In Star Trek, The Original Series, what is the maximum number of photon torpedoes that the Enterprise NCC-1701 can hold?

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    The photon torpedoes on the Enterprise NCC-1701 were really nice. Jun 22, 2017 at 17:27
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    Is that a photon torpedo you're carrying, or are you just happy to see me?
    – Paul
    Jun 22, 2017 at 18:47
  • I thought my answer to this one was reasonably comprehensive, featuring an in-universe quote from one of the few factbooks to address the original Enterprise. Is there anything else you think I should add before considering an acceptance?
    – Valorum
    Oct 1, 2017 at 15:59
  • Using a ship volume of 211,248m³ and torpedo dimensions of 2.1m x 0.76m x 0.45m — and with transporters to make efficient use of storage space — we get an upper limit of 294,135 torpedoes. Reduce that number by an order of magnitude or so because of bulkheads and equipment, and the ship can still carry about 30,000. Not what you meant, of course, but handy if another planet killer shows up.
    – Gaultheria
    Apr 1, 2018 at 21:16

2 Answers 2


According to the semi-canon Mr Scott's Guide to the Enterprise, the "photorp" complement of the NCC-1701 Enterprise is 20 x Morris Magtronic FP-4 photonic torpedoes.

Since Mr Scott doesn't explain that this has changed post-refit, we can reasonably assume that it also applies to the original NCC-1701 as well as the refit version seen in the film series.


  • The image could use a highlight to the part that addresses the question Jun 22, 2017 at 16:22
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    @DCOPTimDowd - Your merest whim is my most heartfelt desire.
    – Valorum
    Jun 22, 2017 at 16:29
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    @sfhq_sf - This answer relates to the NCC-1701 (TOS) Enterprise. The complement doesn't appear to have been changed post-refit
    – Valorum
    Jun 22, 2017 at 18:10
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    None of the "technical details" on that page appears to have any relation to what we saw on the show. They appear to have been made up out of whole cloth. Jun 22, 2017 at 18:19
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    @sfhq_sf - And while that's true, the book highlights the differences between the original Enterprise and the refit Enterprise. Where it gives a fact (without explaining the difference) we can assume that it applies to both.
    – Valorum
    Jun 22, 2017 at 20:32

Most deck plans that I have seen indicates 40 photorps. The magazines are on decks 10 and 11 which is located in the Dorsal (neck) section. They are divided into two racks on each deck (four total) with each rack holding 10 photorps(total of 40).

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    This answer would be stronger if you linked to at least one deck plan that indicates 40 photon torpedoes and explained why it should be considered canon. Even stronger would rely on quotations from one or more episodes that support this.
    – Brythan
    Apr 1, 2018 at 12:51
  • Note also that most deck plans are fan-created.
    – Valorum
    Apr 1, 2018 at 21:15

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