A low tension coil for engine ignition is used in conjunction with a battery and an ignitor.

Following a series of launch procedures, a 120 second computer controlled automatic countdown sequence would be initiated, followed by engine ignition.

Bird one main engine ignition confirmed.

Gyrodyne turn in progress, ullage pressure maximal, three seconds to main engine ignition.

The drag chute door detached and fell from the orbiter at main engine ignition.

It had been shown in tests that ice on this liner, sometimes called a "baggie", would likely come off at main engine ignition.

The TEB produced a characteristic green flame, which can often be seen during engine ignition.

A bat attached itself to the shuttle's bullet-shaped external fuel tank during the countdown and hung on through engine ignition.

You don't transfer much heat into the deep soil during engine ignition.

Small rocket engines are sometimes used to settle the propellant prior to the main engine ignition.