WHAT DOES $600 BUY?

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2old   10 kW

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WHAT DOES $600 BUY?

Post by 2old » Dec 07 2015 8:06pm

Read enough by wesnewell about YESCOM's 48V, 1000w kit that it seemed appropriate to try one. Finally got around to mounting it on a Tidal Force frame that was laying around doing nothing and coupled it with a Luna Cycle 52V, 10 ah battery. Assembly was easy with the only glitches revolving around mounting the battery since the frame's triangle wasn't adequate with the controller mounted there. Ended up strapping it on a front rack. Anyway, couldn't be happier with the conversion; speed must be close to 30 mph; 170 pound rider, flat road, no wind; 50 - 60 pound bike (no speedometer yet). So for $250 (kit) and $350 (battery), you can make a pretty nice conversion to an existing donor bike. My photographer is ill, but pictures when she recovers.

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tipsy13   1 mW

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Re: WHAT DOES $600 BUY?

Post by tipsy13 » Dec 09 2015 7:55am

Good on you. Tried any Hills? Rear motor?

2old   10 kW

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Re: WHAT DOES $600 BUY?

Post by 2old » Dec 13 2015 7:58pm

Rear and I've yet to try it on any steep hills, but it has enough pickup that I think it'll be good. Will get out to a local fairly steep hill in the next week and report on it.

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tipsy13   1 mW

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Re: WHAT DOES $600 BUY?

Post by tipsy13 » Mar 14 2016 4:33am

Any updates?

2old   10 kW

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Re: WHAT DOES $600 BUY?

Post by 2old » Mar 14 2016 11:04am

Local hill about half mile long (but I don't know grade; probably 400' elevation change, but that's a WAG); climbs well with no sign of overheating. Really happy with this system for a very reasonable price. Look at others who use it; maybe they have better data. It ascends anything around my burg.

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motomech   1 GW

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Re:46V/10Ah battery w/ charger for $200

Post by motomech » Mar 14 2016 12:35pm

I'm putting together the lowest possible cost useful battery pack possible for a friend with no money. This what I have come up so far; (prices include shipping)


http://www.hobbyking.com/hobbyking/stor ... _Pack.html
$130

http://www.hobbyking.com/hobbyking/stor ... duct=74030
$30


http://www.hobbyking.com/hobbyking/stor ... T_XH_.html
$3.50

http://www.hobbyking.com/hobbyking/stor ... allel.html

$3.00

http://www.ebay.com/itm/HP-Proliant-DL3 ... 86529369?h
$35

Obviously, the pack would have to be broken down for charging, a real pain. But he has more time than money.
Last edited by motomech on Mar 14 2016 8:12pm, edited 1 time in total.
Motomech

'03 Rocky Mountain Edge 2WD 260 Q100H frt and Ezee V1 rear 2 Elifebike 20A & 25A 9-FET controllers 12S/20Ah Multistar Lipo rear 5Ah Turnigy frt Luna Cyclops Extra lite Alex 24DM rims, Crazy Bobs run ghetto tubeless. 25 mph. Mean Well HLG-320H-54A
viewtopic.php?f=3&t=83430
'07 GT Idive 4 4.0, Q100C 201 14S LiPoly elifebike 9-FET 20A controller. 23 MPH.
viewtopic.php?f=3&t=49691&p=1378484#p1378484

terminus   100 mW

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Re: WHAT DOES $600 BUY?

Post by terminus » Mar 14 2016 4:55pm

I'm not real good at math but aren't those lipo packs 22V? How does that equal 46V when you build the pack? And is there a way to change the LVC on those cheapo motor kits so it doesn't cut off at 46v, or 44v, or whatever it is?

Jon NCal   1 kW

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Re: WHAT DOES $600 BUY?

Post by Jon NCal » Mar 14 2016 5:59pm

terminus wrote:I'm not real good at math but aren't those lipo packs 22V? How does that equal 46V when you build the pack? And is there a way to change the LVC on those cheapo motor kits so it doesn't cut off at 46v, or 44v, or whatever it is?
On lipos 50% capacity is about 3.85 volts per cell, 12S = 46.2V. Controller Low voltage cutoff is usually 42V; 42/12S = 3.5V per cell, which is correct for lipo.

Also see the Multistar 10000mah 6S are about $50 on sale now.

Hodie Doe   1 µW

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Re: WHAT DOES $600 BUY?

Post by Hodie Doe » Mar 14 2016 8:02pm

mybike.jpg
the build
mybike.jpg (140.92 KiB) Viewed 1174 times
As far as the yescom rear hub motor and hills i have 793 miles 40hrs 18mins average 19.73 MPH and the hills range from 4% grade 2 23% a few steeper but i do not run those routes often . 0n 4% to 10 it maintains 22 to 18 mph steeper hills the speed drops but most with minimal peddling you can maintain 15 to 20 MPH . Mine and the bikes weight is 320 Lbs battery is 48v 30ah bike is a reused currie CB 24V450 . Battery will carry me with little peddling on a full charge 64 miles . and with peddling i have not found out yet. Battery was purchased from Koyochen on ebay . Hub motor was purchased from JET with discount for 209 and battery was 600 the bike i purchased in 2006 at Walmart for 275 and hadn't used it since 2010 .
mybike.jpg
the build
mybike.jpg (140.92 KiB) Viewed 1174 times

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Zeusless   100 µW

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Re: WHAT DOES $600 BUY?

Post by Zeusless » Apr 07 2016 10:33am

Hodie Doe wrote:
mybike.jpg
As far as the yescom rear hub motor and hills i have 793 miles 40hrs 18mins average 19.73 MPH and the hills range from 4% grade 2 23% a few steeper but i do not run those routes often . 0n 4% to 10 it maintains 22 to 18 mph steeper hills the speed drops but most with minimal peddling you can maintain 15 to 20 MPH . Mine and the bikes weight is 320 Lbs battery is 48v 30ah bike is a reused currie CB 24V450 . Battery will carry me with little peddling on a full charge 64 miles . and with peddling i have not found out yet. Battery was purchased from Koyochen on ebay . Hub motor was purchased from JET with discount for 209 and battery was 600 the bike i purchased in 2006 at Walmart for 275 and hadn't used it since 2010 .
mybike.jpg
Do you notice any kind of stress / overheat from going up those hills?

Hodie Doe   1 µW

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Re: WHAT DOES $600 BUY?

Post by Hodie Doe » Apr 08 2016 10:11pm

one hill down from my house puts some stress on the motor and it gets warm but most hills it is cruising at 16 to 20 mph and stays pretty cool . now the temps when i have ridden have been between 55 to 78F so when the summer months come i will know if it gets hot or more stressed . have even ridden it in a strong storm that i got caught out in with no damage to any of the parts . also head winds will slow you down a few mph . have had no overheat problems though .

2old   10 kW

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Re: WHAT DOES $600 BUY?

Post by 2old » May 26 2017 8:11pm

18 month update and both the motor and battery (doing double-duty in a BBS02 conversion) are performing perfectly. Top speed (before I shut it down was 32 mph (gps system). Wish that I'd achieve wes' or mci's mileage, but doubt it.

2old   10 kW

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Re: WHAT DOES $600 BUY?

Post by 2old » Oct 26 2018 10:49am

Three years and system still functions well, although traffic in Orange County has minimized running errands (I moved to a more urban area sometime ago). Battery has been used for the same interval powering a BBS02 off road. Probably has 400+ charges and still functions adequately although I have no quantitative data.

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