[PSUBS-MAILIST] gyroscope compass

[Alec Smyth via Personal_Submersibles]

Absolutely. You can get small ones for civil aviation and they are used in
subs. One challenge is that most airplane ones are powered by a vacuum, but
there are 12V models. Unfortunately they're expensive, but a great solution
if you can afford it.

Alec

On Wed, Dec 3, 2014 at 1:28 PM, hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Hi all,
> Ever hear of a gyroscopic compass, seems that ships used to use them.  It
> seems they would not be effected by a submarine hull.  What am I missing
> besides they are very big.
> Hank
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