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body flexes??

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Old 08-19-2006 | 04:05 PM
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From: yessir, TX
Default body flexes??

just in case u don't know i have a jato, and today i had it out and everything was fine then all of a sudden, i lost control. the car itself didn't go out of control, but i couldn't give it gas or steer the wheels and then all of a sudden i went back to normal. it did this about 2 more times withing 5 mins. and then after that i ran two more tanks and had no problems. what could have caused this??? i put brand new batteries in the controller and receiver last weekend and the batteries show no sign of being weak. i did notice one thing though. the throttle servo has 4 screws holding it down and the front two screws the loops the screws go in where cracked. it still seems to sit in their very sturdy though, it doesn't wiggle when i push on it. but also when i have the motor off and i give it full throttle i notice that the body kinda flexes then goes back to normal when i let off the throttle. it doesn't flex much, about an 1/16 may an 1/8 at the most. i was just wondering if this is normal because i've never paid attention to this till today.
Old 08-19-2006 | 04:12 PM
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From: Jefferson, MD
Default RE: body flexes??

Did you check your wire connections?
Old 08-19-2006 | 04:39 PM
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Default RE: body flexes??

i'm still new to this, so where all do i need to check? and what do i need to look for?
Old 08-19-2006 | 05:26 PM
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From: sammamish , WA
Default RE: body flexes??

on full size cars it will move around and turn because of high rpm now i'm not saying thats your problem but that could be a reason
Old 08-19-2006 | 05:33 PM
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Default RE: body flexes??

sorry if this is dumb but what will move around because of high rpm???

also i just went and looked at the wires the best i could and held the throttle wide open and wiggled wires and it never flinched or anything. maybe it just got some dirt or something in the throttle servo and froze it for a little bit, but i'm pretty sure i loss control of steering too. it didn't last very long. but did it about 3 - 4 times. not all of them was loss of total control, like when i gave it throttle it would act like it was getting full power when i was giving it at least 3/4 throttle and then i would act fine. my engine wasn't too hot i don't think, its where it always is. and i wasn't making long high speed runs, i was playing in real dirty area, jumping my little hills i got made.

and also will it be okay to keep using the throttle servo with the front screw mounts cracked?? it seems to not be loose or anything.
Old 08-19-2006 | 05:41 PM
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From: capetownwestern cape, SOUTH AFRICA
Default RE: body flexes??

check that there is no sand in your reciever. When sand gets between the pins it can cause interference specially at high RPM, because there is alot of vibration.
Old 08-19-2006 | 05:45 PM
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From: Ft Riley , KS
Default RE: body flexes??

if your using an AM radio then it could be a number of things ......... when we run at our normal site every weekend..... we have the same kinda "glitching" occur and its more than just one car that does it we have narrowed it down to a power transformer on a pole about 20 feet from the end of our track... and it seems to affect the AM guys mostly....... i have noticed it when i run my mini (which is using stock radio) but when i run my NTC3 or my rc10gt i use my M8 which is FM and i have never glitched out there................ it could also be your antenna wire rubbing on metal or carbon fiber( if you have any) i have heard of these two casueing glitching
Old 08-19-2006 | 05:55 PM
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Default RE: body flexes??

yes its an AM radio so hopefully its just that and nothing else.

i was wondering, i've had my jato for about a month now maybe a little longer, but i hadn't really broke anything yet by wrecks or jumps, untill today where the throttle servo mount is cracked. but i was wondering how did that crack?? looks like something else would have gave instead of that ?? is this normal for them to crack that easy??

and also is the flexing of the body normal when applying throttle?
Old 08-19-2006 | 06:23 PM
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From: scone, , AUSTRALIA
Default RE: body flexes??

sounds just like a little bit of interfearance, with maybe low batteries in the transmitter.

Dann
Old 08-19-2006 | 09:14 PM
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From: NanjingJiangsu, CHINA
Default RE: body flexes??

ok My front servo mounts cracked so I had to make new ones with alotta super glue and thee old plastic pieces. I would think if you got a aluminum tray for the top that wil reduce flex.
Dan
Old 08-20-2006 | 12:27 PM
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Default RE: body flexes??

well i took and blowed out the receiver and unplugged all the wires to it and blew it out also, and changed the batteries in the car and took the throttle servo out and superglued all of the brackets. and i took it back out this morning and everything was going okay for about 3 tanks. then it started doing it again but worse. it didnt just do it for a little bit and go back to normal, this time it stayed that away. so again i took the receiver back out and blew all of it off again, and checked the servo and wires and still it would act fine till i started the engine, and then i would give it throttle and it would take off fine for about 3 secs then i loss power to throttle and steering again. so i went and got 4 more new batteries and put them in and then everything was fine again, and i ran about 3 more tanks before quitting. [&:] so i'm guessing that i got a bad pack of batteries or something???? hopefully anyways lol and also the superglue seemed to hold up the whole time


also my track has really been dusty the last couple of weekends since it has hardly rained any and very hot. so i've been trying to clean the airfilter after every 2 tanks. and i was just wondering, it seems like my lsn is either very sensitive and loves to be adjusted or i was wondering if as the filter gets dirtier through the 2 tanks, that it has an effect on my lsn. i can set it where its very responsive and cuts off within 3-5 secs on the pinch test and like by the next tank its all out of wack again??? also it was around 10 am when i went out and i'm sure heating up the whole time i was out their. so is the lsn that sensitive for yall too, or is it one of those things where its different for each motor??
Old 08-20-2006 | 06:47 PM
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From: yessir, TX
Default RE: body flexes??

i just came across something that might be why my lsn might be very sensitive. it said that if my lsn is way to rich and my idle screw is very high then they will counteract each other and one way that i told i could tell was that it would idle high and then idle lower after a few secs. and i notice mine does that sometimes. so could that be a reason why i had to adjust my lsn so often?

also as you lean out the lsn what effect does it have on the hsn?? if any
Old 08-22-2006 | 10:58 AM
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Default RE: body flexes??

LSN has no effect on the HSN.
HSN is the master control, LSN is slave. So HSN will actually have effect on the the LSN.

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