Spent a little time in loft making a list of what I have. So below is a revised list.
Westbury seagull x2
Stuart turner lightweight single
Peewee v4
Wall 604 duplex marine
Wall wizard flat twin
Atom* x2
Pratt whitney R985 radial
Pratt whitney r1830 radial
The phoenix edgar westbury
Wall 10cc single
Orr tornado 65
Westbury whippet x2
Westbury sealion x2
1938 chunn chum
Single j5
Channel island special x3
Feeney x2
Dynamotive merlin
Gypsy 1/4 scale
Lindberg hornet
Br2 inlet castings x2
Titan 60 x2
Windsong
1938 bantam
Falcon 1 5cc by 1066
Peewee set from karl spielmaker
Vivell no drawings
M and m no drawings
Nova no drawings
Atom minor
Morton m5
Cave cobra 1946
Wall 4 cylinder
Featherweight* wall aero rotary valve (falcon)
Kittiwake
Falcon flat twin ( John t Fergusson)
Condor Flat four ( John t Fergusson)
Gnome x2
Aeronca
Brown jr
Holt caterpillar
Wright j5 radial heads& rockers require crankcase
Daimler 1885
Mercedes 1909
Corliss* tandem twin. (Twin flywheel)
You are missing a Kiwi