Fri 25 Jan, 2019 03:35 pm - COSH (as I understand it) is the method of controlling craft altitude by releasing gas from tank into bags on airship displacing air and create lift, then pumping it back again to lose height,... (view)
Thu 24 Jan, 2019 01:59 pm - How to ask,
If an airship carries a tank or vessel of Helium aboard in order to utilise the COSH system why doesn't the pressurised Helium cause the ship to climb? (view)
Sat 17 Mar, 2018 03:28 pm - 'Hills' here in Northamptonshire look almost man made, I'd read about Drumlins and wondered if this is what they might be,
(they are sited in a valley if that is significant)
I... (view)
