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[warspite]

I am trying to design a transport in tandem with the victory build, it has to carry both ships of the line, now you have me thinking of a floating dock 

[Plastic - RIP]

Assuming 1/96 and having to lift vessels of maybe 15kg, I'm thinking 12V car tyre compressors driven from ESCs would be capable of producing enough air pressure & volume to displace the water from inside the dock.

Could a model aircraft auto-level gyro be used to divert power to each side to keep it level while pumping?

[Akira]

A sub auto leveler would work perfectly. Heli and aircraft gyros are rate gyros and would not work.

[Plastic - RIP]

I'm also thinking of 5mm PVC foam board for the structure - no problems with deterioration of wood and easy to glue with PolyPipe. It's a simple egg-box structure and it's all straight lines so simple to build too.

Could be an interesting and quite a cheap project to build.

Anyone got any useable drawings with some approximate dimensions - I found this on the web:

AFDM-3 Class Medium Auxiliary Floating Dry Dock:

• Built by Chicago Bridge & Iron Co., Eureka, CA
• FInal disposition, scrapped in the Philippines, 2016
  Specifications:
  Displacement 8,000 tons
  Length 622'
  Beam 124'
  Draft 6 ft
  Armament (WWII) 2 40mm, 4 20mm
  Complement 4 Officers, 146 Enlisted
• Commissioned as USS YFD-64, 28 November 1944
• Decommissioned at Guam, 08 June 1946
• Redesignated AFDM-8, 01 August 1946
• Placed in service, 01 January 1947
• Named Richland 06 April 1968
• Struck from the Naval Register, 22 August 1997
• Transferred to the local redevelopment authority in Guam, 06 April 1999

[Akira]

PVC foam board, called Sintra over here, would be fine.
See my earlier post about drawings.

[kiwi96]

I have ordered the plans from the Floating Drydock. Scale 1/96.
Will review once they arrive.