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Original Year
 1996
# of pieces
 124
Categories
 Other: Watercraft
Dimensions
 21(L)x12(W)x10(H)
Features
 Propeller
Other Views

8223 Hydrofoil 7
iso revolve
Click the image to download the LDraw file of this model.
Model by Benjamin Wendl
The second smallest set of 1996 was the oddly named 8223 Hydrofoil.  Nothing in the design of this little set really suggests a hydrofoil, especially given the complete lack of foils.  It appears to be something more like an air boat.  The "7" in the title, in any case, is easily explained by the sticker on the front.  Watercraft are among the rarest of Technic subjects, so it is always nice to see one.  This Tech Play model features only a single feature: a rear propeller which spins as a function of forward speed.  The steering wheel is purely ornamental.  This model also includes a Technic figure.

Features
Propeller
A pair of wheels hidden under the rear of the vehicle drive a 3-blade pusher propeller.  Given the two stages of gear increase, an overall ratio of 4.5:1 drives the prop at a very respectable rate.  The rubber sleeves on the wheels provide adequate traction on most surfaces to drive the prop without slipping.



 prop    prop
Click for an animation of the propeller in motion.
Dude
This craft is captained by a curiously mustachioed gentleman wearing a blue vest. He appears only in this set and in the 8714 figure assortment.
 dude
 

Other Views
Side View
side view
 Top View
top view
Front View
front view		 Back View
back view
Computer Render
Render

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