R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Electric On-Road

Thread Tools Search this Thread
Old 04-09-2008, 10:35 PM   #46
Tech Champion
monkeyracing's Avatar
R/C Tech Elite Subscriber
Join Date: Mar 2008
Location: SnowMexico
Posts: 5,806
Trader Rating: 10 (100%+)

Y'know, I've been hearing the LiPo argument a lot lately. The pro side of the argument seems to come from people who are obsessed with tweaking that last little teensy bit of performance out of their car, and don't have a problem spending money to do it.

For someone like me, the switch to LiPo is a bit of an investment. I figure it'd take about $300-$500, maybe more. Is that fair? Not really. Not right away, anyhow.

So, to keep things fair for those of us who don't have a bunch of money to throw at their hobby, cars running LiPos are weighted down a little. Get over it.

This is (essentially) formula racing, so that pretty much anyone that wants to can afford to participate. Besides that, it's a hobby.

Relax. The switch to LiPo is coming for everyone. Let us save up our pennies so we can all play.

If we're gonna go that way, you'll need a bigger knife.
monkeyracing is offline   Reply With Quote
Old 07-26-2008, 11:11 AM   #47
Tech Master
heretic's Avatar
Join Date: Aug 2006
Location: europe
Posts: 1,053

Originally Posted by zenithrr View Post
without changing the x2, 416, etc layout, adding a lighter or shorter can bushless motor is way to go. I found using a lighter servo do help a lot too. the goal is to move more weight toward the center point without sacrifice performance.

Here's what I would use, but in need of a 5mm shaft pinion to make such setup works.

heretic is offline   Reply With Quote
Old 07-26-2008, 12:07 PM   #48
Tech Elite
nashrcracer's Avatar
R/C Tech Charter Subscriber
Join Date: Nov 2001
Location: LA - Lower Antioch
Posts: 4,843
Trader Rating: 1 (100%+)

Originally Posted by monkeyracing View Post
Let us save up our pennies so we can all play.


some of you may be new to the game but I have a lot of legacy equipment that doesn't work with lipo plus your talking club racing not national level racing...

what wins on sunday sells on monday still applies somewhat to this sport. so untill toso or cyrul or massami wins the worlds with a lipo the only one that is going to have this kind of push for the basher club racer is going to be losi. and don't give me the fairtrace arugment he could of won with any car he's a good driver. just wish 5cell would of come along 5 years ago like the europeans so this wouldn't be an argument right now. run within the prescribed rules so everybody is on a level playing field.

think about this if I have a 12 cyclinder steel 6 liter motor and you have a 8 cyclinder aluminum 6 liter motor should the rules change just because you can make your car lighter.
RC50 As you come into this world, something else is also born. You begin your life, and it begins a journey towards you. It moves slowly, but it never stops. Wherever you go, whatever path you take, it will follow never faster, never slower, always coming. You will run, it will walk. You will rest, it will not. One day, you will linger in the same place too long you will sit too still, or sleep too deep. And when, too late, you rise to go, you will notice a second shadow next to yours. Your life will then be over.
nashrcracer is offline   Reply With Quote
Old 07-26-2008, 12:38 PM   #49
Tech Fanatic
Join Date: Jun 2007
Posts: 946
Trader Rating: 1 (100%+)

Originally Posted by nashrcracer View Post
think about this if I have a 12 cyclinder steel 6 liter motor and you have a 8 cyclinder aluminum 6 liter motor should the rules change just because you can make your car lighter.
What should happen is a minimum weight rule should be added to the list. Happened in F1, so why not for TC racing?
Sabin is offline   Reply With Quote
Old 07-27-2008, 01:00 AM   #50
Tech Fanatic
Join Date: Jun 2005
Posts: 900

This debate is a bit disappointing. Trying to get an existing technology (LiPo) into applications it isn't designed for isn't evolving anyone or anything. The debate, if we want to evolve, should be how we get the future technologies into RC.

LiFePo4 seems to be more suited to RC. The 6.6v is applicable to all electric RC classes, allowing everyone to use the same cells irrespective of class. We can all use the existing motors and electronics, and the cells are naturally inert (don't explode in an accident) come wrapped in a hard case (auminium cased in all applications) and give the discharge rates we are looking for. In addition, they charge much faster than current cells.

If we want to evolve, then we should be pressing A123 Batteries to come up with sizes and shape to suit 12th, TC, Oval, 1/18th, etc. and then adapting battery locations in current cars (can't use current 'slots') to suit. Most cars are overweight as they are, so taking 50g out of a 12th battery would bring the car to the current minimum weight, and I can still use existing motors to avoid the lack of traction when using 380 motors.

If we want to move forward, LiFePo4 is the way to go. LiPo is just a transitionary phase, so like FredB says, let's get onto A123 to expand their range into batteries that fit current cars, not try to lever the wrong technology (LiPo) into things. That would be evolution.
SlowerOne is offline   Reply With Quote
Old 07-27-2008, 12:28 PM   #51
Tech Fanatic
trailranger's Avatar
Join Date: Feb 2007
Location: Springfield, MO
Posts: 946

My LiFePO4 cells look like any other NiMH pack with 4 or 6 cells....but weigh 2/3rd.

Convincing a large battery manufacture to retool just for our hobby will be hard when they are in full swing making batteries for EV's. The smaller battery companines are the ones to convince since they need the sales.
trailranger is offline   Reply With Quote

Similar Threads
Thread Thread Starter Forum Replies Last Post
time for a new car, motor and lipo RoseTuned Electric On-Road 8 11-06-2007 09:01 AM
Stupid N00b question time: Why is my car going backwards?!? daveaustin5 Electric On-Road 13 03-02-2007 12:52 PM
need peoples opinion.... misfitz28 Oval, Larger Scales and More 2 01-21-2007 07:28 PM

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search

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
Trackbacks are On
Pingbacks are On
Refbacks are Off

All times are GMT -7. It is currently 08:00 AM.

Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net

SEO by vBSEO 3.5.0