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-   -   WK Full Droop Comp Chassis! (http://www.rccrawler.com/forum/hpi-wheely-king/177801-wk-full-droop-comp-chassis.html)

Kraqa 05-10-2009 09:23 PM

WK Full Droop Comp Chassis!
Well i got bored of the AX10 RC i have so i've started to aquire some WK parts. Startign with the tranny.

this is a 2" wide full droop comp chassis based on a WK tranny. Right now i have it with AX axles under it but that could change.

I haven't done the control arms yet. but thats next.

this even has a full functioning drive shaft dig. and chassis mounted servo.


my tranny shoudl arrive in a week or so. I will be cutting the chassis hopefully in the next 7 days.

Kraqa 05-10-2009 10:16 PM

i started playing with the shocks extended. fully then flexing it out.


Kraqa 05-10-2009 10:21 PM

the axles are contrained in the model as if it has control arms. i just didn't feel like modeling them.

calikingcrawler 05-10-2009 10:29 PM

Very interested.

CruiserHead 05-10-2009 11:13 PM

I am all for the WK based rigs but usually one would work off the Axles and use a different Tranny. IMO, You should at least start development on the correct foot and engineer the rig to have a clocked motor plate or some other custom mounted motor. I am building an FJ40 that will have a separate bracket for the motor for lower CG... Interested to see this build come alive.

I will follow this for sure.


Kraqa 05-11-2009 10:17 AM

If you look closely the motor is mounted extremely low. In fact it is only about ” higher then the Axial set-up when measured form the skid plate. The goal of this chassis was to make it narrow and have the weight up front.

I have made clocking rings for the WK that gets the motor resting on the skid plate but the chassis width is 3.5” at the very best. This chassis is 2” wide.

If you look at the Axial comp chassis that are this widt it has 3/4 of the motor hanging out of it to one side. This is a true 2”.

The reason for the WK tranny was for the width. I will be making this with arms and axle mounts to use the WK axles as well for a buddy.

If it works it is a great upgrade for all the guys thinking about switching to a Axial.

Keep following the thread……input is appreciated.

billet works 05-11-2009 10:23 AM

I like how you mounted the motor...of course I'm kinda partial since I did the same thing on my pro comp WK :ror:

Kraqa 05-11-2009 10:55 AM

no surprize.

when its a good idea people will use it!!!


CruiserHead 05-11-2009 03:16 PM

I Would like to see the motor mount/bracket by itself of you have any pictures, please. Looks like an integrated mount/frame brace. Since I am going to mount the motor in the engine compartment it might help me to get the 'ol brain thinking on the correct wavelength to fab a bracket.

Also, I have a chance to take a surf cam class this summer. That a good one to take before CNC machine operation or after? I can't decide how far i want to go with my schooling but "All the way" would be the ultimate. I dream about making all my own parts with a CNC rig.



Kraqa 05-11-2009 05:04 PM

Your right. The motor mount is mounted to the frame and doubles and a chassis stiffener.

When I get home I’ll show a more in depth picture.

Why I think this will work so well is that I plan on using all the factory tranny mounts. The posts on the side of the tranny are quite long but in my case I have decided that I will be sanding them down to make the OA width of the tranny 1.5”.

But having the tranny mounted in 6 locations should be VERY stiff.

sourdojack 05-11-2009 05:29 PM

It's been a while since I've seen a 60/40 split TVP chassis. Looks pretty good though! I really like the idea of the motor out front, wish I could have thought of it first ;-) I'm interested to see how the set-up works with droop and having the skid plate so small, might just be the ticket!


701 Technique 05-11-2009 05:44 PM

Whats your paypal:ror:

I love this design, keep up the good work"thumbsup"

grizz 05-11-2009 05:46 PM

you should put this in the wk chassis template thread, looks like a good chassis

Kraqa 05-11-2009 06:06 PM

ok heres the motor plate. i ave changed the colour to Red so you can see it better.

I'm goign to try it out of Delrin first....if that fails then i will go aluminum.


i ordered up some new cutting bits for the table today. shoudl be here in a week or so...

then i can start playing around with this in real life.

tonight i'm hoping to get the WK axles fully model'd. i'll let you guys know how it turns out.

Code454 05-11-2009 07:51 PM

you should just make the motor plate out of metal to start with than no problems at all, unless how thick you making it?

Kraqa 05-11-2009 10:06 PM

k got the WK axle model'd.

now i can get to the real work....makin' this chassis work with a WK axle.


Kraqa 05-11-2009 10:46 PM

ok well the link mounts, shock mounts, and drive shafts are all in generally the same location. this is good.

i actually liek the factory mounting clips when turned up. We'll see if i end us using them or makign new ones.


vavaroutsos 05-12-2009 01:14 AM

Would you mind sharing the Solid Works models? I'm still learing Solid Works and would love to see how you modeled some of these parts.


EHeye 05-12-2009 10:55 AM

Very excited Kris!! This thing looks kill! And its going too work awesome! "thumbsup"

Code454 05-12-2009 11:42 AM

That aint gonna work Kris:lol: jk, did u get any more done lastnight"thumbsup"

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