The ballast system has four integral tanks in the wings.

Fuel life:the integral tank gave 45 minutes burning time at full output setting.

Integral tanks are areas inside the aircraft structure that have been sealed to allow fuel storage.

The D shaped wing leading edges, ahead of the main spar, proved to be an ideal location for an integral tank.

The total fuel is contained in two fuselage bladder-type rubber tanks and a wing integral tank of 1720 lb.

To provide extra flotation allowing smaller floats, lighter structure and less drag, fuel was carried in integral tanks built into the floats.

They pioneered Integral Tank, Submerged Tank, and Mobile Linkspans under the direction of John Rose.

In the past, there have been a few fully refrigerated ships built with semi-membrane or integral tanks and internal insulation tanks, but these systems have only maintained minimal interest.

This throttle is attached to the choke tube on Sure Start .049 engines and can also be adapted to fit .049 reed valve engines with an integral tank.

Per the Code of Federal Regulations, most steel vessels with integral tanks are required to have sounding tubes and reinforcing plates under the tubes which the weight strikes when it reaches the bottom of the tank.