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    New Gal Here!

    I'm new to ebikes and have been a lurker here for a short time. I have an Electra Townie with a step-through frame, that I'm looking forward to converting with the Bafang BBSHD (can't have too much power!). Still working on finding the right battery as I don't want to mount it on a rear rack. I'm fairly mechanically inclined and have searched every Townie conversion and other threads. Great info here!

    #2
    Welcome and much luck.
    68mm bottom bracket, straight downtube allows the motor to swing up out of the way, 2 3/4 inches clearance, 3p battery wedged in “triangle”, simple and

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      #3
      Thanks Max Volt! I have read about XCnick's build which inspired me...just waiting for parts to get back in stock at Luna.

      Comment


      • max_volt
        max_volt commented
        Editing a comment
        Good luck with that too ;-)

      • xcnick
        xcnick commented
        Editing a comment
        I have always wanted to try the EGO power tool battery. I think it is 2p of 30Q or some high drain cell. The snowblower goes for $800 and comes with two batteries and charger. Two mighty minis and charger are $700. I think the snow blower runs two batteries in parallel so it would drive a Ludi.

      • Lakejumper
        Lakejumper commented
        Editing a comment
        Yep, Luna seems to be out of everything that I need. Haven't heard back on ETA. I'll post a picture of the bike soon.

      #4
      Welcome. Pic of Townie?

      Comment


        #5
        Welcome, Lakejumper. Having to wait for parts is annoying but normal. I have never built an ebike in less than four months.

        Comment


          #6
          I was able to order the motor kit today but the battery(ies) aren't available. I do have a picture of the bike I am converting. Will I need to order battery cables and connectors? I plan on mounting the battery on the underside of the downtube when I get one.
          Townie

          Comment


            #7
            What a relief to get a picture, social media can leave one in the dark. I hate to admit being so vain, but looks matter. Electra's radical styling can be divisive. What did you think I meant?

            300dpi is not acceptable bike porn. I feel like I am under the covers with the Sears catalog. Flaming the newbie already.

            The front shock is key, you have a great start. Is this white, cream or tan? The new ones are so ugly. Whenever I walk by them at REI I get that little throw up taste in my mouth.

            This is where you ask a newbie question like: "will it get me to work and back?" and we get you to phrase it as miles, elevation gain, etc. Erik lives right near you and has probably ridden everything. However you are lucky enough to live near many good people to help you so we are being cheated out of this process.

            Can you share the Townie's mission? What is the budget? Hopes and dreams?

            Random tip: buy more zip ties than you think you need
            Click image for larger version

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            • Lakejumper
              Lakejumper commented
              Editing a comment
              The color is white with black accents. Cute, huh? The picture was in better focus when I took it using my iPhone. But for some reason, when I emailed it to myself and opened it on my iPad, it was blurry. Funny, you mention zip ties...I just went to Harbor Freight yesterday and picked up a bunch. Luckily, I don't have to go to work anymore so the bike will used for running errands, recreation use like riding in parks, paved trails and so on.

            • xcnick
              xcnick commented
              Editing a comment
              The cutest. Have you seen the fenders called flowers. Not the color ones, but just black and white. They did a cruiser and called it a le fancy something. I found one used and that was the only place to get the matching chain guard. The matching bell and something else and I was all set to show it to Francesca. Then she hit me with the bomb shell. Her bike is a boy. She wants chrome.

              Your mission sounds like the 7 speed with a 42 tooth chainring will work fine. I just put hers back that way. The big jump between first and second is perfect when poking around bike paths in PAS and it will still go 35 mph in high.

              We are running 140mm cranks. That is crazy short. Think about it.

            #8
            Originally posted by Lakejumper View Post
            I was able to order the motor kit today but the battery(ies) aren't available. I do have a picture of the bike I am converting. Will I need to order battery cables and connectors? I plan on mounting the battery on the underside of the downtube when I get one.
            Townie
            When you receive your motor kit, you will see what electrical connectors are on there. It is a straightforward matter to buy the corresponding connectors and solder or crimp them on to the battery side. As I understand it, you live in my city. I can help you on a Sunday. I have all the soldering goodies, including multiconductor cables https://www.digikey.com/product-deta...4-5-ND/6245012. I can teach you and your partner how to solder if you don't already know how.

