In comparison, rockets were more effective, especially because the 6-pounder was a significant weight penalty.

That means a weight penalty, which works against better gas mileage.

However, as the size of an aircraft increases, the additional weight penalty decreases.

If any of those other cars carried our weight penalty they wouldn't have a chance in this race.

The low carriage showed the weight penalty that came with armor and bullet-resistant glass.

This permitted the use of smaller missiles which, in turn, allowed an increased magazine capacity without weight penalties.

The weight penalties come in other forms as well.

First mentioned in 1984, a targa-roofed 2+2-seater version called the 2 Plus was also available, with only a slight weight penalty.

As the Derby winner he had to carry a weight penalty.

However, the engine must be sized for vertical lift, rather than normal flight, which results in a weight penalty.