chrisjo, Yes, you are correct.
Wartsilaone, What do you mean by "so the extra weight of the metal powered chassis is more or less off set by the added weight of a second battery to lug around"?
The battery adds extra weight and the metal construction adds weight. There is no "offset".
-plarnold
Wartsilaone, What do you mean by "so the extra weight of the metal powered chassis is more or less off set by the added weight of a second battery to lug around"?
The battery adds extra weight and the metal construction adds weight. There is no "offset".
-plarnold