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-   -   Another CORR conversion (https://www.rc-monster.com/forum/showthread.php?t=16394)

Shark413 11.11.2008 03:05 AM

Ok, a few more updates. I recieved the 6061 aluminum I need to make the front bumper bracket. I already had a custom skid plate fitted, I removed it and used it as a template to make a copy, except I made it about an inch longer. I bent the new skid so that the bumper would be at the right angle to match the body. I bolted the stock Slash bumper to the extended skid and bolted the skid to the chassis.

http://i142.photobucket.com/albums/r...3/DSC04926.jpg
Here are the basic parts, 3" aluminum bar stock, original skid, new extended skid and Slash bumper.

http://i142.photobucket.com/albums/r...3/DSC04930.jpg
Close up of new extended skid.

http://i142.photobucket.com/albums/r...3/DSC04920.jpg
Bumper bolted to skid

http://i142.photobucket.com/albums/r...3/DSC04941.jpg
Everything bolted together.

http://i142.photobucket.com/albums/r...3/DSC04939.jpg
Installed Stock Slayer body to test fit bumper.

MetalMan 11.11.2008 04:36 PM

That bumper fitment couldn't have been any better! Nice work.

DickyT 11.11.2008 06:22 PM

This is coming along nicely! keep up the great work.

Shark413 11.11.2008 06:58 PM

Hey guys thanks for the positive feedback. I had a chance to take it out on the track this weekend to see how it handled. The handling was great, just like a 1/8 scale buggy. The tires were a bit slippery, but it added to the CORR style driving (i.e. power slides around the turns). As I suspected the rear body mount, which was bascially the stock Slash mount didn't hold up to the heavier and faster 1/8 scale conversion and it took a beating. Since there is no longer a rear wing, when the truck flips all the impact is absorbed by the body and body mounts. The rear mount was too weak and it got mangled. I decided to replace my original design with a mount off a 1/8 truggy (Kyosho ST-RR). I am thinking about reinstalling the buggy wing mount, and modifying it to support the body from underneath, so it can help absorb some of the impact in crash. Next up, the rear bumper, nerf bars and finish painting the body.

http://i142.photobucket.com/albums/r...413/mounts.jpg
Original Slash rear body mount (top)

http://i142.photobucket.com/albums/r...3/DSC04933.jpg
New 1/8 scale truggy body mount.

http://i142.photobucket.com/albums/r...3/DSC04934.jpg

Shark413 11.11.2008 11:20 PM

Ok somebody was asking about the bumper mount, specfically how the top part is mounted, so here are a few more details. I already showed how the bottom is mounted to the extended skid. The top is held by a custom part I made that attaches to the sway bar mount and then is bolted to the top of the bumper. The mount is extremely strong yet flexible so it won't snap off when it gets hit. I also decided to reinstall the rear wing mount as additional brace for the body. I turned the top part of wing mount around so the angle of the wing was flat. I then cut off the winglets (tips of the wing) and added padding to the wing. When the body is on, the wing just touches the rear portion of the body, adding support and will help absorb some of the impact in a rollover.

http://i142.photobucket.com/albums/r...3/DSC04952.jpg
This part bolts to the swat bar mounts. I made this from a scrap pieces of CF and aluminum bar stock.

http://i142.photobucket.com/albums/r...3/DSC04955.jpg
Then it is bolted from the top.

http://i142.photobucket.com/albums/r...3/DSC04948.jpg
Top of wing mount reversed to give the wing a flat angle.

http://i142.photobucket.com/albums/r...3/DSC04960.jpg
Padding added to help cushion and absorb any impacts to the rear of the truck.

rootar 11.12.2008 12:25 AM

awesome idea using the wingmount looks liek you dont even need the other mounts but jsut the wing mounts....

very cool

have you tried it with regular buggy tires and noted weather or not the huge parasail of a body made a difference jumping or any in the handling?

