This is a lame newbie question, but I'm completely confused about soldering stuff. I need to solder an XT60 connector to a charger..what soldering kit should I buy?
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Thanks to Seb for this list of what would probably be considered a pretty good starter pack of parts needed for soldering
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Were you thinking of tin whiskers that can grow and short out satellites. This only happens with low lead content solder.
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Soldering is relaxing and fun. I use tip tinner AND lightly tin the tip with solder before every single solder joint. I use 60/40 rosin core solder (60% tin, 40% lead) so I don't add additional flux. I always have two wet sponges and two golden curls handy.
I also keep a HUGE collection of colored heat shrink tubing in various sizes, with an additional assortment of black triple heat shrink tubing with adhesive in many sizes. I use a third hand with a large illuminated magnifying glass AND 3X eyeglasses for extreme magnification.
Finally, I always use precrimped connectors like this https://www.allelectronics.com/item/...w/leads/1.htmlLast edited by commuter ebikes; 05-04-2018, 09:05 PM.
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Hi,
I've decided to build another bbshd mtn bike. My questions are about battery & connectors. Now I have dolphin packs with xt60 barrel connector for charging from luna 52v charger. I'm wanting to get wolf 52v battery with new kit. Do those magnets stick well to cromoly frames? What connector should be specified with the wolfpack? Also, I'm thinking of replacing an old dolphin pack with a TRIANGLE 52v Panasonic GA 18650 24ah Pack. Which connector is needed to charge? Does this connect directly to bbshd? thanks
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Thanks for clarifying, highvoltage. I believe the luna bbshd kit I installed came with xt90 controller connector and that if I order another kit it will also have xt90. Does the TRIANGLE 52v Panasonic GA 18650 24ah Pack also use xt60 for charging? thanks
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You asked about the magnets on cromoly frames. They don't stick to the frame, there's round hard-rubber donuts that go between frame and magnet, then flush-mount bolts screw the magnets into the water bottle braze-ons. The battery sticks very well to the magnets, yet is pretty easy to pull off the bike by tipping it sideways.
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Yes it does use XT60 for charging.
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I ran my new Wolf Pack all the way down (it's on its 4th cycle, this was a bad unplanned idea), now the mini charger is clicking when I try to charge it. Did I kill it?
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Did you recieve an small XT60 to XT60 adaptor in a baggy labeled "Cycling Adaptor Fix" ? If not, email support@lunacycle.com with your order # and pictures of the charger for reference and they'll be able to help you out :)
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Originally posted by rezdog View PostHi,
I've decided to build another bbshd mtn bike. My questions are about battery & connectors. Now I have dolphin packs with xt60 barrel connector for charging from luna 52v charger. I'm wanting to get wolf 52v battery with new kit. Do those magnets stick well to cromoly frames? What connector should be specified with the wolfpack? Also, I'm thinking of replacing an old dolphin pack with a TRIANGLE 52v Panasonic GA 18650 24ah Pack. Which connector is needed to charge? Does this connect directly to bbshd? thanks
The charge lead is an XT60 female. Buy the triangle first. The performance is so outstanding you may not want the wolf. It has 7 cells in the parallel groups so the voltage sag is minimal in high demand situations.
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I have the 750c display with the BBSHD, 52V shark battery.
1) It looks like if I have the charge remaining scale set to %, the reading is not accurate. It just remains at 100%. I find I do get an accurate reading when it's set to volts. Is this a known issue?
2) When riding, the volt reading on the display varies with how much assist I'm getting. When I stop, it stabilizes. Knowing that I'm trying to avoid draining the battery below 10%, do I need to worry if while riding, it sometimes gets below 44 volts (~10% remaining on a 52-volt battery) such as when climbing hills, or does just the stabilized, while not moving, reading really matter in this case?
Thanks!
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1) If the bike was installed with a 52v battery and a BBSxx Mid-Drive then we would recommend adjusting the battery readout on the display settings to show a “voltage readout” and to simply ignore the percentage bar on the top right corner. The percentage bar is actually very inaccurate and was mainly designed by Bafang with 48v batteries in mind.
It also won’t tell you anything important, like how close you are to approaching the auto-shutoff mode or how much “voltage sag” you’re pulling from the battery. Without knowing your voltage sag, you could be dangerously close to hitting the auto-shutoff mode (43v) and not even know it.
2) This is called Voltage Sag
Voltage sag is what happens when a battery is being used and actively drained of it’s capacity and will vary depending on the type of the battery, size of battery and condition of battery and how much power the motor is trying to pull from the battery.
For example. If you have a 52v Shark Pack with a voltage of, say...51v while in a resting position and you hit the throttle to accelerate, you would see the voltage “sag” or “drop” to about 47-48v until you let go of the throttle again, where it will raise back up to slightly less than before. If you are using a high power controller such as Ludicrous this will pull more current and the sag will be greater than it would otherwise be. If you are not downshifting on hills this will also pull more current than it would otherwise and would also cause greater sag.
So let’s say if you’re near 46v or 47v of capacity, well that means you’re pretty much dangerously close to hitting the auto-shut off mode because if voltage sags by about 3v - 4v while climbing a hill, you’ll just randomly cut-out with no explanation or warning. Once you hit about 47v, you should consider yourself low on battery and start “limping” home using minimal power with as much assist as possible to save yourself any juice for an emergency, or to keep the batteries condition at peak performance since discharging them near the cut-off also reduces the their total lifespan quicker.Last edited by HIGHVOLTAGE; 05-03-2018, 01:07 PM.
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Wonderful explanation! Thanks! I just got a mini-charger to juice up at work so I don't have to worry about getting too close to the auto-shut-off mode on the way home.
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I recently had my controller swapped out for a new one, but now the 3 way power switch (https://lunacycle.com/3-speed-adjust...ruise-control/) settings are off. when it's set to low, it's actually on medium, when set to mefium it's actually on high, and setting to to high, leaves it on high. There's no low setting, where I mostly keep it.
Any ideas on how to fix it?
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It sounds to me as if you've gotten the wires crossed up at the connection between the three-speed switch and the controller.
Originally posted by texxs View PostWell, ya, I figured that. I guess I was hoping more for an existing diagram of how those wires are supposed to be so I don't just randomly disconnect and reconnect.
But thanks
Yeah--sorry about that.
If you go to the Knowledge Base section, you'll be able to find the Cyclone wiring diagram. The colors won't match what you've got, but it does show what positions will connect which wires, and for which functions--and that's enough info for you to figure it out (besides--it's only three wires--there's only so many ways it'll go).
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Last edited by tklop; 05-03-2018, 07:34 AM.
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I bought the 52v Mighty Mini (Samsung 30Q) and the Luna Mini 52V/3A charger. There's one accessory that I'm unsure of and don't see mentioned on the website listings or in any of the included documentation. It's an XT60 passthru with a sizable barrel in the middle. Is it some sort of noise reducer? A 5V UBEC? I saw nothing like it when searching the web store for XT60 accessories.1 PhotoLast edited by Mike Farrington; 05-03-2018, 05:18 AM.
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Hi guys,
I posted a question here : https://electricbike.com/forum/forum...3652-city-bike
I want to try my luck here aswell if anyone could give a hint .
Thanks,
Pompote
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It will be close but such is the nature of DIY kits. I would have a back-up frame planned just in-case. Again this is just not something I am comfortable confirming without actually trying to first since you can't really tell based off photos alone.
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HIGHVOLTAGE I made a cardboard model and I think the bottom position gives enough ground clearance (pics: https://electricbike.com/forum/forum...3765#post63765 )
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