Sure Nikkita you can use my pics
, yes the 510 is fairly basic atleast its self adjusting I am waiting to see what they have done with new new non slotted version but in truth given what I know about YiHi i think its no different same threaded 510 screw and mech. Ironically the phenolic material as its known here Tufnol is the same used on the Yosen and HotCig Zero clones! The 510 is stainless steel not sure what grade probably 304 Yihi could of easily used what HotCig Zero (Varitube 510 rip off) and Infinite are/will use on there SX style Zero clones. It maybe a licensing issue who knows none of the Chinese self adjusters have been particularly of high quality unless they have directly copied ie Varitube.
Given its design I doubt you can fit a FDV as there is no clearance as the YiHi is completely flat at its base this is neither the case with many of the self adjusters where the base protrudes and the ouput wire needs clearance to move.
Ironically the HotCig Zero clone in the pic uses a Varitube rip off which is much better than the YiHi. There are a few issues with the mini as you can see the board is screwed into the Aluminium chassis with steel screws atleast 2 of these were just turning on one of mine as steel into Aluminium is pretty much a no go. The screws are tiny and Aluminium is too soft and just strips the threading.
The soldered 510 joint could easily fracture as the 510 is moving causing stress, the fire button is the standard one supplied when you buy the board YiHi have manufactured a brushed steel button using compression foam this is why some people have an off centred button dependant on how the button is pressed and I guess as the foam ages you may see the button lose it springiness or at worst collapse.
I remember someone posting about the mini being high end not here in the UK excluding the lower tier and non clones the mini is around RRP £150 or approx $US230 I will be completely honest and say there is no box mod / gripper I have seen that didn't have design faults I can only dream of power station specs on one but then again it may cost £500. I recently saw a Neo dna 40 from De Rayyan Design $350 + shipping + customs the Yosen Zero was better made!
, yes the 510 is fairly basic atleast its self adjusting I am waiting to see what they have done with new new non slotted version but in truth given what I know about YiHi i think its no different same threaded 510 screw and mech. Ironically the phenolic material as its known here Tufnol is the same used on the Yosen and HotCig Zero clones! The 510 is stainless steel not sure what grade probably 304 Yihi could of easily used what HotCig Zero (Varitube 510 rip off) and Infinite are/will use on there SX style Zero clones. It maybe a licensing issue who knows none of the Chinese self adjusters have been particularly of high quality unless they have directly copied ie Varitube. Given its design I doubt you can fit a FDV as there is no clearance as the YiHi is completely flat at its base this is neither the case with many of the self adjusters where the base protrudes and the ouput wire needs clearance to move.
Ironically the HotCig Zero clone in the pic uses a Varitube rip off which is much better than the YiHi. There are a few issues with the mini as you can see the board is screwed into the Aluminium chassis with steel screws atleast 2 of these were just turning on one of mine as steel into Aluminium is pretty much a no go. The screws are tiny and Aluminium is too soft and just strips the threading.
The soldered 510 joint could easily fracture as the 510 is moving causing stress, the fire button is the standard one supplied when you buy the board YiHi have manufactured a brushed steel button using compression foam this is why some people have an off centred button dependant on how the button is pressed and I guess as the foam ages you may see the button lose it springiness or at worst collapse.
I remember someone posting about the mini being high end not here in the UK excluding the lower tier and non clones the mini is around RRP £150 or approx $US230 I will be completely honest and say there is no box mod / gripper I have seen that didn't have design faults I can only dream of power station specs on one but then again it may cost £500. I recently saw a Neo dna 40 from De Rayyan Design $350 + shipping + customs the Yosen Zero was better made!
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Yes, as I examined your pics I recognized the phenolic material (resin fiberglass) and it appeared to be exactly like the inner housing on the DNA Zero clone. Apparently this material is commonly used in electrical applications, so it is appropriate I guess, I was just surprised by how unsophisticated the construction of it appeared. There is nothing wrong with basic and functionally effective, I was just expecting more. 
But I do agree with you though, as long as it works as it is meant too and lasts, then I am very happy with the mini 
