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-   -   Xray Xt8 (https://www.rc-monster.com/forum/showthread.php?t=9241)

entjoles 12.29.2007 10:03 PM

Xray Xt8
 
i am in the process of selling my revo stuff and just put my electrics in this truggy i got on ebay from mailman:yipi::party:

xray xt8 with rc-monster motor mount
mm, 4s, 9xl
16/48

temps were 85-90*f in a 50*f underground garage

Q?...can i go to a 18 tooth pinion??(what i have)

i plan on using this for double duty, brushless and nitro :oops: so i will be making a new plate to put the electrics on to ease swapping back and forth

i will post a few pics soon, but they arent the final set-up, i just put it together and had to test

set up help for diffs and suggestions are welcome

heres a quick vid...........very low traction on dusty cement..maybe 35mph??

http://www.youtube.com/watch?v=nCAuVhs-w2o

squeeforever 12.29.2007 10:25 PM

Your gonna have to compromise if its gonna pull double duty. The diffs, setup correctly, aren't gonna be ideal for both. Its one or the other. Usually brushless is gonna require a good bit heavier fluid in the center, and slightly heavier in the front and rear.

entjoles 12.29.2007 10:30 PM

true, but i have to remove the diff anyway to change it back to nitro, and it will only be ran nitro a one weekend a month

i was thinking since i have some , i would try 30k in the center with brushless

i dont know whats in there now

entjoles 12.30.2007 01:08 AM

maybe i should get a second set of diffs??

heres some pics

i just have this thrown in here for testing, i will be makeing a new esc. plate to mount it farther back and look a little more tidy

and will upgrade to the MMM when it comes out, this is my winter project so i will post some new pics once i get it finished

http://i170.photobucket.com/albums/u...s/IMG_1284.jpg
http://i170.photobucket.com/albums/u...s/IMG_1285.jpg
http://i170.photobucket.com/albums/u...s/IMG_1286.jpg

ncalenda 12.31.2007 02:00 AM

Quote:

Originally Posted by squeeforever (Post 137224)
Your gonna have to compromise if its gonna pull double duty. The diffs, setup correctly, aren't gonna be ideal for both. Its one or the other. Usually brushless is gonna require a good bit heavier fluid in the center, and slightly heavier in the front and rear.

What would you recommend? I was going to try 7/15/7 (stock is 7/10/7)/

Are you thinking maybe 10/20/10??

I bought a 2nd center diff so that I could test diff ones.

squeeforever 12.31.2007 12:54 PM

I would say start at 30 in the center.

ncalenda 12.31.2007 02:43 PM

If I go with 30 in the center, will that put too much stress on the diffs or axles?

tallyram 12.31.2007 11:57 PM

i started out with 7/30/3, but i drive on a tight track so i went down to 10 in the center. the truck doesn't want to wheelie as much in certain parts of the track and it has more off power steering!

entjoles 01.01.2008 12:50 AM

thanks, thats sweet, i can run both with out much grief then

btw.. what do you run in your shocks

Patrick 01.01.2008 01:05 AM

I've tried 10k and 30k in the center diff in my brushless truggy. I think I liked 10k a bit better for racing, but I'll probably try 20k or so next. I think you can find find an oil that will be ok for both.

squeeforever 01.01.2008 01:30 AM

The main thing is what kind of diffs you have. 4, 6, or 8 spyder. The more spyder gears, the lighter the fluid you can run.

entjoles 01.01.2008 01:38 AM

patrick.....omg i just noticed your avitar

whats in that dogs mouth

oh and thanks, ill give those a shot, brushless will mainly be bashing and track days, and maybe racing club races, but i want to run the summer series here and i have to run nitro there

Patrick 01.01.2008 01:43 AM

Quote:

Originally Posted by entjoles (Post 137626)
patrick.....omg i just noticed your avitar

whats in that dogs mouth

:lol: Your the second person to ask what's in his mouth.
He doesn't have anything in his mouth, he's just resting his head across his leg. (his front paws are white)

ncalenda 01.02.2008 05:46 PM

Quote:

Originally Posted by squeeforever (Post 137621)
The main thing is what kind of diffs you have. 4, 6, or 8 spyder. The more spyder gears, the lighter the fluid you can run.


