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-   -   Homemade Brushless Baja 5B style Buggy (https://www.rc-monster.com/forum/showthread.php?t=29282)

The Cow 02.12.2011 11:04 AM

Great looking build... Love the use of the muggy platform combined with the cage and wing, very sharp looking! Should be a beast :intello:

Heath

Overdriven 02.13.2011 12:27 AM

Quote:

Originally Posted by v8hatch (Post 397590)
You should do one made, it's very rewarding. I think i have seen your stretched revo on youtube in a car park going over a small jump, it looked like the counter lever suspension setup isn't up the size of 5th scale.

Yea I need to do another build. That revo wasn't mine, never did get any vids of it. But the results were very similar. Even with the stiffest springs and sway bars it couldn't support or control its weight very well. And it was under 14lbs rtr. Needed to be a little wider too, and the 5t body kinda limited that. Think I'll see if my LHS will trade me the brand new 5t body for a 5b body set and cage, then find me a roller to build. Thanks for sharing your build dude!

v8hatch 02.13.2011 03:55 AM

Just for some fun i thought i would put some brake lights on the under side of the wing.
http://i17.photobucket.com/albums/b5...c/IMG_0155.jpg

http://i17.photobucket.com/albums/b5...c/IMG_0170.jpg

v8hatch 02.13.2011 04:02 AM

This is the first run out the front of my house, just a quick test to see if everything is working.

http://www.youtube.com/watch?v=V0NhP7e4fgk

CarstenL 02.13.2011 07:35 AM

Love the build, great looking buggy. :smile:

brian015 02.13.2011 08:53 AM

Looked at a few of your vids - nice - may want to tape those front tires, though!

Questions: What top-speed are you geared for? Have you done much suspension tuning to dial in the handling?

-brian

v8hatch 02.13.2011 04:33 PM

Yeah i know it's crazy, i put very thick oil in the centre diff too.

i never geared it for any sort of speed i just went concervative to see how all the temps were and i haven't felt the need to change anything yet. it's got the muggy centre diff and a 15 tooth pinion.

No suspension tuning yet but i'm looking at getting some raven dual rate springs, not sure what oil yet. the buggy wieghs 6kg rtr but i'm thinking of fitting in one 6s lipo along with the other 2 3s lipo's and run it parallel with the 3s lipo's for longer run times this would bring the wieght up to around the 7kg mark.

CarstenL 02.13.2011 05:02 PM

Well since a stock LST is around 5kgs and uses 30wt oil, I'd suggest 40 or 45wt to start with.

brian015 02.13.2011 06:23 PM

Quote:

Originally Posted by CarstenL (Post 397802)
Well since a stock LST is around 5kgs and uses 30wt oil, I'd suggest 40 or 45wt to start with.

40wt oil in an LST shock is very thick. I was running 30-35wt oil in my 19lb buggy with the RC-Raven springs and it was plenty. More recently I've modded my pistons and will try out some weights, but you can read about that elsewhere. :yes:

v8hatch 02.13.2011 07:06 PM

Quote:

Originally Posted by brian015 (Post 397805)
40wt oil in an LST shock is very thick. I was running 30-35wt oil in my 19lb buggy with the RC-Raven springs and it was plenty. More recently I've modded my pistons and will try out some weights, but you can read about that elsewhere. :yes:


WOW.....i checked out your build, very nice. yeah i'll start with 30 and see how it goes.

lydiasdad 02.14.2011 09:21 PM

Very nice build! Do you know its top speed the way its geared?

v8hatch 02.14.2011 10:00 PM

Have no idea mate, i did try some of the calculators but i could get them to work...lol

v8hatch 02.15.2011 05:47 AM

Here is some slow motion video

http://www.youtube.com/watch?v=4ROorLR6FZo

suicideneil 02.15.2011 10:09 AM

We can work out the speed with BrianG's calculator, just need to know:

diff ratio ( ring & pinion tooth counts )
center diff tooth count
pinion tooth count
voltage/ cell count
motor kv
tire diameter

Certainly hauls though when you drop the hammer... :yes:

v8hatch 02.15.2011 04:49 PM

Quote:

Originally Posted by suicideneil (Post 398018)
We can work out the speed with BrianG's calculator, just need to know:

diff ratio ( ring & pinion tooth counts ) 4.091:1
center diff tooth count 46
pinion tooth count i think i put a 15 on
voltage/ cell count 6s
motor kv 1580
tire diameter 5.8 inches

Certainly hauls though when you drop the hammer... :yes:

I think i'm right with those figures.....lol


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