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Thread: Rckcrwlr's "Itty Bitty Wedgie" Micro Crawler

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Old 01-24-2010, 02:08 PM   #1
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Default Rckcrwlr's "Itty Bitty Wedgie" Micro Crawler

Well, I spent enough time on the OEM chassis, so I decided to make the change. Talking with Don from BWD, he suggested I give this a try. He said with this chassis and a combo of weighting the wheels, I will be unstoppable.

So here we go...




I hope there is enough adjust-ability. It has the same layout as the OEM chassis just opened up more...

The conversion will now take place...

Last edited by Rckcrwlr; 01-24-2010 at 02:14 PM.
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Old 01-24-2010, 02:09 PM   #2
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Off subject...

I picked up this huge Sharpie yesterday...

Look how it makes the chassis look so small...


Last edited by Rckcrwlr; 01-24-2010 at 02:15 PM.
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Old 01-24-2010, 02:10 PM   #3
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[INDENT] OK back to reality...

Introducing the New BWD Micro Wedge Chassis and the BWD Micro Wheel Weight Kit #1




Last edited by Rckcrwlr; 01-24-2010 at 02:16 PM.
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Old 01-24-2010, 02:10 PM   #4
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First you need to do is disconnect the servo lead and motor lead from the ESC/Receiver. REmove the 7 cap screws that hold the ESC Mount and Battery Mount in place.



Next, using the Losi Hex Wrench and 4 way to remove the pivot balls with the shocks from the chassis



Now, using needle nose pliers, gently twist the lower links off the pivot balls and remove.

Put the axles aside for now.



Last edited by Rckcrwlr; 01-24-2010 at 02:17 PM.
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Old 01-24-2010, 02:13 PM   #5
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Now separate the chassis plates from the skid/tranny by removing the 4 cap screws.

Transfer the body mounts and upper link mount balls to the new plates. Move the rear Pivot Balls Inboard

(Note Front of chassis is higher side)



Remove the Pivot balls from the skid plate...you will need to cut the threads for the new skid plate. They are brass so you can use nippers or wire cutters (2 Fronts to 1/8", 2 Rears to 5/16").

Clean up the threads and slowly thread them in the new skid plate (The narrow side is the front)




Now you need to assemble the links. The two bend links (all thread) are the lower-rear links. Thread the ends in to make them no larger than 1.5" or you will have issues with the driveshafts separating.




Mount them onto the skid plate...then mount the tranny with the OEM screws.





On the rear upper link mount, move the Pivot Balls Inboard...

BEFORE


AFTER

Last edited by Rckcrwlr; 01-24-2010 at 02:20 PM.
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Old 01-24-2010, 02:22 PM   #6
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Attach the chassis plates...making sure that you have the higher part of the chassis to the front and the wider part of the skid plate




Then mount the shocks...

(Make sure your rear shocks are mounted inboard on the chassis)


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Old 01-24-2010, 02:24 PM   #7
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With the limited space, I decided to remove the case from the ESC/Receiver.





I used battery shrink to keep it from shorting.






I then cut access for the servo plug and the bind button. It got wire tied to the top of the chassis...


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Old 01-24-2010, 02:25 PM   #8
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Trying to decide where to put the LiPo...Thinking on the opposite side of the motor but possibly on the front servo.

Mounting the body is creative. BWD supplies you with 3mm screws and fuel tubing.

You put the new holes in the body, place the screws in with the tubing on the inside..then just slide the tubing on the existing body mounts.

There we go...Done...Or am I??


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Old 01-24-2010, 03:49 PM   #9
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great write up and build...

FYI, I chucked a ball stud in my drill and put some lapping compound in the ball end. A few mintutes later after spinning them and no binding in the ends at all
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Old 01-24-2010, 04:00 PM   #10
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Build looks great! I can't wait for mine to arrive.
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Old 01-24-2010, 04:05 PM   #11
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Nice build. Cycling the suspension will free up the suspension, but BD's way is faster and makes the links move super smooth.

Needs Vertex Micro-Locks

Don
BWD
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Old 01-24-2010, 04:30 PM   #12
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Quote:
Originally Posted by braceysdad View Post
great write up and build...

FYI, I chucked a ball stud in my drill and put some lapping compound in the ball end. A few mintutes later after spinning them and no binding in the ends at all
Quote:
Originally Posted by DickyT View Post
Build looks great! I can't wait for mine to arrive.

Quote:
Originally Posted by billet works View Post
Nice build. Cycling the suspension will free up the suspension, but BD's way is faster and makes the links move super smooth.

Needs Vertex Micro-Locks

Don
BWD
Thanks guys...

BD,
That is what I am going to do....

BWD,
I saw the new wheels...they are sweet..

Last edited by Rckcrwlr; 01-24-2010 at 04:33 PM.
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Old 01-24-2010, 04:50 PM   #13
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Any testing to tell if mounting the rear upper links on the outside helps or hurts performance? I know it was suggested to mount them inside the chassis plates but didn't know what you have found.
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