Popular Post fbhb Posted January 7, 2022 Popular Post Share Posted January 7, 2022 (edited) 3 bolt, wider diameter axle/bearings as per Abrams. Standoffs to stop the side shell pressing on the batteries. No ribs on the inside of the side covers to cause BMS component issues. Net weight is up from original 18650 Sherman. Edited January 7, 2022 by fbhb 6 1 Quote Link to comment Share on other sites More sharing options...
Popular Post supercurio Posted January 7, 2022 Popular Post Share Posted January 7, 2022 Nice find! The torque seems higher indeed a non-Max Sherman doesn't free-spin up to max speed as quick. Great to see they built-in a better equivalent of my 3D printed support to avoid stress on the BMS, on the whole height, and removed all the ribs from the side covers as well - which probably freed some space for the packs. The packs don't specify which cell are used from what's shown here, which is unfortunate. Biggest concern for me is the durability of the Abrams-like bearings. There shouldn't be obvious channels to push in grime and dirt directly into the bearings like on the Abrams, but I would not order that one before reviews or feedback on this specific aspect. 4 Quote Link to comment Share on other sites More sharing options...
Dreygun Posted January 7, 2022 Share Posted January 7, 2022 (edited) Still self tapping screws under the pedals holding the bars in place? Edited January 7, 2022 by Dreygun Quote Link to comment Share on other sites More sharing options...
fbhb Posted January 7, 2022 Author Share Posted January 7, 2022 (edited) 26 minutes ago, supercurio said: There shouldn't be obvious channels to push in grime and dirt directly into the bearings like on the Abrams I agree, the Abrams is really far too susceptible for debris and gunk to get inside those open side panels causing risk of bearing failure, as mentioned by Adam "Wrongway" recently! My belief is that the Sherman would fair quite well in this area, with it's much better protection from water spray around the axle! Edited January 7, 2022 by fbhb Quote Link to comment Share on other sites More sharing options...
Popular Post fbhb Posted January 7, 2022 Author Popular Post Share Posted January 7, 2022 (edited) 20 minutes ago, Dreygun said: Still self tapping screws under the pedals holding the bars in place? Horrible, poor quality solution to holding the roll bars in place as more often than not from the factory the screws are not even making any purchase into the metal of the Roll bars whatsoever! Mine were mostly held in with hot glue, so I have made and fitted 4 plugs into each end of the Roll bars to drill and tap countersunk stainless screws into. My decision was mainly to strengthen this area due to currently modding my Sherman with a Sur-ron seat which will be taking All the load on the Roll bars! I do plan on posting a write up on what was used/how I am going to mount the Sur-ron seat in case other Sherman owners would be interested. Edited January 7, 2022 by fbhb 4 Quote Link to comment Share on other sites More sharing options...
supercurio Posted January 7, 2022 Share Posted January 7, 2022 (edited) 10 minutes ago, fbhb said: I agree, the Abrams is really far too susceptible for debris and gunk to get inside those open side panels causing risk of bearing failure, as mentioned by Adam "Wrongway" recently! My belief is that the Sherman would quite fair well in this area, with it's much better protection from water spray around the axle! Yes I look forward to a comparison of the Sherman vs Sherman Max motors, to look into how "cupped" (not sure it's the right word) are the bearings. It seems that both the wheel well design and the ring around the bearings have influence on water penetration and exit, including when the wheel stands up at the end of a ride. I like the Sherman a lot and would consider upgrading if the Max doesn't have obvious flaws, just for the peace of mind provided by a stronger board and extra climbing ability without firework (needs confirmation) Edited January 7, 2022 by supercurio 3 Quote Link to comment Share on other sites More sharing options...
fbhb Posted January 7, 2022 Author Share Posted January 7, 2022 (edited) 3 minutes ago, supercurio said: Yes I look forward to a comparison of the Sherman vs Sherman Max motors, to look into how "cupped" (not sure it's the right word) are the bearings. Only Ecodrift carry out what I would consider a thorough teardown, so I too look forward to seeing them pull the Max apart. Edited January 7, 2022 by fbhb Quote Link to comment Share on other sites More sharing options...
DKMotion Posted January 8, 2022 Share Posted January 8, 2022 On 1/7/2022 at 8:08 PM, fbhb said: Horrible, poor quality solution to holding the roll bars in place as more often than not from the factory the screws are not even making any purchase into the metal of the Roll bars whatsoever! Mine were mostly held in with hot glue, so I have made and fitted 4 plugs into each end of the Roll bars to drill and tap countersunk stainless screws into. My decision was mainly to strengthen this area due to currently modding my Sherman with a Sur-ron seat which will be taking All the load on the Roll bars! I do plan on posting a write up on what was used/how I am going to mount the Sur-ron seat in case other Sherman owners would be interested. Would be nice (the write up). Can you include more details how you fitted the stainless scews? I'm very interested since I already lost 2 factory fitted screws. 1 Quote Link to comment Share on other sites More sharing options...
fbhb Posted January 8, 2022 Author Share Posted January 8, 2022 (edited) 1 hour ago, DKMotion said: Would be nice (the write up). Can you include more details how you fitted the stainless scews? I'm very interested since I already lost 2 factory fitted screws. Thanks for your comment, I will include the fitment of the stainless screw detail in the Sur-ron seat install, as IMHO that little upgrade is very relevant when going ahead and adding the load from seated riding to the Roll bars! Edited January 8, 2022 by fbhb 2 Quote Link to comment Share on other sites More sharing options...
fbhb Posted January 15, 2022 Author Share Posted January 15, 2022 On 1/9/2022 at 10:41 AM, DKMotion said: Would be nice (the write up). Can you include more details how you fitted the stainless scews? I'm very interested since I already lost 2 factory fitted screws. @DKMotion Just finished my Sur-ron Seat install write up and posted it to the Forum today at the following link: 1 Quote Link to comment Share on other sites More sharing options...
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