Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 2847

An airship, or dirigible, is a lighter-than-air powered craft typically using helium, or historically hydrogen, as the lifting gas.

22 votes
2 answers
26k views

How do blimps control altitude?

If you have an airship filled with helium, how can you adjust your altitude? i.e. how do you "go up" or "go down"? …
CaptainCodeman's user avatar