View Full Version : Old esc and lipo
franki
26-09-2012, 10:19 PM
Hi
Sorry if this has been asked before but can you use lipo with brushed set up namely Novak cyclone ???
It's just for a vintage project
Thank you
cutting42
27-09-2012, 12:19 AM
A Lipo is just a battery. The cell voltages are rated higher than Nimh. Nimh is 1.2 v per cell and most stick packs are 6 cells so 7.2v total. Lipo cells are 3.7v each so a 1S is 3.7 and a 2S is 7.4v etc.
A 2S Lipo stick (or saddle for that matter) will work fine on a system designed for nimh sticks. The biggest watch-out will be your ESC will not have a low voltage cut off at 3.0v (per cell) so either run much shorter that you can or get a Lipo shield or similar like these (http://www.modelsport.co.uk/lipo-cut-off-modules/rc-car-categories/9920/992060&MSAttributeID[43]=1118).
mattr
27-09-2012, 06:30 AM
Pretty sure some of the old non-race class cars used to come with 8.4V (7 cell) batteries on brushed motors........
dodgydiy
27-09-2012, 07:29 AM
speedo will be fine, brushes wear down quicker and comm needs skimming sooner but power output is awesome!! just fit a voltage cutoff device or alarm to protect your lipo's from being over discharged, personally i have a very simple home made device which illuminates a high output led if voltage drops below 6 volts
franki
27-09-2012, 08:40 AM
Thanks ill give it a go
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