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  1. Peterfr12

    MAC/BMC maximum continuous watts?

    Hi, I had an 8t Mac hub motor on my two former setups (58V battery, 30A from Em3ev): a diamond frame bike and then a recumbent with 26 inch wheel. It was in England so mild temperature. I used it to do a 25 miles one way commute, mostly flat with two hills and 7 miles in city with numerous...
  2. Peterfr12

    Durability geared motors (MAC / GMAC) vs. direct drive (9C, Crystalite...)

    Hi, The recumbent with the mac motor was ~35 kg and equipped with 26 inch back wheel and a 24 inch front wheel. The tyres were from Schwalbe marathon and did not have a good lifespan (dead after 3000 km) Battery 58V 27Ah. Everything was purchased from Em3ev. This bike was used to do a 40 km...
  3. Peterfr12

    Durability geared motors (MAC / GMAC) vs. direct drive (9C, Crystalite...)

    Hi Jil, bonjour (!) I had a 8t Mac hub motor on my two former setups (58V battery): a diamond frame bike and then a recumbent. The Mac was not very reliable. The Mac clutch failed after 6000 km. I changed it myself. Mac motor is good for 35 mph but get hot after 25 miles, close to 90 C. I...
  4. Peterfr12

    Fender options

    Hi Diddler, this is where i purchased my fender/mudguard for my bike. I purchased a 26 inch one for a 19 motorbike wheel. https://classic-cycle.com/fender-and-cover/fender-cover/fenders/?p=1 Cheers, Peterfr12
  5. Peterfr12

    Issue with the rear shock on my Recumbent - new setup

    Dear ebikers, Many thanks for your comments. I should have been more precise. I purchased a Nazca recumbent steel frame from Holland with the current rear shock adapted to my weight. I added a Mac motor and used it for ~10 000 km. There was no ‘bottoming out’ issue. it was a light setup, but...
  6. Peterfr12

    Issue with the rear shock on my Recumbent - new setup

    Dear ebikers, Many thanks for your fast answers. Indeed I thought it was dirt and mud but it was rust. I sprayed some WD40, wait for 50 minutes and then I could tight the big nut hitting gently a screwdriver with a hammer. Thumbs up. I have a mudguard but the mud is still going easily onto the...
  7. Peterfr12

    Issue with the rear shock on my Recumbent - new setup

    Dear ebikers, I finally finished my new setup a fully suspended Recumbent powered by a MXUS 3kW hub motor, a 12F nuculear controller and a 20s14p homemade battery (84V 49Ah). Both front and back wheel are motorbike wheel. I tested my new setup today and yesterday on a flat road for 24 km...
  8. Peterfr12

    Nazca Pioneer solar recumbent build

    K2orbust, You made great progress. Congratulation. I used a thickness of 3 mm for my aluminum sheet (made in UK). The box weights nearly 5 kg on its own. It is extremely robust and I really struggled to drill holes in it. I destroyed several 'cheap Chinese' drill bits. I cannot believe that...
  9. Peterfr12

    Nazca Pioneer solar recumbent build

    Hi Marka-ee Indeed once you have 1500W or more you don't need any derailleur! One gear is enough and it simplifies the handlebar. i dont understand why ebikers build bike with so many gears (with a 250W right but not for a 1500W model). I love peddling so I used initially a massive gearing...
  10. Peterfr12

    Nazca Pioneer solar recumbent build

    Hi k2orbust, instead of rebuilding the wheel, is it possible to add a large thick washer to shift the all cassette outside? I had a similar issue with the chain touching the rear 3 inch wide tyre. I am using a white industry freewheel - not a cassette - and shifted by 5 mm by inserting a £...
  11. Peterfr12

    Nazca Pioneer solar recumbent build

    Hi, The goal for the fearing is to give me protection against rain but also flying bugs. At 45 mph, if you hit a hornet or a wasp onto your leg it is painful. I found a company that sold transparent fairing made of Lexan in USA and other goodies. It is expensive between 300-700 US dollars if...
  12. Peterfr12

    Nazca Pioneer solar recumbent build

    I always have to peddle by law in UK or France to propel the bike otherwise it is illegal. If I used the peddles as a foot rest at 35 mph I guess I will have some issues with the police and car drivers will get annoyed. And I enjoy cycling as I was a keen cyclist for the last 30 years...
  13. Peterfr12

