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    GTXR conversion- version 2

    General Discussion
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    • B
      biell Plus GT DIY @S. Leon last edited by

      @s-leon said in GTXR conversion- version 2:

      I could probably use a GT hub with an XR stator on my Plus, right?

      The GT stator doesn't fit in the XR hub without modification of one of the two. Would this also be the case for the other way around? Is it possible the wheel could float left and right (the 1.6mm, or whatever) as you rode?

      Lia L 2 Replies Last reply Reply Quote 3
      • Lia
        Lia GT XR Pint Plus V1 DIY @biell last edited by Lia

        @biell said in GTXR conversion- version 2:

        Is it possible the wheel could float left and right (the 1.6mm, or whatever) as you rode?

        I guess with a shim on the axle to accommodate the gap would be fine.
        Wonder if the OD of the axle matches standard sized tubing. Could match the OD with some aluminium tube that has a matching ID (maybe a hair bigger for tollerance) instead of machining out a chunk of aluminium stock.

        @Lemur Was there any other chips or additional pins on the motor connector for the GT? I've heard rumours a hub swap prevents the GT booting as if they managed to serialise it. Curious if it's something on the hall sensor PCB or they moulded something into the connector as we saw with the charge connector.

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          Lemur @biell last edited by

          @biell You would have to shim the XR stator to fit ibn the GT rotor.

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            Lemur @Lia last edited by

            @lia I just tried disconnecting the motor cable and a red flashing error code comes up when it's powered up, and I forgot to count the flashes, duh.
            The circuit board on the Xr and GT looked similar but when I had it apart, but I wasn't looking for any differences because we didn't know about the married stator at the time.
            The motor connector has the usual 3 large phase and 6 small pins for hall(3) 5v, ground and temp. Some people are speculating something may be in the large motor connector , which is molded something like the charger plug which has a chip in there.

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            • Sirgu
              Sirgu XR last edited by

              3rd parties already moving to masses with these.
              -The shim/adapter variant ::
              https://plasticspider.com/gtxr-adapter-plate/
              -The rotor plate cover variant (about to be released) ::
              https://www.facebook.com/photo/?fbid=4705201749581233&set=gm.275369091459873
              [yes, a FB link but click on it, no log in required]

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                biell Plus GT DIY @Sirgu last edited by

                @sirgu Both of these will effectively shift the wheel, right? If so, anything the groups developing these are talking about that we should consider?

                @Lemur you built your own axle blocks to center your Enduro. Other than making sure the tire fits, any other things you were thinking about?

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                  Lemur @biell last edited by

                  @biell The wheel with either conversion is only offset to one side by 3.52mm , that amount is not noticeable when riding.
                  Your feet move around more than that .

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                    biell Plus GT DIY @Lemur last edited by

                    @lemur Thanks, good to know in case I want to go this route.

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                      ed_co XR last edited by ed_co

                      I think this should be in another category: OW porn (you should create it Lia)
                      Enjoy ;)

                      hub.jpg

                      Lia NotSure 2 Replies Last reply Reply Quote 6
                      • Lia
                        Lia GT XR Pint Plus V1 DIY @ed_co last edited by

                        @ed_co Wait... wait wait wait... this is custom... someone made this??? OMFG it looks so good! I didn't think anyone would be committed enough to put the time into make this.

                        Holy... who did this? I want to know what they went through to put this together... was it cast and then spun to shape or straight made from a chunky bit of stock?

                        And yes... maybe a nsfw filter might be in order too ;)

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                        • NotSure
                          NotSure XR Pint @ed_co last edited by NotSure

                          @ed_co said in GTXR conversion- version 2:

                          Enjoy ;)

                          wut! i want one.

                          XR's got what plants crave!

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                            ed_co XR @NotSure last edited by ed_co

                            @notsure said in GTXR conversion- version 2:

                            @ed_co said in GTXR conversion- version 2:

                            Enjoy ;)

                            wut! i want one.

                            Seriously doubt it, at $700-750, it is a little bit expensive... That's fucking mental
                            All yours guys, I think that the DIY greedy is starting getting just insane, even worse than FM.

                            Screen Shot 2022-04-21 at 13.27.09.png

                            Look how much is just the small cover. CNC is not cheap for sure, but in 100s units production this doesn't cost $20. Is this not greedy? For me is just abuse, the problem is the community is paying for this things... and the prices are increasing for this reason.

                            Screen Shot 2022-04-21 at 13.31.10.pngScreen Shot 2022-04-21 at 14.01.59.png

                            Now for a VESC + BMS, we have to pay more than euro600, to start with, having a pint for around 1000. This is just starting to get insane...

