So, in order to send rockets from Rabbasca, I need to research these frames. In order to research the frames, I need to send rockets with rabbasca science to my main base. You see the problem here?

Sure, I know, I can send science labs and all the required science TO rabbasca and research it here. Once. So I have this technology, and I can further send the science to my main planet, but it is complexity for the sake of complexity, the worst kind of complexity you can have. I'm not making rabbasca my research planet. Because it would be very inefficient to make all the base science here. Therefore, this is just a one-time research, the goal of which is simply to prolong the time player has to waste. It's not fun. It's annoying.

Much better solution would be to make the rabbasca rocket frames researchable not by labs, but by discovery. E.g.:

Purified Haronite - requirement: [Obtain Filled cryo-container]
Haronite plate - requirement: [Obrtain Purified Haronite]
Haronite rocket frame - requirement: [Obtain Haronite Plate]

This would not only remove the mentioned before annoyance, but it would also make the mod research tree more organic. IMHO

UPD: nevermind. I somehow missed the purpose of the "bunnyhop engine"

The author wanted to make this mod his main research hub, but that's just not feasible. I'm now using other mods to bypass the restrictions on his planet and only get the research bottles. I couldn't understand the core mechanic of item teleportation via space jump he implemented, so I just skipped it entirely. What could have been a great gameplay mechanic was completely ruined by the author.

The author wanted to make this mod his main research hub

No. Rabbasca research bottle has low weight to get it out easily. But you need to use bunnyhop engine for that.

What could have been a great gameplay mechanic was completely ruined by the author.

Which mechanic? The core mechanic you skipped? If you told me what part you didn't understand I could do something about it.

Personally, I feel the design of your mod focuses too much on localized transformation, and the early-game power restrictions are way too harsh.
The mod pack I’m playing even removed all heat-related equipment.
I had to add them back myself and make everything compatible just to barely unlock the Tier 2 Jump Tower.
Next time, I’ll try your mod in its original, unmodded version.
I’ve already talked about the core gameplay issues in another reply, so I won’t repeat them here.