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Old 09-02-2011
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Default Lipos advice

As I'm old school and just converting to brushless and lipos. Does anyone recommend lipos to use with a 9t 3650-m motor and a 35 a-sd speedo? Ive been looking on eBay but I don't want to buy the wrong stuff and blow my new gear up like I did with my old esc.
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Old 09-02-2011
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all you need is 2s lipo 7.4 volts
i would recomend some form of voltage cutt off device too

Mark
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Old 09-02-2011
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From what I've said I've got to push my little wheels around that big old buggy track. What I mean is what speed would you compare it to in brushed terms. I used to run an 11x3. Will it be anything like this?
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Old 09-02-2011
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4WD - >6.5t. This is faster and smoother than my old checkpoint 10x2.

2WD - >7.5. Anymore is just stupid!

Older/less expensive brushless motors are generally not as fast as newer/more expensive ones (I used to run an LRP x11 5.5 that was no faster than my current SP 6.5)
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Old 09-02-2011
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Quote:
Originally Posted by Col View Post
4WD - >6.5t. This is faster and smoother than my old checkpoint 10x2.

2WD - >7.5. Anymore is just stupid!

Older/less expensive brushless motors are generally not as fast as newer/more expensive ones (I used to run an LRP x11 5.5 that was no faster than my current SP 6.5)
5.5 4wd 6.5 2wd
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Old 09-02-2011
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i use 2wd 7.5 to 6.5 4wd 5.5 to 6.5 dependant on track
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Old 10-02-2011
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9 turn might be a bit hard on a 35a speedo in a buggy. if you are not worried about it being sensored or sensorless have a look at the 60A ezrun speed controllers. the ezrun 9 turn motor however is a finned 480 size motor and lacks a little bit of torque, a normal 10.5 geared right is better in my 2wd than the 9T was. much more than an 8.5 in a 2wd is silly unless you are a good driver, better be slightly smoother and make less mistakes than be the first to the end of the straight. in my 25 odd years of racing i have never become a good driver so the 10.5 is plenty for me, and all it lacks is a little kick out of the corners
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Old 11-02-2011
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Sounds like really good advice and my brushless kit I've ordered from hobbywing is an ezrun speedo and motor. I heard about them from a guy called Derek at Broxtowe and for the money look fantastic but I won't know exactly till I get mine but for £50.00 I get a 9t brushless motor, 35a speedo with fan and USB connection and a card programmer which I thought was pretty alright as I'm just setting up. I hope it all arrives before the 19th as I'm helping build the track for Sunday's racing. But if not I'll be on the look out for a speedo to power an 11x3 brushed motor as mine blew up at Broxtowe as I was trying to get too much power out of it. I ended up running my standard 17t motor and speedo. I actually did a lot better although it looked pathetic going over the table top
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Old 12-02-2011
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if all goes tits up I have an lrp quantum comp you can borrow for a couple of days, it will go down to 5 turns, Im not going to the meet at worksop but live in chesterfield so you could pick it up and fit your connectors (can put deans on this end)
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Old 12-02-2011
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Take it you've gotta work or couldn't get a secured place. I'm still surprised that I managed to get a slot secured. Thanks for the offer of the speedo, but Im ok got a back up. I'm just stripping my buggy today for a clean and oil check. I've got the dates for the Broxtowe meets if you want them to try and get on one. Out season starts in April take a look on you tube.
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Old 12-02-2011
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Salesman for Seat so weekends off are rare
But.. when I get one the missus wont mind me coming

Yes send me the details for Broxtowe and I am looking forward to outside racing, its where we should be
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