JU-87 Stuka Racing and Unusual was flown with a retractable

was flown with a retractable tailwheel

but WW II ended before the aircraft could be employed in combat

The MD-90 is the largest member of the Douglas/McDonnell Douglas/Boeing DC-9/MD-80/MD-90/717 family

Undoubtedly a classic airliner

Wingspan 11 1/4 inches

JU-87 Stuka Racing and Unusual was flown with a retractableJunkers JU 87 Stuka airplane model. Prior to the Second World War, the Germans were experimenting with how to increase the accuracy of air bombing attacks. One solution was to use dive attacks, which greatly increased the chance of hitting the desired targets. By the mid 30s, a number of German aircraft manufacturing companies were experimenting with planes that could fulfill these dive bomb attacks. The Junkers Ju 87 proved to be the most promising