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  1. Freddyflatfoot

    Ping battery Problem?

    Ok, first things first. I think I have been away from this forum for waaayy too long! Got into recumbents, and have been having a blast doing long distance Audax rides on a lightweight two wheel low racer. So, my electric trike has had precious little use, and in fact has been in storage for...
  2. Freddyflatfoot

    Ping Reports?

    I have had my Ping battery, 36v/10AHr, since Feb. I am using a Bafang rear hub motor, and the std controller, 14.8A. I had one minor issue early in the piece, when my BMS died. Ping replaced that at no cost. Kudos to Ping! Apart from that, I have had no issues using this battery on an almost...
  3. Freddyflatfoot

    Cyclone Current Draw?

    Hi, Posting on behalf of a mate. He has a Cyclone motor (unknown wattage), with a 24v/10AHr LiFePo4 battery. He is telling me that the battery goes flat fairly quickly, and without warning. He says that he can have all the lights on his throttle, and then it will just go 'dead'. (He is hitting...
  4. Freddyflatfoot

    Bafang throttle LED issue.

    I have just started having an issue with my throttle LEDs, and wondering if I should be concerned about a more serious problem, or whether I just have a faulty LED. My system is a stock bafang, stock 36v controller, and twist thottle with 3 LEDs, and a 36v/10AHr Ping pack. Here is what is...
  5. Freddyflatfoot

    LiFePo4 - reduced cold weather performance?

    I have a duct tape 36v/10Ahr battery that I use on a daily basis. I'm not using a Watts Up, as I don't have anywhere to mount it on my trike, so not sure what the pack is actually doing. However, I do have a throttle that has 3 LED's. In recent days, I have noticed that the green light goes out...
  6. Freddyflatfoot

    LiFePo4 car battery

    This may be a little OT, but I though I'd post anyway, and see what others out there think as well. I was thinking about using a LiFePo4 pack for my car battery, and did a little research. This is what I found from Cyclone, http://www.cyclone-tw.com/12LFC.htm dunno about the 30% fuel saving, but...
  7. Freddyflatfoot

    LiPo and LiFePo4

    Ok, I just saw a vid of a LiPo fire, from overcharging. The vid was posted by a guy on another forum, in answer to LiFePo4 batteries being unstable. I think he is mistaken, but so that i don't look the uninformed one, is he wrong? Can LiFePo4 explode and burn? Or is he confusing the two...
  8. Freddyflatfoot

    13 gauge Spokes

    Guys, I need to re-spoke my wheel with 13 gauge spokes. Does anyone know of a supplier of these spokes? Can't seem to find a supplier in Oz who can supply custom lengths, as most bike shops are only setup for 14g spokes. I see most hub motors are spoked with 13g spokes, so someone must have...
  9. Freddyflatfoot

    Volts versus Amps

    I came across a thread last night, and somewhere there was some discussion on the My1018 motor, and the power outputs that you can get from this little motor. Ok, so (crudely speaking), power out is a linear relationship between volts, amps and efficiency. (volts x amps x % eff = power) So if...
  10. Freddyflatfoot

    Sram Sparc Geared Hub Motor

    Hi. After researching some different SRAM products, I came across this interesting looking geared hub motor from SRAM. The reason I say it is interesting, is that it combines a hub motor, and an 5 speed internal geared hub. Not sure of the performance aspect of the motor, but wouldn't expect too...
  11. Freddyflatfoot

    Hill climbing

    Just thought I'd throw this one in. Probably beaten to death in amongst different topics, but here goes anyway. Made up an inclinometer, and attached it to my car to see what the gradients were on some of the local hills. I deliberately tried it on some of the steepest hills in our...
  12. Freddyflatfoot

    Meeting for Victorian E-bikers in Melbourne.

    Ok gents! Lets get together with our e-bikes somewhere in Melbourne for a get together and BBQ! If we can do it before Christmas , that would be even better. Lets not just talk about this, but actually do it! Would be cool to see everyone's e-bikes in the flesh and share ideas! C'mon guys! Any...
  13. Freddyflatfoot

    Micro Diesel Generator

    The thread on fuel cells reminded me of something I saw a while back. Its a small micro generator, using what looks like an RC model diesel engine, coupled to a small gennie. The output is something like 700 watts at 24 volts. Could be a good option for a backup up power unit! Should even be...
  14. Freddyflatfoot

    Feddyflatfoot's homemade trike

    Ok, wasn't going to start posting on this one quite yet. But I have been busy building a recumbent trike out of some old bikes, and square tube steel. Trike is 26" rear, 20" BMX wheels on front. 21 speed friction gears, and caliper brakes. Weighs about 22 Kg. Hardly earth shattering specs, but...
  15. Freddyflatfoot

    Effect on changing my controller

    Hi. looking for some tech advice on the pros and cons of upgrading my controller. My current setup, Oatley/United motor, 250 watt, 24 volt, and 15 amp controller. I was looking at the performance charts on the motor, and noticed that its capable of 400 watt max output at about 24 amps. This...
  16. Freddyflatfoot

    BB drive gearing

    I'm just wondering if anyone has any ideas on how to optimise the BB gearing on a bike. I'm currently using a United/Oatley type motor. It has a 16t freewheel, to a 42t chainwheel. The main chainwheel is a 40t, driving a 11-32 p speed rear cluster. the reason I am making this post, is that from...
  17. Freddyflatfoot

    nano rpm, which wheel?

    I see there are two rpm specs for this motor, 190 rpm, and 260 rpm. I was quoted the 190 rpm motor for a 700C wheel, but too slow at 25 kph. Has anyone any experience in running the 260 rpm motor in a 26" or 700C wheel? Really want the speed at 30 k+, or would the torque level be too low for...
  18. Freddyflatfoot

    Carbon Fibre

    Couldn't seem to find any threads on this, so I thought I'd start one! First, I'll describe the project, and then I'll welcome some meaningful discussion! I want to build a light, nimble e-bike, Looking at a small, lightweight front hub motor, similar to, a Nano, with a LiFePo batt pack. My...
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