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Does anyone know why there are two different sizes? Are there any internal pics? Thanks

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I haven't seen an explanation of why the XP 105 has different sized pressure chambers. The patent iSoaker lists in his review mentions "tanks 188 and 189" (referring to fig. 2), but never says that the tanks can be different sizes as far as I can tell. I'd speculate that the different sized chambers were made for reasons of balance (putting more weight closer to the handle) or styling.

I haven't seen any internal pictures but I'd expect the internals to look similar to the linked patent, which isn't specifically for the XP 105 but is for a blaster of that class. You can also see some photos of the XP 150's internals here, but the flash makes it hard to see parts of the internals. Someone else might have more useful information on this.

I guess I'll find out soon: got one off of eBay. Does the pump cap come off fairly easy?

DragonHEF01 wrote: ↑

Sat Jul 17, 2021 3:07 pm

Does the pump cap come off fairly easy?

My guess is no, you'll have to do something similar to what's done in the XP 150 link I posted above. But do report what you find, and please post photos here too for others in the future.

NM, Hydrowar has pics that answer the question(and its what I suspected): bad design for the gauge connection. And damn, that pump is quite big.

Where are you reading that on Hydrowar? I didn't see that written on the XP 105 review page.

SSCBen wrote: ↑

Wed Jul 21, 2021 8:03 am

Where are you reading that on Hydrowar? I didn't see that written on the XP 105 review page.

Google "super soaker internals", then use image section.