Options are included to simplify the flight model for beginners.

One of the few common complaints was a fairly simplistic flight model.

"We have developed and tested a small flight model of a fusion rocket," Randolph said.

With free flight models, this usually results in a stall or loop at the end of the initial climb.

Allegiance has a reputation for not being an easy game to learn, even with its simplified flight model.

There are a number of classes of indoor free flight models.

Missions: Development occurred from 1967-1971, no flight models were produced.

Its flight model is also within the possibilities of current technology, making it a so-called "nearly realistic" spacecraft.

This detailed flight model is generally only available from the aircraft manufacturer.

Under terms of a follow-on contract, it built 6 additional flight models.