This is in the xt8, so 4 spiders.

I was going to start with 10k, but then jump to 30k, and then back to 20k. I want to see which one I like.

entjoles 01.02.2008 07:18 PM

http://www.teamxray.com/teamxray/pro...w%20XRAY%20XT8

it says 6 gear

it wasnt bad when i drove it , so i will probably wait till spring to get some testing in


edit ..... 4 gear ...sorry
http://www.teamxray.com/teamxray/pro...20Gears%20(2+4)

entjoles 01.12.2008 09:47 PM

same basic set-up, moved the esc., still need to get a ubec, and i changed to 18 tooth pinion/have not ran it though

also painted a body today , just did a fade job, looks better in the pics then in person:lol:, but it will get beat bad come spring:rofl:


http://i170.photobucket.com/albums/u...s/IMG_1306.jpg
http://i170.photobucket.com/albums/u...s/IMG_1305.jpg
http://i170.photobucket.com/albums/u...s/IMG_1304.jpg
http://i170.photobucket.com/albums/u...s/IMG_1303.jpg
http://i170.photobucket.com/albums/u...s/IMG_1302.jpg

ClodMaxx 01.13.2008 01:34 AM

nah, that body looks great. good job!

uh-oh - is that a non-hardened steel pinion i see? you might want to try the kyosho plastic spur - that's what i'm going to try once i get my eXT8 back in a week or two. supposedly you just have to drill the holes to 4mm and it'll fit.

nice job!! :great:

entjoles 01.13.2008 02:11 AM

yeah i may try that, i have not run this pinion, i got it with my crt.5 i bought, i will have to get a hardened one then

how can you tell the diff. between the two?

ncalenda 01.13.2008 01:46 PM

love the paint job, very nice!!!


Do you know how much is weights? Mine is 10lb 5.8 oz with a 5s 6000 in it.

ClodMaxx 01.13.2008 02:22 PM

Quote:

Originally Posted by entjoles (Post 140777)
how can you tell the diff. between the two?

the last few hardened pinions i bought from RCM have been the near-black color... but maybe the older hardened ones weren't that dark. it was just a guess. :neutral:

entjoles 01.13.2008 02:54 PM

thanks, i just should have used more yellow and orange, it got to dark in the back, but it will work

i dont know the weight on it around 10 +


this pinion is a light bronze, so it must not be hardened

what size plastic spurs are available??

44,46,48?

and all i need to do is make the screw holes bigger?

ncalenda 01.13.2008 08:08 PM

ya, when I talked with Mike last, he said it is only making hardend steel pinion gears now, the steel ones were steel in color, with no bronze.

I ran mine for the first time, wow, this thing is a dream compared to my e-maxx. I can't believe how nice it does on corners.

entjoles 01.13.2008 08:22 PM

i know, when i drove mine , i got done and 5 min. later i started to take apart my g3r, i knew i would never want to drive it again, and besides i used the electrics out of it:lol:

but it is lighter , easy to work on , and handles much better

one large rc is enough

ncalenda 01.14.2008 01:07 AM

funny, I did the same to my e-maxx!!

entjoles 02.03.2008 08:38 PM

some new video, very icey snow, no traction

the 2nd one i was jumping the wing breaks off, 25*f temps and xray parts = new parts


http://i170.photobucket.com/albums/u...h_MVI_1352.jpg

http://i170.photobucket.com/albums/u...h_MVI_1353.jpg

entjoles 02.24.2008 02:01 PM

made a top diff. plate to mount electrics to and will soon be getting a ubec and trimming up the rx wires....:oops:

http://i170.photobucket.com/albums/u...IMG_1447-1.jpg
http://i170.photobucket.com/albums/u...s/IMG_1448.jpg
http://i170.photobucket.com/albums/u...s/IMG_1449.jpg


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