    Nazca Pioneer solar recumbent build

    Hi all, On the picture the rear wheel, you can notice that the wheel was not centred; I fixed it. I had to remove the thick rubber washer to accommodate the fender. Otherwise, there is not enough room to fit a fender. I think I swapped the screw with a flat head too to give more room. The issue...
  14. Peterfr12

    Nazca Pioneer solar recumbent build

    Since I have a Pioneer frame I can add some comments: You can see the picture of the Pioneer frame : there are two holes on the back of the swing arm to accommodate a V brake setup. Initially I was going to go for disk brake but there was not enough clearance for the calliper. I guess the...
  15. Peterfr12

    Nazca Pioneer solar recumbent build

    Hi, My 20s14p battery is assembled using NESE modules purchased here from a guy from Lithuania. i purchased the 18560 cell battery from a Polish man nickname 'Tumish'. the NESE modules are arranged to make a block and keep tight thanks to a 'fence' made of sticks of wood. the battery with the...
  16. Peterfr12

    Nazca Pioneer solar recumbent build

    Hi, For your battery I will go with option 4 the one I choose to hold my massive battery : 72V 50Ah! (20s14p) There is no interference with the fork. The battery is made of 5 aluminium panels soldered together. I did not want to solder a hinge so I decided to use a sliding technique for...
  17. Peterfr12

    Nazca Pioneer solar recumbent build

    Hi K2orbust, Thanks for your reply. Indeed, you are going to use a suspension fork! I checked the image of the Nazca Pionner but forget to read carefully your paragraph ! Thanks for your comments about the GRIN hub motor. They really pay attention to everything. I thought about it or a dual...
  18. Peterfr12

    Nazca Pioneer solar recumbent build

    Hi k2orbust, Hi Warren the Nazca is a really good frame to work on. however you might have issue to mount disk brake on the rear wheel. in my case there was not enough room with the mac 8t motor. so I use V brake for the rear wheel but disk brake for the front one. mounting the battery on one...
  19. Peterfr12

    Nazca Pioneer solar recumbent build

    Hi k2orbust, I have a Pioneer Nazca bike that I convert to electric easily with a rear hub Mac motor. You are not the first one and it is a great frame to work on. The steel frame is combined with a 24-inch suspended fork made of alloy. I then added the following components, which most of them...
  20. Peterfr12

    Nucular Electronics owner's thread (setup infos, FW updates, links etc.)

    Thanks for your reply, Bjork I changed the temperature sensor to kty84 and the temperature looks good. With kty83 it was -35 C, i am not in Antartica or Siberia and it is the summer here with 26 C around ! but with kty84 I have 33 C which looks fine. No need for calibration. I disconnected...
  21. Peterfr12

    Good circuit breakers for batteries?

    Hi Thender, I use this one for a 20s16p battery: https://torquetech.co.uk/collections/miniature-circuit-breakers-mcbs/products/100a-dc-circuit-breaker-mcb-solar-fuse-250v-single-pole-1p-ebike-tob1z-125-c100?variant=10154881679407 100A one out of stock but you can use this one...
  22. Peterfr12

    Nucular Electronics owner's thread (setup infos, FW updates, links etc.)

    Thanks for your replies. I solved the issue with the ON/OFF switch button of the throttle. It is now working fine. One wire was slightly disconnected. I have to select ‘switch’ in the parameters instead of ‘button’. I have disconnected the 3-speed switch for now. There is a temperature...
  23. Peterfr12

    Nucular Electronics owner's thread (setup infos, FW updates, links etc.)

    Hi, I have issues with my 12F Nucular controller. It is connected to a 20S16p battery and a MXUS motor laced to a motorbike wheel. It is a little annoying that there is no manual because there are so many features on this controller. Firstly I purchased a thumb throttle with power switch in...
  24. Peterfr12

    Nucular Electronics owner's thread (setup infos, FW updates, links etc.)

    Dear ebikers, I had to postpone my project for months following family issues. I have a 12F controller form Nucular and it will drive a MXUS 4t hub motor. I built a 20s 14p battery. Excuse me if I have dumb questions but the last build I done was very easy (Em3ev) for connections. Question 1...
  25. Peterfr12

    Nucular Electronics owner's thread (setup infos, FW updates, links etc.)

    Hi all, I purchased a MXUS 3kW hub motor and a Nucular 12F controller. It will be used for a recumbent bike and a 20s14p battery. Sorry for the dumb questions! From the hub motor there are several cables of different colors. There are yellow, green and blue thick phase wires which must be...
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