After more than one year of developing ,for Portachiavi 3D is pleasure to present… The new very BIG scale of weight and CG meter for heavy and big planes. This version is specially developed for F3A planes and planes with minium wing chord of 300mm and weights between 1kg to… 30Kg!!!

Regulable arms from 170mm wide to more than 300mm
Two LCD screens for easy adjust, and plastic and aluminium frame, he have our bi-material technology, and lot of new improvements.

You can see more technical details after scroll down


250,00 Los precios incluyen IVA

Información adicional

Type of sandwich construction for arms / Tipo de construcción sandwitch, para los brazos *

You can select between our acrylic, aluminium or dibond arms frame support.
Puedes elegir la composición del sandwich de construcción de los brazos de soporte.

Tall Size *

You need to measure your bigger plane distance between under wing to floor to know the distance.

Descripción del producto




If you need help or info to make the order please sent email to



Min Max
Wing chord 300mm
Peso1 1 Kg 35Kg
 Wider Fuse 170mm 340mm
Tall of fuse from under wings to land 250mm




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