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RC Monster, the Final Frontier
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Posts: 3,379
Join Date: Feb 2006
Location: Minnesota
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11.07.2007, 02:00 PM
It'll dump like nitro runs out of gas.
"if you've got something to say, say it peacefully"
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Yip Yip Yip...
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Posts: 1,489
Join Date: Aug 2007
Location: Australia
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11.07.2007, 06:27 PM
That's a good question. I know on my mini-t it doesn't just stop. It will stop if I gas it hard but then it will keep going if I just give it a little bit I stop when I notice that happens. With something bigger I assume it would just stop or is it meant to be like that all the time.
And the LST shocks seem to work well. They are mounted with an Innovative-rc shock mounting kit which is very nice. Once again they haven't been on the truck long enough to give a full report but so far so good. My only issues with them are that with the shocks being mounted slightly out from the plastic towers they bend the towers in slightly so my body holes don't line up like they used to. Also I think they helped make this happen 
It's nice they are adjustable too. I stiffen them up for jumps (to get that extra height and soften them for normal racing around. The aluminium bars destroyed the back of my body really quickly though.
Last edited by MTBikerTim; 11.07.2007 at 06:48 PM.
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RC Monster, the Final Frontier
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Posts: 3,379
Join Date: Feb 2006
Location: Minnesota
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11.07.2007, 06:39 PM
basically, how it works is this. When the voltage gets to that point, it will stop. Obviously, when you don't keep on the gas, let it go, wait a minute, it will go again, but only a short period until the voltage drop hits again. Like I said....like when nitro runs out of gas.
"if you've got something to say, say it peacefully"
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RC-Monster Dual Brushless
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Posts: 5,139
Join Date: Sep 2006
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11.07.2007, 06:48 PM
Some controllers allow you to set up a slow cutoff. Which will slow down your vehicle before the cutoff is reached. Hard cutoff will basically shut the controller down.
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Old Skool
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Posts: 7,494
Join Date: Feb 2007
Location: Devon, England
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11.07.2007, 07:25 PM
I think I have seen LVC devices that sound an alarm when you hit the cut-off voltage. Can you imagine what you happen happen if the esc shut down on a plane or ducted fan jet mid-flight, or an MT whilst it was running in the street and a 1:1 came along?....
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RCM Brushless Savage
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Posts: 186
Join Date: Apr 2007
Location: San Antonio, Texas
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11.07.2007, 09:15 PM
OK just makin' sure I was hitting the LVC and not over discharging the packs. When I ran it after about 30 mins it all of a sudden lost power, like it would barely move, I didn't run it after this happened as I assumed the LVC kicked in but I wasn't completely sure if Mike had set everything up when he installed the equipment. Though I did check the battery stats on my charger and the 3s showed a voltage of 9volts and my 2s showed 6volts so I'm assuming the voltage cutoff was right at 3.0v/cell, which to me sounds about right. After reading through my Quark manual 3.0v/cell is the highest voltage it allows the cutoff to be at. Does this sound ok?
The wisest mind has something yet to learn. (George Santayana)
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RC-Monster Admin
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Posts: 14,609
Join Date: Nov 2005
Location: Des Moines, IA
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11.07.2007, 09:54 PM
Yeah, that sounds ok. Unfortunately, the Quark only allows 3v cutoff max, and I like something more like 3.1-3.2v/cell. How long are you waiting after running the pack before you get those voltage readings? The pack voltage should drift back up to ~3.4v+ after sitting unloaded for a while. If not, maybe you're pushing the batts a little too much either by too-tall gearing or using packs that really aren't up to the task...
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RCM Brushless Savage
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Posts: 186
Join Date: Apr 2007
Location: San Antonio, Texas
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11.07.2007, 10:32 PM
I'm only waiting a few hours when I get those readings. When the LVC kicked in the motor was red hot, ESC and batteries were barely warm. I know nothing about gearing so I'm pretty much up a creek right now if my gearing is wrong. Though I should mention I was running in medium heigth grass the whole time, goosing the throttle constantly
The wisest mind has something yet to learn. (George Santayana)
Last edited by 2FastSS4U; 11.07.2007 at 10:34 PM.
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RC-Monster Admin
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Posts: 14,609
Join Date: Nov 2005
Location: Des Moines, IA
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11.07.2007, 10:39 PM
Wow, they are only 3v/cell after a few hours? Usually they drift back up after ~20 minutes. But, they aren't warm so it doesn't sound like they are being overworked.
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RCM Brushless Savage
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Posts: 186
Join Date: Apr 2007
Location: San Antonio, Texas
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11.07.2007, 10:44 PM
Hehe I hope not, if they're not up to the task I'm kinda out of luck as they fit perfectly in my truck. And they were kind of warm I didn't have a temp guage on me ATM so I couldn't tell you exactly how warm. What's considered overworked warm in li-mn(po-ion) standards?
The wisest mind has something yet to learn. (George Santayana)
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That's All Folks!
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Posts: 2,359
Join Date: Dec 2006
Location: in a VAN down by the RIVER
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11.08.2007, 12:28 AM
140 is max for the li/mn, but I never see mine over 120, even pushing them hard.
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Brushless Heavy Weight....
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Posts: 1,954
Join Date: Sep 2005
Location: Kingsville, Ontario
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11.09.2007, 08:27 PM
The truck looks sweet dude..!! Great Job...
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RCM Brushless Savage
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Posts: 186
Join Date: Apr 2007
Location: San Antonio, Texas
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11.09.2007, 10:46 PM
thakyou sir
The wisest mind has something yet to learn. (George Santayana)
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RCM Brushless Savage
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Posts: 186
Join Date: Apr 2007
Location: San Antonio, Texas
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11.11.2007, 01:12 PM
Well, I got my wheels and tires in friday, mounted them last night and went to drive it this morning, needless to say I'm pretty pissed off right now, my pinion gear keeps on falling off because there's no flat spot on the motor shaft, I'm guessing I got a lucky motor that didn't have one as I assume all Neu's have that flat spot. Can anyone help?
Edit: Oh yeah, and the pinion is gone.. lost forever and I've no idea what tooth count or size it is.. After spending this much money I'm kind of disappointed that I havent even gotten to run it for a full charget yet.
The wisest mind has something yet to learn. (George Santayana)
Last edited by 2FastSS4U; 11.11.2007 at 01:25 PM.
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