A blimp, or non-rigid airship, is an airship (dirigible) without an internal structural framework or a keel. Unlike semi-rigid and rigid airships (e.g. Zeppelins), blimps rely on the pressure of the lifting gas (usually helium, rather than hydrogen) inside the envelope and the strength of the envelope itself to maintain its shape. The term is sometimes also used to refer to the tethered craft properly known as moored balloons. While often very similar in shape, moored balloons have no propulsion and are tethered to the ground.
Since blimps keep their shape with internal overpressure, typically the only solid parts are the passenger car (gondola) and the tail fins. A non-rigid airship that uses heated air instead of a light gas (such as helium) as a lifting medium is called a hot-air airship (sometimes there are battens near the bow, which assist with higher forces there from a mooring attachment or from the greater aerodynamic pressures there).
Volume changes of the lifting gas due to temperature changes or to changes of altitude are compensated for by pumping air into internal ballonets (air bags) to maintain the overpressure. Without sufficient overpressure, the blimp loses its ability to be steered and is slowed due to increased drag and distortion. The propeller air stream can be used to inflate the ballonets and so the hull. In some models, such as the Skyship 600, differential ballonet inflation can provide a measure of pitch trim control.
A blimp is an airship without an internal supporting framework or keel.
Blimp may also refer to:
Blimp1 is a protein encoded by the prdm1 gene. See:
I said some things, to you I
Think that I shouldnt've said
I spoke out of turn, and hurt
You I've learned that it hurts me back
Oh what could be worse than,
Me losing you...
What if you, never came back
What would I do without you
I got in the car, turned on the lights and the radio...
I drove really fast, and I cried hard, then you know
Oh where were you, and why did I say those things?
What if you never came back
What would I do, without you...here
Is there anyway you can forgive
Me for what I've done
Is there anyway you could love
Me still, for being so...wrong
Can you forgive me
Can you forgive me...
What if you never came back...
What would I do without you here
Without you here