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  1. #41
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    Quote Originally Posted by ksb51rl View Post
    Right, MR was actually set as the Geodetic base point for North American Datum of 1927. It is a bit closer to you.
    Cool, I'll look that up! Thanks for the info!
    What broke, uh, needs upgrading now?

  2. #42
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Oh, never mind. I just checked my Summit and it's 14 gauge wire. So, if I used 12 gauge, would it be some what like two 14 gauge wires?

    EDIT: Doh! I forgot about the info ksb posted...

    Two 14AWG wires have a cross-sectional area of 4.16 mm˛.
    One 12AWG wire has a cross-sectional area of 3.31 mm˛.
    One 11AWG wire has a cross-sectional area of 4.17 mm˛.
    One 10AWG wire has a cross-sectional area of 5.26 mm˛.

    So... Could I put two strands of 12 gauge in?
    Last edited by Wolfslash16; 04-18-2013 at 09:35 PM.
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  3. #43
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    From what was posted earlier using two 12 gauge wires would be better than using two 14 gauge wires. It will be "bigger" than one 10 gauge wire in effective size. I'd guess two 12 ga. might be hard to solder to one connector, but I'm only guessing there.

    If I remember reading other posts a fair number of people have used only one 12 gauge wire per terminal and been "ok", but us slightly obsessive people sometimes have to go for "the best" option.

    I ordered some of both since I figure I'll use it eventually so "what the heck!" I bought both. Betcha hear that phrase a bit where you live...
    What broke, uh, needs upgrading now?

  4. #44
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Its more like: Dang gum it! Thanks for all the help guys, I'll see what I can get.
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  5. #45
    RC Turnbuckle Jr. pavmentsurfer's Avatar
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    I used whatever wire comes with an MMM system. Anyone know what that would be? IMO, 12 gauge wire would be just fine. While the system does draw alot of amps, those wires are capable of handling the amps without a problem. If your obsessive, go 10 gauge. If your not obsessive, go with 12.
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  6. #46
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    I think I just got called obsessive.


    Whatever it is I just said... I could be wrong.

  7. #47
    RC Turnbuckle Jr. pavmentsurfer's Avatar
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    Haha... not the way I meant it to come out.
    But I think you knew that any way. I usually use what I have laying around when im doing projects like this one. I THINK I had some 10gauge laying around so I used it. But it might have been 12... havent thought about it once since I did it.
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  8. #48
    Marshal ksb51rl's Avatar
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    Quote Originally Posted by OlorinTharkun View Post
    From what was posted earlier using two 12 gauge wires would be better than using two 14 gauge wires. It will be "bigger" than one 10 gauge wire in effective size. I'd guess two 12 ga. might be hard to solder to one connector, but I'm only guessing there.

    If I remember reading other posts a fair number of people have used only one 12 gauge wire per terminal and been "ok", but us slightly obsessive people sometimes have to go for "the best" option.

    I ordered some of both since I figure I'll use it eventually so "what the heck!" I bought both. Betcha hear that phrase a bit where you live...
    A CC MMM/1515 brushless combo uses 10AWG wire. Two 12AWG wires have 1.25 times the cross-sectional area as one 10AWG.
    Does anybody think that's necessary or even noticably beneficial with this brushed motor system? Really? Seriously?
    Alt-248 on the number pad = °

  9. #49
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Ok. So here's my last question. Is there any advantage really to using 10 gauge? Or will 12 gauge be fine? Does it even matter.
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  10. #50
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    In reality, it probably does not matter.
    Whatever it is I just said... I could be wrong.

  11. #51
    Marshal ksb51rl's Avatar
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    But 10AWG will certainly look cooler.
    It also fills 5.5mm bullets well, but you have to be a bit more careful with the placement of 10AWG wire on Traxxas connectors. You also have to have a decent soldering iron for 10AWG wire.

    What you need to do is make sure the wire you use:
    Can carry the anticipated amp load efficiently (not too much heating up);
    Is flexible enough for your needs;
    Is reasonably priced; and
    Can be soldered onto the expected terminals by you without too much difficulty.

    Did I miss anything, guys?

