i'd say yes, just like you can use lower tech anything else
It's not like they magically forget how to make things when the TL changes.

On Tue, Jan 31, 2023 at 5:24 PM Christopher Sean Hilton - chris at
vindaloo.com (via tml list) <xxxxxx@simplelists.com> wrote:
>
> I have two questions about designing ships with spinal mount weapons
> against Book 5 / High Guard. The questions are:
>
> * *Are lower tech spinal mounts available when building at higher tech levels?*
>   Specifically, if I'm designing a ship at TL10 and I want a spinal mount particle
>   accelerator, Can I install a factor "A" or factor "B" weapon. _Please ignore the gorilla in
>   the room for the moment._
>
> * *Should I decide to upgrade factors and if so, what are the criteria?* In my example
>    above, the best choice is actually a factor "C" weapon. It costs less, takes up less
>    space, uses the same energy, and packs a little more punch. In this case the answer is
>    obvious, install the factor "C" weapon. Should the decision always be based on EP
>    consumption?
>
> Assuming that factor "A" weapons are available an any tech above their introduction, the
> second question is actually pretty simple to answer but can you procure a factor "A" meson
> gun when you are building at TL14?
>
> Thanks in advance,
>
> --
> Chris
>
>       __o          "All I was trying to do was get home from work."
>     _`\<,_           -Rosa Parks
> ___(*)/_(*)____.___o____..___..o...________ooO..._____________________
> Christopher Sean Hilton                    [chris/at/vindaloo/dot/com]
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