Not everything here is new to the con drsation but this is from a conversation I was having with someone elsewhere.
Just a few Australian vehicles designe, built, custom ordered or modified uniquely for Australia
Aircraft
-3 boomerang varients (2 in game)
-woomera light bomber.
-Beaufighter mk21 (in game
-australian built beuforts had unique defensive configurations, .50 cal machine guns, larger tail and redesigned encosed undercarriage, radar and modified to use american and british anti naval mines, torpeos etc.
-Australian built mosquitos were built of different materials making them less prone to damage and were trialed with different weapons like twin 40mm boffors.
-various australian built CA 21-23 Mustangs using various british and american built engines. 1 unique varient existed using the Rolls Royce Dart turboprop engine.
-CAC CA-15 Kangaroo
-CAC built Vampire jet. multiple varients but the most unique is the F.30, fB.31, F32 with the most notable improvements being the reinforced shortened wings and the FAR more powerful NENE engines making more comparable in engine power to the Venom ( a bit more if i recall).
-CAC sabre. complete redesign of the sabre improving almost every aspect of the sabre and unique to Australia.
-2 versions of the Mirage but 1 being a single prototype didnt see service.
-F-111 C and F-111 G with various life upgrades.
-ARH Tiger. a unique design of the Tiger helicopter with modified design by australia and constructed in Australia. upgraded engines, laser designator, 70mm rockets instead of sneb etc.
-a4 g. jet special made for the RAN
Tanks
-around 6 variations of the AC cruiser tanks combinations of 3 hulls, 3 turrets and 3 or 4 gun options
-Carrier 2 pdr
-Yeramba SPG
-Rhino heavy armoured car
-Matilda 2 got additional armoured idler guards protection for the tracks idler protecting against 37mm ati tank guns. Anti granade plates covered the rear engine deck and tracks were welded around the tanks armour for additional protection (similar to that seen on the new AVRE churchill). and smoke generators were also available. New cupola providing all around vision instead of a scope and thicker armour. (hedghog in game)
-Australian leopard was unique for Australia.
-ASLAV
-Redback
-Australian built and unique configurations Boxer CRV
-FSV m113A1 with Saladin turret mounted with 76mm gun L5A1
-LYNX unique australian rheinmetall AFV trialled but not selected.
-Malkara atgm on Humber Hornet (pretty sure there was another vehicle too)
- a couple more recon vehicles of british origin like those above with different turrets but i just cant remember their names.
-m113 with scimitar turret