    There is nothing wrong with using two 14's, one or two 12's, or (an obsessive) 10 - two won't fit on the brush very well.
    Like pav, I used what I had on hand AFTER determinig it was well-suited to the task.
    Alt-248 on the number pad = °

  12. #52
    RC Turnbuckle Jr. pavmentsurfer's Avatar
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    So I must be using 10 if thats what comes on an MMM... I know ive run MMP's with 2650kv 1/8 motors on 6S with the wire that comes on an MMP and it was never a problem. I have trouble believing the Dewalt is drawing more amps than the 6S setup. But I could be wrong.

    I find trying to solder 2 wires to one terminal, any terminal, is difficult. Especially if your trying to get them nice and tight (like you would need to with a TRX connector). Its easier with a 5.5mm bullet since you can shove them inside and they automatically stay tight, but soldering 2 12gauge wires to the littler post on the dewalt motor would be a hassle IMO.
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  13. #53
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Hmmm... I found some 13 gauge wire... Would that work?
    http://www.utahhobbystore.com/CH_Dyn..._p/dyn8850.htm
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  14. #54
    Marshal ksb51rl's Avatar
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    Motor tabs and DeWalt 14.4 questions...

    Mamba Max Pro ESCs come with that gauge wire. It will work fine.

    Edit: for the price there, I think I'd go with the two foot each of red and black Deans Wet Noodle wire. http://www.utahhobbystore.com/CH_Dea..._p/wsd1410.htm
    Last edited by ksb51rl; 04-19-2013 at 05:52 PM.
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  15. #55
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Alright, thanks guys! I just placed the order for my 396505-21 DeWalt 14.4 motor at Ace Tool Repairs! Now I just have to wait for shipping! Can't wait!

    Ok, what kind of gearing should I use? I normally run about 90% grass, with a little pavment. The stock pinion gear is 14, right? So would a 15 or 16 tooth gear be what I need to get more speed without getting things too hot? Thanks a bunch!
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  16. #56
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    Start with stock and temp it out from there...
    Whatever it is I just said... I could be wrong.

  17. #57
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Ok... I don't have a temp gun, so I'm not sure how to tell if it's too hot or not... My guess is the spit on the motor like nitros won't work...
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  18. #58
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    They are less than $15 at Harbor Freight...
    or
    http://www.ebay.com/itm/Mini-Pen-Typ...item589d434b4b
    Whatever it is I just said... I could be wrong.

  19. #59
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Hmmm, ok I see if I can get one. Thanks!
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  20. #60
    RC Turnbuckle Jr. pavmentsurfer's Avatar
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    No one who has an $800 summit has any excuse to NOT own a temp gun... JMHO... its a necessary tool no hobbyist should ever be without.
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  21. #61
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    I'll tell you one thing, though... Some of the yellow pistol style IR temp guns on eBay are poorly made... One I bought a year ago won't work if the temp gun itself gets too hot... Like if it gets left in the hot truck it won't work!

    Can anyone recommend one that uses regular batteries (not button cell) that won't stop working if it gets hot like mine does _and_ costs less than $50?
    What broke, uh, needs upgrading now?

  22. #62
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Ok, this is most likely a noob question, but what pitch is the Summit's pinion gear? 48p? 32p?
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  23. #63
    RC Turnbuckle Jr. jamann's Avatar
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    32 pitch or m0.8 (metric)


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  24. #64
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    32 pitch or m0.8 (metric)
    Ok, thanks!
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  25. #65
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Wow, I'm a noob to this! I'm looking up pinion gear sizes, and I found this. http://www.utahhobbystore.com/CH_Tra..._p/tra5644.htm The DeWalt's motor shaft is 5mm, right? So would that pinion fit? Also, would a 18t pinion gear be too much for driving in grass? Would it slow it down, or does the DeWalt have enough torque so I wouldn't notice? Thanks for everything!
    Last edited by Wolfslash16; 04-21-2013 at 01:24 AM.
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  26. #66
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    That should work, at least for the shaft size. I know it's a short shaft so I don't know if that'll be an issue. 18t will be faster than stock, probably fine in grass with stock spur (68t), but get that IR gun to check temps.
    What broke, uh, needs upgrading now?

