Search found 14 matches

by Rickard m
Feb 13 2019 4:56pm
Forum: Electric Watercraft
Topic: Husky conversion
Replies: 3
Views: 270

Re: Husky conversion

Thank you! Probably looks better on picture :oops: It is the Golden motor Model: HPM3000B -- BLDC Motor 1. Voltages: 48/72V 2. Rated power: 2-3KW 3. Peak power: 6KW 4. Speed: 3000-5000rpm 5. Rated torque: 10 Nm 6. Peak torque: 25 Nm 7. Efficiency: >90% 8. Dimensions: 18cm dia. 12.5cm height 9. Weigh...
by Rickard m
Feb 13 2019 3:38pm
Forum: Electric Watercraft
Topic: Husky conversion
Replies: 3
Views: 270

Husky conversion

My dad had this beautiful outboard motor from 1961 standing for many years, he found it in the trash.. I need a new winter project so I took it :wink: https://i.imgur.com/unQ07CX.jpg https://i.imgur.com/5eTkKmu.jpg https://i.imgur.com/9DMj2ej.jpg https://i.imgur.com/A4sGWPc.jpg fit nice under the li...
by Rickard m
Feb 13 2019 3:20pm
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: Vintage Electric MX (YZ80)
Replies: 20
Views: 2693

Re: Vintage Electric MX (YZ80)

One year later, still happy, bike work great :bigthumb: Still I wanted to improve the gearing, could not find any smaler front sprocket for the 20mm axle and 428 chain. So I made my own 20mm keyway sprocket. https://i.imgur.com/As1QkXw.jpg On the rear i have been using a 55 tooth this summer. It top...
by Rickard m
Feb 18 2018 7:48am
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: Vintage Electric MX (YZ80)
Replies: 20
Views: 2693

Re: Vintage Electric MX (YZ80)

Now I have had time to drive a little more, everything works great. Topspeed is 70km/h, I think that is enough for forest riding. But I would like to have it slightely more agressive from zero, The power seems to be there but comes after a short "ketchup effect".. Any advice on what to adjust? A sho...
by Rickard m
Jan 30 2018 1:38am
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: Vintage Electric MX (YZ80)
Replies: 20
Views: 2693

Re: Vintage Electric MX (YZ80)

Thank you for the links Fechter,

I saw there were copies of Ktrak on Alibaba now, would maybe be a good start to modify. But I could easily fit a 100 mm wide track, I assume they are only about half that if they are supposed to fit a normal bicycle.
by Rickard m
Jan 30 2018 12:32am
Forum: E-Scooter and Motorcycle General Discussion
Topic: Nice bike from Sweden (Cake)
Replies: 4
Views: 924

Re: Nice bike from Sweden (Cake)

Agree, but still look fun :)
by Rickard m
Jan 29 2018 11:34am
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: Vintage Electric MX (YZ80)
Replies: 20
Views: 2693

Re: Vintage Electric MX (YZ80)

Anyone with thoughts/help about optimizing the settings?? In the mean time I made a ramp so I can bring it easy on the hook in the back of the car. https://i.imgur.com/tE0YnuD.jpg Also I have changed the gearing now I run 11front sproket och 54 rear. Also changed the brakes and bearings when I had i...
by Rickard m
Jan 03 2018 6:16pm
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: Vintage Electric MX (YZ80)
Replies: 20
Views: 2693

Re: Vintage Electric MX (YZ80)

Now I have tested the bike with 800rpm/s setting, big improvement. Starting to get funny now :twisted: obviously it is possible to go all the way to 1200rpm/s. I Shall try that next time. EDIT, tried but got error message when I entered greater than 800. Seems to be the limit any how. ((rpm/s):50.0 ...
by Rickard m
Jan 01 2018 12:36pm
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: Vintage Electric MX (YZ80)
Replies: 20
Views: 2693

Re: Vintage Electric MX (YZ80)

Thank you! I had two small piecis of the extruded aluminum cooling fins left, I guess you can't get to cool so I bended one piece to fit the motor and one piece can sit in front of the controller, is there some kind of glue that transfer heat? "steel epoxi"? https://i.imgur.com/ecbvDo4.jpg I got hol...
by Rickard m
Dec 27 2017 3:43pm
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: Vintage Electric MX (YZ80)
Replies: 20
Views: 2693

Re: Vintage Electric MX (YZ80)

I' sort of done now. Drilled a hole in the "gas tank" put in some cables with over lenght there. https://i.imgur.com/N1trxq3.jpg I also have the charging port under the noraml gas cap. https://i.imgur.com/WaSOly6.jpg Filling up takes longer time in the "future" :lol: As you can see, I also printed o...
by Rickard m
Dec 25 2017 4:21am
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: Vintage Electric MX (YZ80)
Replies: 20
Views: 2693

Re: Vintage Electric MX (YZ80)

Merry christmas! Tried it for a short spin yesterday :D [youtube]https://youtu.be/72pG6jHKTBM[/youtube] My daughter i shouting that it is slippery and that I can fall. So I did after the video... :roll: the bike managed but my jeans broke on the knee :wink: I think I would like to increase the throt...
by Rickard m
Dec 21 2017 12:33am
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: Vintage Electric MX (YZ80)
Replies: 20
Views: 2693

Re: Vintage Electric MX (YZ80)

Thank You! Made in Japan, perfected in Sweden with parts from China :D I don't know so much about this, just try and error, exited to try it out, see how things work out together. The build part is sooo fun, hopefully fun to drive too. I went with the original size chain 428, the smallest front spro...
by Rickard m
Dec 20 2017 4:02pm
Forum: E-Scooter and Motorcycle Photos & Videos
Topic: Vintage Electric MX (YZ80)
Replies: 20
Views: 2693

Vintage Electric MX (YZ80)

Hi, I never got a dirt bike when I was young, but my dream was one of these: https://i.imgur.com/tOC6yGp.png A few weeks ago I found these really cheap https://i.imgur.com/pVcQDpD.jpg https://i.imgur.com/WAD1rBw.jpg Some new parts arrived https://i.imgur.com/drXqBjt.jpg Started to fabricate https://...