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#1
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Looking to start, advice please.
I have just bought a Schumacher Cougar SV kit with a view to having a go at racing and would like to come along sometime in the next few weeks to have a go.
I was wondering if anyone could give me any advice on motors, ESCs and batteries? I have built a few cars before and have a Team Orion 17x3 modified motor and an ESC which I could put in it, but would it be fast enough? I have done quite a lot of reading about brushless motors and LiPo batteries and I understand what all the numbers mean but, before I go and spend a small fortune, what would I actually NEED to be competitive? |
#2
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Your 17x3 will probably be ideal for your first few meetings, everyone needs a little time to get used to driving after a break
You could be competitive with a brushed setup and cells, BUT its much harder work than today's Lipo and brushless. Personally if buying a new motor and cells for 2wd, i'd look at an 8.5 from a reputable manufacturer, and two packs of reasonable Lipo's (two should do for a meeting, but if your feeling rich you could get more to give you less stress about recharging)
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#3
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Don't worry about not being fast enough, the kit you have will be great, I run a cougar sv with speed passion 10.5 and have to back it off, I'm in my forst season after a 20yr break and all the kit now is stupid fast I'd even considered asking it out and putting in a 20t Saturn and esc till I get my control ack up to scratch
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#4
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Thanks for the replies. The car is built now and I've taken it out for it's first drive. I'll keep my 17t motor in it for now, but I need some new batteries as mine are all fairly old 1400mAh NiCd ones which I doubt would last long enough for a race. Also, my charger says it will only charge up to 1400mAh, so it makes sense for me to upgrade to Lipo batteries and get a low voltage cut-off for the ESC until I can afford to go brushless.
Regarding batteries, does it really matter what C rating and mAh I go for (apart from making sure it will deliver enough current for the ESC and motor I choose)? |
#5
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if lipos are what you are after mb models are selling some for a realllllly good price the c rating is higher the better i believe and as for mah i use 4400 which is plents but more is aslways good
http://www.oople.com/forums/showthread.php?t=94830 mike is a really nice bloke so is ross who works there give them a call they are good for advice and wont sell you somthing you dont need |
#6
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While Shane's link may be a good deal, these Lipo's are really aimed at the top end of the racing market. There are others which would more than suffice if budget is a concern
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#7
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Don't worry about discharging the lipo too far unless you're running round in the street until it dumps, they last ages now! With your motor you could probably do a whole days racing and only have to top the battery up mid way through the day. Even with a few warmup laps at the start I typically only put about 1100-1200mAh back into my lipo after each race
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#8
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Thanks for everyone's help. I think the best thing to do is just to buy something about mid-range and come along and have a go and take it from there. It is likely to be the end of the month or maybe after easter when I get chance to come, but I hope to see you all fairly soon.
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