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  1. chopper_elec

    New Gitane Bike Project

    Hey all, Well I have got the chopper going and its time i'm looking for something that will draw a bit less attention (and may be a bit neater this time round lmao) and maybe not sealed lead anchor powered. The plan is to look at getting a 500w to 1000w rear wheel kit for it and run a 36v pack...
  2. chopper_elec

    Charging SLA 48v pack - 2 chargers at diff rates

    Hey all, I'm still enjoying the thrills of ebiking and I Realised I have 2 chargers for the SLA 48v pack, One of which is a 130w unit (1.8 amp charge rate) where the other has 200w (3 amp charge) Is there anything bad about charging the 48v 12ah packs at 3 amp? Both of them are SLA 48v chargers.
  3. chopper_elec

    Long Range EBikes - Can it be done

    Hey all, I've been over the moon lately after my first "ebike" experience and I am wanting to eventually put a lot more effort and money into this interest/hobby. I am using anchor boats at the moment and I am planning long term to go on some long distances rides, around 100km including the...
  4. chopper_elec

    3 months of Road Bike Work my story

    Hey all, I decided to try get fit and took on cycling. I went up in a big way, got a decent road bike, got lycra gear, entered in a few charity events and got a decent helmet too. I have been trying to cycle where I can to work, but in the back of my mind something has always held me back...
  5. chopper_elec

    Using RC Pack Nimh for pack instead of SLA

    Hey all, I have come across a set of 10x 3000mah rc battery packs that I was quite familiar with as I used to do rc car racing. The packs come as 6 cells, each 1.2v. For their weight I think they are much lighter for power output then sla batteries. All up I would have the equilant of 72v at...
  6. chopper_elec

    A Battery Muffler, intrigued? Read on :)

    Hey all, As you all know I still haven't got my electric chopper bike going yet, but I seem to love changing and exploring new ideas. I am still working out the nitty gritty stuff but I was thinking about making a muffler for my chopper, and fitting the batteries inside. To get them in there I...
  7. chopper_elec

    How much force could a set of front forks take?

    Hey all, I've done 310+ posts on the forum and I still haven't got my chopper project up and running due to a few financial/change of mind decisions. I am really hoping to get this front hub kit going at least, but in the back of my mind i'm still worried about the torque of the 48v 500w motor...
  8. chopper_elec

    Understanding frame dents?

    Hey all, I have noticed a dent in the frame of the chopper bike that i've had this whole time. The position of the dent is just at the bottom of the headset, but it is slightly angled to the left hand side more than the right. I'm wondering if the position of the dent has been from the frame...
  9. chopper_elec

    Sources for cheap SLA Batteries?

    Hey all, I really want to fire up my project again and find that sla will be the only way at the moment due to finances. As much as i'd like to hang on and get lifepo4, it would be more appropriate to get one my bikes going and go from there (still haven't got an electric bike going yet) I've...
  10. chopper_elec

    The New Chopper Project

    Hey all, I ended up getting another Swhinn Chopper, I just couldn't resist haha. I'll end up selling my other one and fix this up: Going tonight to go pick it up. I'll strip off the stickers and try to make it as clean as possible. I am still in the market for a rear hub motor that would match...
  11. chopper_elec

    Converting a Fixie bike to Electric?

    Hey all, I've got a new bike at the moment and i've been considering converting it to electric. The back wheel does run a FLIPFLOP design which would allow me to use a free wheel and a fixed cassette which would be perfect for a non hub style motor. my only issue is that I didn't want to make...
  12. chopper_elec

    Running 48v Hub Motor on 24v?

