I don't know, but maybe it could be an issue with the moment of
inertia? That might affect the spin behavior, and is a parameter
separate from CG.

My personal guess, is that there is no reason for the rule. It may be
like the reply that the British Tax office once gave to a question
about their tax rules: "There is no reason for this rule, it is simply
our policy"


At 02:52 04 June 2014, Bruce Hoult wrote:
On Wednesday, June 4, 2014 12:52:29 PM UTC+12, Karl
Striedieck wrote:
Anyone know why the Duo (and supposedly other
Doppelsetzers) have the
sam=
e minimum front seat weight with or without a person in the back
seat?