Algodoo

It's a bug.
There is a glue used and glue things has problems in this beta.
to Kilinich:
helicopters need tale rotor because of air friction but in this case turning off air friction changes nothing.
to Author:
explain why fixing those two thin rectangles to wheel stops this bug.

if I click too fast (release mouse button too fast) the circle appears in that spot and sometimes it displays mere digits.

add something like altimeter and radar
10/10

Phun needs "export as game" feature.