            I have to change (mate) connectors for a system that I am building now. It is a matter of determining what connectors one needs, buying the connectors on Digi-Key or Mouser, and then making the harness which involves soldering and applying heat shrink tubing. I prefer to solder rather than crimp, and I look for precrimped connectors. Precrimped connectors are very reliable! This is a really good link here: https://www.allelectronics.com/item/...w/leads/1.html.
            Last edited by commuter ebikes; 08-19-2018, 04:57 PM.

            Comment


            • xcnick
              xcnick commented
              Editing a comment
              Finally soldered up some connectors. HF pencil gun worked even though big wires. I didn't smoke anything, in the controller or battery. Sometimes if using an iron that is not hot enough the heat goes down the wire to something in the controller or battery that doesn't like being hot and bad things happen.

              If new to this get helping hands, two alligator clips on a stand to hold the wire. (HF) Flux is often overlooked so don't forget that.

              I feel like an idiot waiting so long, but it is a testimony to the engineers who put the BBSHD kit together and Luna that I could get up and running so easily.

              Connectors became an issue because I installed a Ludicrous controller this morning. Since your Townie is for pleasure I will share some numbers. Most of the time I wonder if there is any difference in controllers. Going up a steady hill with stock controller was 20.6 mph in a 1.3 gear. With Ludi it was 30 mph in a 3.7 gear. Look forward to the build report.

            • commuter ebikes
              commuter ebikes commented
              Editing a comment
              I always use flux, too. I also use tip tinner https://www.mscdirect.com/browse/tnp...xoCn1MQAvD_BwE.

            #9
            Thanks for the soldering info, offer of assistance and links. I actually own a cheap soldering iron but have not mastered the techniques. I'm in Santa Rosa.

            Comment


            • commuter ebikes
              commuter ebikes commented
              Editing a comment
              I use the Anderson SB75s https://powerwerx.com/anderson-power...nnectors-75amp and SB50s https://powerwerx.com/anderson-sb-connectors-sb50-50amp and they have never failed me in thousands of miles.

            • Lakejumper
              Lakejumper commented
              Editing a comment
              I'm finding it difficult to pull apart the XT90s (fingers can't get strong grip and they are a very tight fit) connectors as I have to disconnect the battery each time I secure the bike to the car rack or when I'm charging it.. My finger grip isn't strong enough and I don't want to pull the wires out of the plug by mistake. I am thinking of changing them out for the Andersen Pole connectors. Any other suggestions?

            • commuter ebikes
              commuter ebikes commented
              Editing a comment
              I have Andersons, and I find them easy to disconnect.

            #10
            Thank you everyone for your help and great ideas. Good news...the motor kit will arrive on Friday. Now, I need to get a bike stand, bottom bracket and crank puller tools to get the motor mounted to see if I need cable extensions. I did order the Luna Bafang socket. I have mini ape hanger handlebars. Still working on a battery solution but know that I can always go with a rear rack mount if needed.

            Commuter ebike - I have ordered pre-made connecting wires and Anderson connectors from Powerwerx before. I used them for a portable solar hookup for my RV. They're a great company to work with.
            Last edited by Lakejumper; 08-22-2018, 07:32 AM.

            Comment


            • xcnick
              xcnick commented
              Editing a comment
              I have yet to buy a bike stand because we have some advantages a pedal bike doesn't have. I can adjust derailleurs by just leaning the bike over on the kick stand, lifting the rear wheel. Then with the throttle one can run through all the gears. Installing the HD with the bike upside down works better than a on a stand.

