In a similar but more simple way than today. You had an engine or two to move it forward, curved wings to give lift, and all the same controls surfaces. Their main differences were cable operated controls, simpler (if any) radios and much less power.
Erm the 1930s is an intresting period both stylistically anel historically.
The period in the 1930s in which millions of people were out of work was the Great Depression. This was the decade that preceded World War II.
they work on planes
it was hard for black people
In the 1930s, trains and ships were often used for transportation. They also used cars, trucks, planes, and even horses and wagons at this time.
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they work all day during the war
they had to be hand operated meaning u had to pull up on a handle in the front of it to open it (p.s electricity wasnt invented in the 1930s)
There was no work in Canada in the 1930's the commies took it over
Planes fly better when the wings are on the outside. Usually any even number will work fine.
the uses of energy is to do work or to work the transport such as:train,planes,cars,e.t.c.......
Answer The ones you never hear about. Most early airplanes had some flaw or problem with the engine or construction that was a problem. But the planes that did not work at all or were had poor performance did not go into production.