Quote:
Originally Posted by patchfoo
I am very new to R/C cars. I have a 4WD 1/10th buggy - Tamiya Durga DB01. I built it completely with stock standard (basic) parts which I am now hoping to upgrade. I am looking for an upgrade to get more speed/acceleration and the way I see it I have two options:
1. Upgrade the motor (brushless I assume)
2. Upgrade to a LiPo pack
What approx speed upgrades would I get for each?
I like the idea of upgrade to LiPo packs because I want to get a secondary battery anyway.
What things are there to consider when doing this upgrade? I know I will need to get a new charger because mine is only for NiCd and NiMH. Is that all I will need? I think I read somewhere that you need a better ESC or some other electronic part when switching to LiPo. Also, my buggy has space for traditional 6 cell packs but LiPo doesn't come that way. Is there a specific type of LiPo I will need?
Any help is much appreciated! Thanks!
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It really is a toss-up mate... A brushless(BL) motor
will need a BL esc and usually this will come with lipo cut-off in the software... you can still use a nimh/nicd(!?) pack with a BL esc/motor combo but you will still have the drop-off/dump associated with these type of cells tho' the initial speed will be higher compared to brushed+nimh/nicd...
HOWEVER... using lipo with your existing brushed combo will give a definite acceleration/top speed improvement but you will need a "stand-alone" lipo alarm which can be bought very cheaply on a well known auction site.. (search for lipo alarm... duh!
) this cut-off alarm is
important because if you discharge a lipo cell too low it may become unstable and/or unusable... you can also find chargers that will do all cell types in one unit, and once again these are to be found you know where!! look for one that has lipo "balance leads" built in...
On the Q. of cell shape there are lipo cells with moulded cases that mimic the shape of a traditional (i.e.[][][][][][] )6 cell nimh/nicd(!) so will slip straight in... you can also get lipo cells that looks like the Tamiya type(i.e. === ) cell...
Hope this helps fella!!
