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Losi 1/10 TEN-SCTE ARR 4x4 Short Course Truck Thread

Old 09-12-2011, 05:22 AM
  #19831  
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Originally Posted by chucko View Post
in an answer to my own question of pounds and force on a chassis. at 35 mph at 7 pounds hitting a jump crashing regardless of gravity it hits at a force of 64.48980815347721 Pounds. unless a turn marshal that falls on it. your never going to get to 160 pounds of force unless you hit a wall at 134 mph.. ( just a little information for someone standing on your toy )
Sorry Chucko, but forces are proportional to the square of speed, so your calculations are wrong. Want to find out where they went off track?
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Old 09-12-2011, 05:39 AM
  #19832  
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Originally Posted by mxr300ex View Post
I'm going to install the Castle MMP SCT combo with the 1415 2400kv motor in my Losi. I just ordered 2 GensAce 5000mah 40c 3s lipos to run with that motor. Does anyone know what pinion range I need to be in with a 2400kv on 3s? I'm thinking a 14 or 15?
I had this set up in my scte and was running a 2s with an 18 tooth on a 100x50 indoor track and was coming off after 8 min mains at 110-125.
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Old 09-12-2011, 05:55 AM
  #19833  
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Originally Posted by Cement head View Post
I had this set up in my scte and was running a 2s with an 18 tooth on a 100x50 indoor track and was coming off after 8 min mains at 110-125.
you never tried 3s?
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Old 09-12-2011, 06:16 AM
  #19834  
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Originally Posted by dtr View Post
Sorry Chucko, but forces are proportional to the square of speed, so your calculations are wrong. Want to find out where they went off track?
In order to find an accurate force on the chassis you would have to consider that all of the weight is not on the center of the chassis and the truck does not come to an instant downward stop because the suspension absorbs some of the force.
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Old 09-12-2011, 06:44 AM
  #19835  
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http://www.physicsforums.com/

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Old 09-12-2011, 06:53 AM
  #19836  
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Originally Posted by hacker07 View Post
Well, something to consider is that the car would not move if there was a bearing missing on the front diff. It would have no front wheel drive as the ring and pinion would not mesh. It could have grenaded and disappeard that way.

Oh it rolled Ryan, Rolled well enough for 3 of 4 quali's and a Win yesterday, I just this morning got all the grease cleaned off and Sure enough you can see a Ring worn off the outdrive where it was riding on the Case, And More shockingly, The R+P and Case are Just dandy. When i first opened up the case last night it was a Petty nasty looking mess but after getting it all cleaned up, there's not a Touch on the Ring gear and the Case appears to not be Drastically effected.
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Old 09-12-2011, 06:58 AM
  #19837  
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Originally Posted by skengines View Post
I'm trying to setup my Losi for 3 degrees of toe but I only have 0, 1 and .5 to use.

Was it supposed to come with a 3 degree?
Anyone?
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Old 09-12-2011, 07:03 AM
  #19838  
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Originally Posted by skengines View Post
Anyone?
Assuming that you are referring to the Losi adjustable hinge pin mounts, then 0's should give you 3* toe.

The .5's will give you 2.5 or 3.5 depending which way you install them, and then the 1's give you 2 or 3
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Old 09-12-2011, 07:05 AM
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Thanks!

Care to explain how that works? Sorry I'm still new to setting up cars so still learning.

Also for the fronts what should I use?

I am using the Losi adjustable hinge pin holders.
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Old 09-12-2011, 07:46 AM
  #19840  
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Originally Posted by skengines View Post
Thanks!

Care to explain how that works? Sorry I'm still new to setting up cars so still learning.

Also for the fronts what should I use?

I am using the Losi adjustable hinge pin holders.
The losi pin holders come with diagrams that explain if you put what inserts in, what degree of what they will give you. Did you not get these?

The main thing to know is 0's all around will always give you stock everything. In the rear, stock is 2 deg of anti squat and 3 degree of toe. Then you go from there as to what you want to adjust.
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Old 09-12-2011, 07:54 AM
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I got it but I must have misplaced it when I moved.

Anyway you can get me a copy?

Also would this apply for the front suspension as well or only for the rear?
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Old 09-12-2011, 08:13 AM
  #19842  
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Originally Posted by dtr View Post
Sorry Chucko, but forces are proportional to the square of speed, so your calculations are wrong. Want to find out where they went off track?
after a few min or searching. g force calculation I found a site that does this for the DMV its easy .. you put in the amounts.. pounds, speed and it calculates the amount of force.. Try it and if they are wrong. let them know
Thanks

http://hyperphysics.phy-astr.gsu.edu/hbase/carcr2.html

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Old 09-12-2011, 08:24 AM
  #19843  
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Originally Posted by mxr300ex View Post
In order to find an accurate force on the chassis you would have to consider that all of the weight is not on the center of the chassis and the truck does not come to an instant downward stop because the suspension absorbs some of the force.
you are so right .. to many variables to consider.. dirt, hardness, air speed, which way its traveling south north up down but if it lands on the middle of the chassis and hits the lip of a jump at 35 mph and at 6 to 7 pounds its generating a force of around 70 pounds give or take a few ounces. just saying your car shocks will get a little longer each time (IF IT HIT's DEAD ON)and it will chew up the drupe screws on the frame. and make your heart skip a few beats when your center drives pop out of there lovely home hardened out drives..LOL
your history lesson for the year Thanks have fun racing....
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Old 09-12-2011, 08:32 AM
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Originally Posted by Mr.juarez View Post
no i have not. i check usps and they are still in SWITZERLAND since the 1st of september, im getting irritated now. 3 weeks so far now and nothing

edit i know of another guy that ordered this very same lipo the same day i ordered mine and they just shipped it last week oh and they told him it may take up to 40 days in an email he got

rc will you sell me 1 of the packs when you get them? i know you ordered a lot of them im trying to paired them as a 4s and used them as 2s at the same time



i emailed hk asking them what the crap is the purpose of the "fast shippin rates" when they take their sweet azz time sending them, ill post back what they say my other friend ordered lipos overseas and he got his in 2 weeks
I dont understand your guys logic. you spend around 2 too 3 hundred on hop ups.. (or more) 300 for a truck a few hundred for a radio. a couple of hundred for a speed control and motor, and your buying batteries from over seas.. I know of three listed right here in these posts that have better and you get them faster and for the same money. TRY returning one of there batteries.. Just saying.. I purchased 1 to test and it lasted 4 laps.. stick with local. keep the money in the usa.. Thanks
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Old 09-12-2011, 08:35 AM
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Originally Posted by chucko View Post
I dont understand your guys logic. you spend around 2 too 3 hundred on hop ups.. (or more) 300 for a truck a few hundred for a radio. a couple of hundred for a speed control and motor, and your buying batteries from over seas.. I know of three listed right here in these posts that have better and you get them faster and for the same money. TRY returning one of there batteries.. Just saying.. I purchased 1 to test and it lasted 4 laps.. stick with local. keep the money in the usa.. Thanks
the truck, radio, speed control, and hop ups are all also made overseas, and losi is owned by horizon, an overseas company. How's that for logic?
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