I've had some success with soloing when using the Tempest. So far, I can destroy all other frigates, most destroyers and some cruisers, if given enough time. Flying it eventually becomes similar to flying a fighter, in that the mobility is key and in the face of overwhelming odds, doing several "bombing" passes and backing off to vent flux and wait for the enemy to expose again. I've had some successes so far against bigger fleets, but carriers and cruisers stacking aren't very Tempest-friendly. But so long there's not too much going on, I can take it in 315+315+80 seconds that I get from first and second deployment, then time until malfunctions start appearing, where I can't really fight any longer.
I recorded some footage, but I think that I started doing this too late - bounty fleets are sporting several cruisers at this point and I need a destroyer to take them on. A lone Tempest can't just out-trade a cruiser, but neither it can afford to try to reach for blindspots while getting shot by other cruisers.
Spoiler
(https://cdn.discordapp.com/attachments/187635036525166592/538002273029324820/unknown.png)(https://cdn.discordapp.com/attachments/187635036525166592/538019730221432844/unknown.png)(https://cdn.discordapp.com/attachments/187635036525166592/538425562209976321/screenshot352.png)
The last one is a bit funny, since I took out most of the bounty ships with my Tempest, but used a destroyer to run down fleeing ships.
https://www.youtube.com/watch?v=xJjbXRYZmhM https://www.youtube.com/watch?v=SQsAY_FWZws
I used a Cabal Tempest because it's more funky.
Also, I've discovered that sometimes bounties can spawn around the same planet, unintentionally doubling their strength.