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Showing results for tags 'NiMH'.
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EvilEnderman posted a topic in LEGO Technic, Mindstorms, Model Team and Scale ModelingHi guys, I admitted defeat on TC10 since my chassis won't allow me to connect any real bodywork to it (I know I give up too easy), so instead I decided that I wanted to try and reverse engineer gsia16's citroen saxo rally car! However, with the regular 9v non rechargeable battery pack, the motor will go for a short amount of time and then just slow down or stop completely, inching forward a millimeter at a time and straining the battery. I wanted to ask if this is the fault of the battery box not giving enough power, or the motor just being "old" (it's part of the 8287 set) I've searched around but can't find an answer (perhaps im not using the right search terms or something) anyways, if it is the battery, could I use a 7.2v NiMH from a RC car? (for example one of these) if so, that could provide a lot more power to it (more than the 9v lego pack could) and make for an interesting ride, provided it won't fry the receiver (that's my other worry about it) What do you guys think? would the buggy motor get a new lease of life, and would it still be able to power an M motor for steering? Thanks, -ender
Hi, hope it's ok to start a new topic about this but I searched a didn't find a suitable, current thread related solely to trains. The best PF battery threads are several years old now and are mostly geared toward Technic. I'm mulling over whether to get the 8878 Rechargeable Battery Box (US$ 50) or use the 88000 Battery Box (US$ 13 and included in many sets) and then use rechargeable batteries in that. I have a young child so I don't want to use LiPo rechargeables in 88000 (because of possible safety issues) but from what I've read, Lego has protection circuitry built into their 8878 LiPo Rechargeable Battery Box. If I go with the 88000 then those 3rd generation Eneloop NiMH rechargeables seem to be the way to go. I don't really mind swapping out batteries but they only deliver 7.2v. Apparently Lego claims that their 8878 Rechargeable Battery Box delivers 7.4v so that seems to be a selling point but is it noticeable in any way? What are your thoughts on this? What do you use for your PF trains? Do you use both 8878 and 88000 with NiMH rechargeables and do you notice any performance differences between the two? Personally I'm not planning on having any monster-long trains or hills but who knows what the future has in store? Ok, thanks in advance, Joe