Re: [PSUBS-MAILIST] dome hatch lift force

["Jens Laland" <laland@artematrix.org>]

Alan and Øystein

What about the force vector (uplift) caused by a balancing spring or
counterweight (if any) on the hatch?

Shouldn't this difference be subtracted from the self-weight of the hatch?

** In addition the self weight of the hatch will cintribute to downward **
force.
** 2009/11/4 Alan James <alanjames@xtra.co.nz>

Best regards,
Jens Laland







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