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Thread: Tommy's Class 2 KoH Jeep JK

  1. #1
    Addicted to RC Tommy R's Avatar
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    Tommy's Class 2 KoH Jeep JK

    Hey folks,

    Well, it's been a long time coming, but I think I'm finally ready to start on my first Class 2 rig. I've been stock piling a few nice bodies, but have been having a devil of a time figuring out what I want to build. I wanted to use a body I already own. I wanted the rig to be reasonably competitive. And I wanted the body to retain some element of it's original form. I'm drawn to rigs that keep most of their body panels and keep most of their overall shape and profile. In the end, I finally decided on a body to use and also determined what style of rig I'm after. Be forewarned, this may be a slow going build so if you have A.D.D., you may want to look elsewhere. :lol2:

    Anyway, the plan is to make my version of the Poison Spyder "King of the Hammers" Jeep JK.






    Of course, I will not be building it identically to the 1:1, but I'm taking heavy amounts of inspiration from it. Yeah, rigs like this have been built before, but I don't care. I like it. I'm building it. :flipoff: It will be SCX10 based. In fact, back around last Christmas I was one of the lucky winners in the giveaway RCC was having and I won an SCX10, along with some other great products from RCC vendors. That SCX10 will be the basis for this build.

    Here's the overall "rough draft" of the plan for this rig....

    Powertrain:
    Motivation will either come from a HH13t Crawlmaster Pro or I may opt for a Tekin Pro4 3300kv if I decide to get kookie.
    3s batteries, but may consider 4s.
    ESC will either be a Tekin FXR or RS Pro.
    Dinky R/C's Gr7 transmission and Split Skid will be put to use with HD internals throughout.
    Axial axles will be built up, likely with all kinds of Vanquish goodies.

    Chassis/Body:
    SCX10 rails will form the basis, but there will be plenty of tubework to accompany it.
    Roof is coming off and some surgery will be performed on the body, but nothing too drastic since I want to keep it recognizable as a JK.

    Wheels/Tires:
    Tires are going to be Pit Bulls (they just speak to me!).
    Wheels are either going to be Locked Up RC or possibly Vanquish OMF (still up in the air on that one).

    So stay tuned and I'll do my best to keep this thread updated with my progress... :thumbsup:

    Thanks!
    Tommy

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  2. #2
    Administrator sgtsteve's Avatar
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    Thats a killer rig to base a build from Tommy. Knowing you, yours will be every bit as awesome. Ive been mulling over my JK and what I wanted to do with it for next season and this certainly gives me some ideas:thumbsup:


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  3. #3
    Addicted to RC Tommy R's Avatar
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    Thanks, Steve! I'm hoping to have some good pics to share within the next couple days so stay tuned.

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    Member a2hill's Avatar
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    Cant wait to see this one!

  5. #5
    Addicted to RC Tommy R's Avatar
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    Quote Originally Posted by a2hill View Post
    Cant wait to see this one!
    Thanks, man!


    One of the few parts I have at the moment is my Delrin Gr7 transmission from Dinky R/C. It utilizes the main gear from an Axial transmission's internals as the "spur". Of course, this means a very small pinion gear is mandatory to get comparable ratios to a stock SCX10 setup. I'm starting off with a 9t pinion because of the high strung nature of the Crawlmaster Pro 13t.

    In order to get everthing working, the stub of one output needs to be cut so it won't contact the motor....and only one output is needed anyway. For this "sacrificial" side, I used a stock Axial output.


    The other end is an Axial hardened output and it's all wrapped up with a Robinson Racing hardened "spur". Hopefully, it'll be fairly bulletproof.


    Here it is all meshed up with the RC4WD 9t pinion. The pinion concerns me because there's so little material there and I suspect the set screw could strip easily. The hole on the other side stripped already.....and very easily. :roll:


    Another option I have is to use some Hot Racing pinions. But they'll need to be bored deeper or the motor shaft will need to be cut down. This is as far as the pinion will go on the motor shaft. Way too long.


    Here's the completed Gr7 ready to be installed.


    And some Vanquish hawtness waiting to be installed. :mrgreen:

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  6. #6
    Member a2hill's Avatar
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    jelly ^^

  7. #7
    SCALE PERFORMANCE PARTS Locked Up's Avatar
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    Tommy,
    Call me crazy but I'm thinking Locked Up RC wheels will be best!
    :lol2:

    Seriously though ... are you sure you cut the stock output and kept the hardened one? ... cause I swear my hardened outputs are dark and my stock ones are lighter...:blah:
    steel:
    http://www3.towerhobbies.com/cgi-bin...?&I=LXZXD9&P=7

    Stock:
    http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXSAR2
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  8. #8
    Addicted to RC Tommy R's Avatar
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    Quote Originally Posted by Locked Up View Post
    Tommy,
    Call me crazy but I'm thinking Locked Up RC wheels will be best!
    :lol2:

    Seriously though ... are you sure you cut the stock output and kept the hardened one? ... cause I swear my hardened outputs are dark and my stock ones are lighter...:blah:
    steel:
    http://www3.towerhobbies.com/cgi-bin...?&I=LXZXD9&P=7

    Stock:
    http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXSAR2
    I know, I know... :cool2: I'm really torn on the wheels. You know how much I love Trailreadys, but for this build I want something "racier" looking. But who knows what'll happen. Wheel selection is still a ways off. :lol2:

    So here's the skinny on Axial outdrives, best I can tell from their site. The stockers are actually steel. I just verified this with my brand new outdrives in my Dingo kit. Maybe original AX10 kits used aluminum?

    The bronze colored outdrives are supposedly steel, too. However, they aren't very magnetic so maybe they're stainless and/or the coating they apply is affecting the magnetism. These are much pricier so I can only assume they must be stronger, too. Keep in mind these are counterbored on the backside, unlike the stockers, so that could account for the weight difference.
    http://www.axialracing.com/products?...words=outdrive

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  9. #9
    Addicted to RC Tommy R's Avatar
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    Not much of an update, but whateva! I'll do what I want! :mrgreen:

    Got the front axle all built up. RCP stainless locker, Gunnar Beef Toobz, Axial Overdrive gears, Vanquish 8 degree knuckles/C's, and of course the new VVP axles. Team3six Rock lube is all over the ring/pinion and I coated the beef toobz with Corrosion X. Of course, it's got a Hand Bros track bar mount to go with the upcoming chassis mounted servo 'cause what self-respecting scaler would have an axle mounted steering servo? :ror:




    Still waiting on some goodies to arrive before I can proceed with the building of the rear axle or chassis. In the meantime, I'm beginning to prep/trim the JK body and remove the paint since it will not be red. I've got other plans...
    Last edited by Tommy R; 08-12-2012 at 09:15 PM.

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  10. #10
    Member a2hill's Avatar
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    Wondering if marine greese was an option. If so why did you not use a marine greese?

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