Shark413 11.12.2008 03:11 AM

Rootar, I took it out last weekend for a test run. The project wasn't finished (no bumpers, nerf bars, shocks weren't setup, gearing, etc) but I wanted to get a general feel for how it handled so I could make adjustments later. So I only ran one pack thru it. The track has been updated recently and they took out all the big jumps, so it was hard to tell how it handled in the air. But it was very fast and the two or three Slayers on the track didn't stand a chance.

Shark413 11.12.2008 03:15 AM

Well I had some extra time today because of the Holiday so I worked on the rear bumper. I used a similar setup as the front, I made an extended skid plate and attached a Slayer rear bumper. I then bolted the skid to the chassis, made a few minor adjustments and that was basically it.

http://i142.photobucket.com/albums/r...3/DSC04971.jpg
Skid/bumper test fitted to chassis.

http://i142.photobucket.com/albums/r...3/DSC04972.jpg
Extended skid with stock Slayer bumper bolted to it.

Shark413 11.13.2008 12:03 AM

Ok another update, paint dry so I got the body finished and mounted. Just need to work on the nerf bars and fine tune the suspension.

http://i142.photobucket.com/albums/r...P1010001-2.jpg
Chassis shot top showing front/rear bumpers and padded rear wing.

http://i142.photobucket.com/albums/r...413/Image2.jpg

http://i142.photobucket.com/albums/r...P1010019-1.jpg

http://i142.photobucket.com/albums/r...3/P1010018.jpg
Slash/Slayer bumpers fit really well.

brushlessboy16 11.13.2008 07:47 AM

wow, thats looks awesome, whats next then? :lol:

TruckBasher 11.13.2008 08:56 AM

Nice bumper mounts...Truck looks great...Hope to see it in action...

Shark413 11.14.2008 05:24 PM

Well I think that's it for now. I was going to mount some nerf bars but I noticed the Associated SC8 doesn't run any special nerf bars, just the regular buggy mud guards. I changed out the oil to 50wt all around, added heavier springs and the piggyback shock reservoirs. I also tried on some black rims, what do you think?

http://i142.photobucket.com/albums/r...3/DSC04976.jpg

http://i142.photobucket.com/albums/r...3/DSC04977.jpg

http://i142.photobucket.com/albums/r...3/DSC04979.jpg

http://i142.photobucket.com/albums/r...3/DSC04989.jpg

Shark413 11.14.2008 05:36 PM

Here is the spec list of parts used and setup info.

Platform = Kyosho Kanai III 1/8 scale buggy
Motor = Neu 1515/1Y/F
Battery tray = Custom carbon fiber Fits up to 175mm long battery.
ESC = MM (soon to be upgraded to MMM) and external BEC
Shocks = CEN TR Big Bore with piggyback reservoirs (50WT all around)
Springs = CEN TR still (green)
Wheels/Tires = Ofna chrome Stadium/street or Black Proline velocity/CF.

Misc parts:
Racer Edge shock towers
Racer Edge toe blocks
Aluminum front c-hubs and knuckles.
Ti rear axles
Custom body mounts
Custom rx tray
Futaba FASST rx
Kingzhead steering plate
Slash front bumper with custom mount
Slayer rear bumper with custom mount
Custom wing (cut down and padded)
Proline HardCore body
Reckward Racing chassis braces
RC-Monster motor mount
HiTech 5645 digital steering servo

Specs:
Weight = 7lbs 10oz without battery.

TheRandom1 11.15.2008 09:08 AM

I like the style of the chromies, but black fits the style better... great build!

Shark413 11.18.2008 09:08 PM

One more update, I changed out the Neu 1515/1Y for a TeknoNeu 1515/1.5Y square can motor. I added a 40mm fan to the motor can because I plan on running the truck with no cooling holes in the body. Also added MMM and a Novak transcap.

http://i142.photobucket.com/albums/r...3/DSC04994.jpg

http://i142.photobucket.com/albums/r...3/DSC04993.jpg
Size comparison, next to my 1/8 truggy.


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