              I thought you were going to have someone else put the HD on. I am so proud of you. Luna's stupid tool kit is actually very handy and at forty bucks a great deal. Although it has cassette tools, you have a freewheel I think it is called. The tool to take that off isn't in there. The chain breaker is crap, but everything else has worked for me and I couldn't live without the little kit. I would like to think it would arrive by Friday.

              https://lunacycle.com/luna-cycle-ebike-tool-kit/

            • xcnick
              xcnick commented
              Editing a comment
              The kit can take off the pedals, square taper cranks, yours, many bottom brackets including yours, cassettes, and more. The little allen set is just the right size to keep with the bike. I don't remember needing extension wires even though a Townie is so long it takes two chains to build her.

            #11
            Originally posted by Lakejumper View Post
            Thank you everyone for your help and great ideas. Good news...the motor kit will arrive on Friday. Now, I need to get a bike stand, bottom bracket and crank puller tools to get the motor mounted to see if I need cable extensions. I did order the Luna Bafang socket. I have mini ape hanger handlebars. Still working on a battery solution but know that I can always go with a rear rack mount if needed.

            Commuter ebike - I have ordered pre-made connecting wires and Anderson connectors from Powerwerx before. I used them for a portable solar hookup for my RV. They're a great company to work with.
            You will love having a stand. I can't believe I worked for a few years with no repair stand. My back hurts just thinking about it.

            Comment


            • xcnick
              xcnick commented
              Editing a comment
              How much does that monstrosity of yours weigh? Is your stand made by BendPak?

              I am holding on to the dream that the average guy and gal can flip the bike upside down in living room and have it done before the news comes on. We need a picture of your workshop, bike cave. Would my local LBS be jealous?

              Erik is one of the few I have met and ridden with and we could not be more different so our advice will confuse you. I don't even look at the price of something until it has proven to work. I am willing to spend whatever. Erik does things correctly and economically. Fair warning: he has spent more me!

            • commuter ebikes
              commuter ebikes commented
              Editing a comment
              My bike weighs 95 pounds. My bike stand is a PRS-33 https://www.parktool.com/product/pow...p-stand-prs-33. I will upload a picture of the shop this weekend. I want to take the picture in daylight. I don't consider myself economical, but thanks for thinking that.

            #12
            The bike is 35 lbs before converting. I can lift it up onto a rack now. Now flipping it upside down is another story! I bought the portable Songmics Stand with 88 lb capacity and fairly good reviews. If it isn’t up to the job, it will go on Craigslist when I’m done with it. After the bike is built, it will be heavy to lift. Then I may flip it upside down on the floor like I used to do! Ha!

            Comment


            • Lakejumper
              Lakejumper commented
              Editing a comment
              Update: The Songmics bike stand is okay except where it rotates the angle of the bike once it's mounted on the stand. They used a plastic gear that doesn't appear that it can be tightened. I found that the gear may slip if too much weight is on it.

            #13
            How was Friday? Did you peer out the window blinds looking for the man in brown? Is the HD on? Pics?

            Comment


            • Lakejumper
              Lakejumper commented
              Editing a comment
              The big box arrived on Friday but,to my disappointment, it was missing the Universal Thumb Throttle. I sent an email to Luna support, called them, etc. Yesterday, I had to take pictures of the packing slip and everything that was in the box to verify to Luna that it was missing. They told me this morning that they will send it out. I sure hope that I'm not missing any screws (not the ones in my head! Ha!). One of the bags of screws is torn open and I hope it's complete as I don't want to jump through the same hoops again. The repair stand arrived yesterday and I just put it together. I ended up getting the Venezo brand tool kit from Amazon and it looks like decent quality. I'm off to the dentist for some fun and will get to it this afternoon! Thanks for checking in.

            #14
            Well the hardest physical part is done! I removed the crank and bottom bracket. The tool kit was helpful, especially the large Allen wrenches and bottom bracket tool. Good thing I had a 1/2" ratchet and breaker bars. I wasn't sure if I had enough strength to break the seal but it worked. Now, I need to remove the front derailleur which the chan runs through. The chain holder on the derailleuris riveted. I'm tempted to just break it apart to remove the chain, rather than take the master link off of the chain. Do you guys just snip the front derailleur cable and pull it through the frame to remove it? Last question, should I install the motor first or the throttle, display and new brake sensor levers first?

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              #15
              Here are a couple of pics.

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