    Hey All, I'm not quite happy with the battery choice at the moment and was wondering what options I could have in running a 48v 500w hub motor on 24v? Would it be necessary to just get another controller or is the hub itself quite specific in its voltage requirements? The kit is from Conhis
  13. chopper_elec

    Strength of Radial Spokes in 20" wheel

    Hey all, I have my kit arriving any day now to suit a 20" x4.25" wheel and I noticed it was radial spoked, is there any concerns/comments regarding this design that anyone may want to suggest? Since the wheel is so small, is there still a good chance to have some decent strength in it? If I...
  14. chopper_elec

    Kestrel KM40 Triathlon Road Bike - Non E-bike warning

    Hey all, I'm still working on my e-chopper at the moment and thought I could share my latest ride. This is my fitness bike so I will be using it for the general commute. I am considering installing a push trailer setup to be as least intrusive as possible. It only weighs 8kg, full carbon...
  15. chopper_elec

    modifying a 7 speed freewheel to work as a single speed

    Hey everyone, I was just wondering if a 7 gear freewheel can be modified so that there is only one gear (the smallest one) I was wondering how each gear in a freewheel assembly is kept in place or removed from the other gears
  16. chopper_elec

    Justifiable increase from 48v 500w to 750w?

    Hey all, I am just making my order today and just wanted to check one last thing with you. I am getting a 48v 500w kit for my chopper bicycle and have the opportunity to go upto a 48v gearless 750w. I am using a 48v 16ah lifepo4 battery and on most recommendations its not recommended to go...
  17. chopper_elec

    Great grip tyres for front wheel 24"

    Hey all I was wondering if anyone knows of any good quality tyres for the front of my chopper bicycle which uses a 24" tyre?
  18. chopper_elec

    Gadgets on your eBike that you couldn't live without

    Hey all, I'm sure we all love our create comforts, was there any gadgets that you have added to your ebike that you couldn't be without (or could recommend to others). For me it would have to be my Phone Holder and Bluetooth Headphones which are both used for GPS navigation, music and also...
  19. chopper_elec

    Solar Powered Phone Chargers for Long Distance Rides

    Hi All, I'm planning some "Free Power" concepts for my e-bike using some small solar power for the main reason to charge my mobile while i'm riding. I have a 48v to 12v convertor so I could always charge the phone from my bicycle battery but its much more fullfilling knowing that the...
  20. chopper_elec

    Dealing with Torque Arm and Diamond Shaped Fork Hole

    Hi all, I'm just working through my last part of the hub installation and was wondering if I could get some advice on mounting the other side of my torque arm: I was thinking of using a wide washer with a narrow hole on the other side and bolting it up in that way. I have actually mounted the...
  21. chopper_elec

    Planning a E-Bike Recumbent Trike project

    I've been hugely facinated with the styling and overall feel of a Recumbent Trike and was wondering if anyone can give me a few opinions on how they are to ride? I would likely build a pretty simple 250w 36v rear hub motor system for it, and it would be used for long distance. Would you know...
  22. chopper_elec

    Fendered up Chopper bicycle?

    I was wondering if anyone has seen any photos of a chopper style bicycle that has had some sort of fibreglass bodywork done on it similar to a road bike. With the long bars on the front there is heaps of space. I might get out some polystyrene and try some prototyping. I'd love to try it one...
  23. chopper_elec

    Has anyone had dropout/motor wire damage with torque arm?

    Hey all, I'm wondering if there are any other there that have suffered from dropout damage and motor wire damage even with using a torque arm? I'm curious to see how many members are actually using a torque arm.
  24. chopper_elec

    Choosing 48v 16ah Battery - Advice needed please :)

    Hey all, I'm working on my shwinn Stingray dragster style bicycle and wanted to get a battery for my 48v 500w front motor. I have the opportunity to buy this battery below but I am a bit worried about it being out of a case, as I do like having them in an aluminium case so they are protected...
  25. chopper_elec

    Feasible Idea: Bicycle Trailer full of SLA Backup Batteries

    Hey all. I've been converted to Lifepo4 before even trying out the 4x 12v 12ah SLA batteries that were just bought the other week for a Electric Shwinn Stingray Chopper style bike and i've got an order for a 48v 10ah Lifepo4 battery on the way from China. I was thinking I would keep the 4x 12...
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