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PDSGS aka "dual current drive" upgrade.

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  • PDSGS aka "dual current drive" upgrade.

    Some time ago I adapted a TongDe PDSGS transmission or as TongDe calls it DCD "dual current drive" into one of my M60s. The TongDe DCD is a 48:1 ratio which is rather high torque output compared to the typical HL 36:1 gearboxes. This higher torque was great, but the M60 lacked scale speed above 25mph. Perfect for tight terrain turning, climbing or power through heavy brush. But just a bit to slow for the more open areas I typically run and battle the tank in.

    So when the opportunity to get my hands on one of DKLM RCs newer PDSGS "high speed" transmissions I jumped at it. These have been out of stock for more than a year and when they came back into stock the DKLMRC was not shipping directly to customers in the US. That changed when RichJohnson Models N Stuff started working on the behalf of US customers to import directly from DKLMRC.

    Well I received the new PDSGS transmission just a few days ago and swapped it into my M60. Fortunately the mounts TongDe used were copies of the original DKLM mounts so the new transmission slipped right in. About 10 minutes worth of work and the M60 was up and running.

    Wow what a difference in performance. The DKLM transmission is much faster giving the M60 a more reasonable top end scale speed yet retaining all the low speed handling the M60 had before. Now I do have one of the older DKLM transmission in another M60, this newer version though is just a little nicer and seems to handle slightly better. Maybe because it is still so new and breaking in...time will tell.

    Now I don't want anyone thinking that the TongDe transmission was not good. It was very good and I would definitely recommend them for someone looking to improve a WW2 era "heavy" tank as it would match the scale performances of that era better. I might reuse the TongDe transmission in one of my KVs or JS2. It would be perfect in one of those.

    Click image for larger version  Name:	IMG_8027.jpg Views:	0 Size:	104.1 KB ID:	447905 Above the new DKLMRC full metal transmission installed in M60. Super clean fit and slim profile.

    Click image for larger version  Name:	IMG_8028.jpg Views:	0 Size:	132.0 KB ID:	447906 Old TongDe transmission now needs a new home.

    Click image for larger version  Name:	IMG_8029.jpg Views:	0 Size:	131.0 KB ID:	447904

  • #2
    Test videos are up on the LA Tanks Facebook page for those interested in seeing the transmission in action.

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    • #3
      I've been tossing this idea back and forth for quite awhile for my Taigen Leo build. The stock motor/gears have grunt but are too slow and as loud as shaking a coffee can full of rusty bolts. I've been waiting for them to come back in stock for quite awhile now. Funny I've talked to Carson about another order for parts but forgot to ask when these will be back in stock since I have the reminder already set. Good to see you enjoying it.

      Some real fun was getting the fast turret rotation motor from Rich. Now the Leo turret is scary fast.

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      • #4
        I have one of these DKlM cross drive tranys left in stock right now. I am an authorized DKLM retailer in the US. I sold a few just recently and Rubicon here got the first one and did this video.
        I’m working up another order right now to DKlM so if you want anything I can likely add it in as DKlM does not typically sell directly to the US any more.
        i still have a few high speed rotation units left too. They are fun.
        RC tank parts and accessories I make
        www.RichardSJohnson.net/id28.html

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