RC-Monster Forums  

Go Back   RC-Monster Forums > Support Forums > HPI Savage

Reply
 
Thread Tools Rate Thread Display Modes
Old
  (#1)
neweuser
RC Monster, the Final Frontier
 
neweuser's Avatar
 
Offline
Posts: 3,379
Join Date: Feb 2006
Location: Minnesota
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"
  Send a message via MSN to neweuser  
Reply With Quote
Old
  (#2)
MTBikerTim
Yip Yip Yip...
 
MTBikerTim's Avatar
 
Offline
Posts: 1,489
Join Date: Aug 2007
Location: Australia
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.
  Send a message via MSN to MTBikerTim  
Reply With Quote
Old
  (#3)
neweuser
RC Monster, the Final Frontier
 
neweuser's Avatar
 
Offline
Posts: 3,379
Join Date: Feb 2006
Location: Minnesota
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"
  Send a message via MSN to neweuser  
Reply With Quote
Old
  (#4)
lutach
RC-Monster Dual Brushless
 
lutach's Avatar
 
Offline
Posts: 5,139
Join Date: Sep 2006
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.
  Send a message via MSN to lutach  
Reply With Quote
Old
  (#5)
suicideneil
Old Skool
 
suicideneil's Avatar
 
Offline
Posts: 7,494
Join Date: Feb 2007
Location: Devon, England
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?....
   
Reply With Quote
Old
  (#6)
2FastSS4U
RCM Brushless Savage
 
2FastSS4U's Avatar
 
Offline
Posts: 186
Join Date: Apr 2007
Location: San Antonio, Texas
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)
   
Reply With Quote
Old
  (#7)
BrianG
RC-Monster Admin
 
BrianG's Avatar
 
Offline
Posts: 14,609
Join Date: Nov 2005
Location: Des Moines, IA
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...
  Send a message via Yahoo to BrianG Send a message via MSN to BrianG  
Reply With Quote
Old
  (#8)
2FastSS4U
RCM Brushless Savage
 
2FastSS4U's Avatar
 
Offline
Posts: 186
Join Date: Apr 2007
Location: San Antonio, Texas
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.
   
Reply With Quote
Old
  (#9)
BrianG
RC-Monster Admin
 
BrianG's Avatar
 
Offline
Posts: 14,609
Join Date: Nov 2005
Location: Des Moines, IA
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.
  Send a message via Yahoo to BrianG Send a message via MSN to BrianG  
Reply With Quote
Old
  (#10)
2FastSS4U
RCM Brushless Savage
 
2FastSS4U's Avatar
 
Offline
Posts: 186
Join Date: Apr 2007
Location: San Antonio, Texas
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)
   
Reply With Quote
Old
  (#11)
bdebde
That's All Folks!
 
bdebde's Avatar
 
Offline
Posts: 2,359
Join Date: Dec 2006
Location: in a VAN down by the RIVER
11.08.2007, 12:28 AM

140 is max for the li/mn, but I never see mine over 120, even pushing them hard.
   
Reply With Quote
Old
  (#12)
aqwut
Brushless Heavy Weight....
 
aqwut's Avatar
 
Offline
Posts: 1,954
Join Date: Sep 2005
Location: Kingsville, Ontario
11.09.2007, 08:27 PM

The truck looks sweet dude..!! Great Job...


The Power of BRUSHLESS!!!!!
http://www.geocities.com/aqwut
1HP (electric) = 746 Watts.
Everything is brushless!!
   
Reply With Quote
Old
  (#13)
2FastSS4U
RCM Brushless Savage
 
2FastSS4U's Avatar
 
Offline
Posts: 186
Join Date: Apr 2007
Location: San Antonio, Texas
11.09.2007, 10:46 PM

thakyou sir


The wisest mind has something yet to learn. (George Santayana)
   
Reply With Quote
Old
  (#14)
2FastSS4U
RCM Brushless Savage
 
2FastSS4U's Avatar
 
Offline
Posts: 186
Join Date: Apr 2007
Location: San Antonio, Texas
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.
   
Reply With Quote
Old
  (#15)
nl12
RC-Monster Carbon Fiber
 
nl12's Avatar
 
Offline
Posts: 412
Join Date: Nov 2005
Location: Monterey CA
11.11.2007, 01:26 PM

You have to put the flat spot on the motor see this thread and dont forget threadlock http://www.rc-monster.com/forum/show...ight=flat+spot
   
Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump







Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2025, vBulletin Solutions Inc.
vBulletin Skin developed by: vBStyles.com