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Do you want to know how realistic our Beaver really is? Well, let’s
do some
math (don’t worry, it’ll be fun!). The original Beaver is built
to 40% scale
and the empty weight of the original Beaver is 1361 kg. If you scale this
down (1361 kg/2.5³ or 1361 divided by 15.625), you arrive at an empty
weight
of 87.1 kg for the model Beaver. The prototype, however, tipped the scales
at only 77 kg. When we checked the center of gravity it turned out that the
aircraft was tail heavy and needed quite a bit of lead under the cowl—10
kg,
to be exact. Let’s do some more math, shall we? The motor of the original
Beaver, a Pratt & Whitney R-985 Wasp Jr. radial engine, weighs in at
300 kg.
Scaled down to our 40% size, this engine would weigh 19.2 kg. But the Moki
S400 weighs only 9 kg—there’s your missing 10 kg! Pretty incredible,
don’t
you think? |
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DEUTSCH 
ENGLISH