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                              MacIak DIY GT XR Plus @ed_co last edited by

                              @ed_co Agreed! Every fart the aftermarkets create costs gold nowadays. Greed is key, getting ridiculous. I sometimes feel like selling my shit when XR's die and get a Ninebot z10. It's not as fun but i notice my pride is starting to get in the way.

                              I do understand making the rotor from a chunk af alu is expensive so the pricing is somewhat understandable. People will buy it, it's design+need. But fuck no i will NEVER buy this.

                              Aka "Vommbat"

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                              • Lia
                                Lia GT XR Pint Plus V1 DIY @ed_co last edited by Lia

                                @ed_co said in GTXR conversion- version 2:

                                $700-750, it is a little bit expensive

                                It's bound to be. There is a negligible economy of scale here with presumably a single guy with their multi-axis CNC mill doing these 1 at a time. Even milled from hollow stock I can't see this being cheap in material costs for a handful to be made. Solid stock locally for me at around 178mm diameter by 250mm deep is £384 or $500 (smaller sizes from this seller aren't large enough for a hub, this is a bit too large). Ideally casting a rough shape would be cheaper materially but that adds a whole set of challenges and tooling that may work out more expensive for a small run :/

                                I don't think this is greed, expensive for sure and not worth it but I can't attribute greed here. They expressed there is minimal profit involved and looking at the work put in I believe them. Parts, milling, balancing, anodising, sorting magnets by strength and weight then presumably testing them adds up quick.

                                Add to that it's domestically made where an expected living wage is to be paid. FM have the advantage of foreign manufacture of parts for cheaper labour plus a lower cost per unit due to the volume made.

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                                  ed_co XR @Lia last edited by ed_co

                                  @lia Things like the hub, I am not saying that have too many profits. But the price is just ridiculous. I was not saying about this paricular part.

                                  The greedy comes with other things, which has a margin of 5x (I am not saying in everything). What about the cover?

                                  What about a BMS like Ennoid that costs 225??? (2 weeks ago maclak bought it for 180, suddenly 2 days after got increased to 200 and a day later 225, 45 is 3 days is just weird... and I think was traction...)

                                  Or the little focer for EUR350 ($400) with the connectors in Europe. Little focer v1 cost $150 and now v3 is $300 without connectors that got increased these days after Dado's videos.

                                  Is this acceptable.? The margin here is NOT marginal and is not just for the shortage... is more than that. It is the traction is getting for certain youtubers, and visibility, and they are incresasing the prices for convenience. As people keeps paying this is getting crazy.

                                  I remember the days with the flaotwheel, and how cheap it was... not anymore.

                                  Lia 1 Reply Last reply Reply Quote 4
                                  • Lia
                                    Lia GT XR Pint Plus V1 DIY @ed_co last edited by Lia

                                    @ed_co With how much everything has gone up I can't tell what is genuine inflation and what is just a dishonest and opportunistic price increase.

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                                      Lemur @ed_co last edited by

                                      @ed_co https://fungineers.tech/products/hub-motor-complete-with-tyre
                                      A six inch Xr type motor for vesc was available for presale, looks like a XR/Plus style axle , I think the price was approximately $300us.

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                                        ed_co XR @Lemur last edited by

                                        @lemur Obviously you can't compare with a FM hub, but from this solution (with its drawbacks) to $700-750 for just a case without any motor, i have it clear...

                                        NotSure 1 Reply Last reply Reply Quote 4
                                        • NotSure
                                          NotSure XR Pint @ed_co last edited by

                                          @ed_co said in GTXR conversion- version 2:

                                          @lemur Obviously you can't compare with a FM hub, but from this solution (with its drawbacks) to $700-750 for just a case without any motor, i have it clear...

                                          nothing wrong with outlandish imo. cost effectiveness is itself a niche concern and proving a market is expensive after all. without incentive there is no action, n the volume is super low!

                                          ordering small runs from a 3rd party fabrication service lowers that hurdle considerably, but still pricey. the result is a relatively high-cost niche product.

                                          the prices only come down when the market matures enough to warrant scaling up mfg or it solicits a new competitor.

                                          XR's got what plants crave!

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                                            ed_co XR @NotSure last edited by ed_co

                                            @notsure I think that buying a hub case for 75% of the price of a pint is just ret@#€#&d (sorry for the bad word) , or you have so much money that you don't even care to burn it... Just my opinion

                                            As a creator, if I was doing something for the sake of because I can, but doesn't scale, before putting at a price that could even be fair but completely unaccessible, I would do what Lemur said: this is not for sale, I just did for personal use. In this case, as it is so expensive that doesn't scale...

                                            Just the option, IMHO seems excessive. Waaay to much

                                            Lia 1 Reply Last reply Reply Quote 2
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