  27. #67
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Ok, thanks. I'm still not sure what wire to use... 12 gauge, or two 14 gauge... I'd feel better about the 14 gauge, but I have the 12 already, so I'd have to buy the 14 gauge. What to do...
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  28. #68
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    You'll probably be fine if you do one set of 12 gauge. That's pretty hefty wire itself. If it ever does come loose then do a 2nd pair.
    What broke, uh, needs upgrading now?

  29. #69
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Ok, I got my 12 gauge wire out and it looks REALLY thin. It came off a old 7 cell nimh battery that went bad. Is this 12 gauge? It's the same thickness as the Traxxas wires, but the actual wire looks tiny... Is this normal? I have no idea... Also, is this good, or bad quality wire? Thanks for helping me with my OCD!





    Last edited by Wolfslash16; 04-22-2013 at 09:14 PM.
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  30. #70
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    The individual wires should be tiny, that's what makes it flexible. The total amount of combined wire diameter looks good, although I can't really reference an object I know the size of. That looks like good wire, though.
    What broke, uh, needs upgrading now?

  31. #71
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    I have some 12awg that looks really thin also. The 10awg i used looks huge in comparison, but I think it was just the insulation that made it look thin.
    Problems.The manual's good starting point. Simple

  32. #72
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Yay! I just got a 17t, and 18t pinion at my LHS!




    I also got a new diff output and the Traxxas connectors. I also like the new tag design.






    Note to self, don't use red loctite! I had to dremal the screw off, it stripped.


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  33. #73
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    I've heard you can get red loctite to release with heat, just FYI... gonna have to try it in a week or so after this business trip to get a 22t pinion off the dewalt motor that came with my 2nd summit... seller acted like it wasn't overgeared at 22/62!

    Stock = 68/14 = 4.857 -> (25.34 high, 70.18 low final ratios)
    Idiot = 62/22 = 2.818 -> (14.71 high, 40.72 low final ratios); this caused the dual 14-gauge wires to desolder themselves.

    Your "highest" gearing proposed = 68/18 = 3.778 -> (19.72 high, 54.59 low final ratios)

    I think you'll be fine. Again, just use a temp gun! And have fun!



    Just a little bit of difference there!
    What broke, uh, needs upgrading now?

  34. #74
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Alright, thanks! I thought about using heat, but it was about inch from the bulkhead and a arm, and I didn't want to melt anything.
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  35. #75
    RC Turnbuckle Jr. pavmentsurfer's Avatar
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    I run 16/68 in my summit and have no temp issues at all. But I rarely run in grass... just crawling rocks and trails and stuff.
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  36. #76
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    Grass was a little warm with the 19t for my taste. We generally run an 18t.
    The Kid

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  37. #77
    RC Turnbuckle Jr. jamann's Avatar
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    Quote Originally Posted by Wolfslash16 View Post
    Alright, thanks! I thought about using heat, but it was about inch from the bulkhead and a arm, and I didn't want to melt anything.
    Got a soldering iron?that should do the trick


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  38. #78
    RC Turnbuckle Jr. Wolfslash16's Avatar
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    Awesome! The tracking number is saying the DeWalt motor will come in the mail tommorow! What would be the best way of going about putting the notch in the motor shaft for the pinion? I have no idea how to do it, or how much to grind off. So, I've been reading on how to break a brushed motor in. So far, I've found the water break in, (no thanks) driving slowly for the first set of batteries, and then no break in at all. I know it's a drill motor, so it doesn't normally get a break in, but I like to be on the safe side. Anyway, I plan on just driving it slowly for the first run. Should it be in training mode? Also, should I do alot of high spped driving, or mixed? Thanks guys!
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  39. #79
    RC Turnbuckle Jr. jamann's Avatar
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    Mixed , easy slower runs don't hammer the throttle from a stop just take it easy for a few pack


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  40. #80
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    Just a slight flat spot is needed... you don't need to grind or file away half or even one quarter of the shaft.
    I used a Dremel cutting disc... a file will work as well.
    Whatever it is I just said... I could be wrong.

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