Tats
1 kW
Nice work quokka, was that all with the arduino? How much more work before I see you disappearing past me?
Qulbix Q76R Frame Kits & Complete Bikes PRE-ORDER
- Thread starter Qulbix
- Start date
Mammalian04
100 kW
Quokka said:
Very nice Quokka! Do you use any special hot glue or just regular Craft glue?
Quokka
1 kW
The arduino is working great... This is how i have the welder set up now which i find is simply awesome. The 4 g silicon cable for the welding leads is is a massive improvementTats said:
I will post a thread in coming days on the packs construction.
The bike should have its first powered run in 2 weeks- just waiting on a special delivery from vito from QS motor
Attachments
Rix
100 TW
Merlin said:what spotwelder is that?
DC welder with 2 car batteries in series. I know guys that rock crawl (Wheelin) that use this set up to fix stuff that break on the trail.
Quokka
1 kW
Its a diy spot welder. If you google arduino spot welder you cant miss it. Its on the instructbales website. It has links to everything you need to build one. I have also been posting some stuff on the build in the arduino spot welder thread in the for sale section. If you get stuck pm meMerlin said:what should i search if i want to buy?
Quokka
1 kW
As requested. Here is a thread on my battery build
https://endless-sphere.com/forums/viewtopic.php?f=14&t=81257
https://endless-sphere.com/forums/viewtopic.php?f=14&t=81257
Quokka
1 kW
Finally.... What a mission. Had to swap out my cro as it had major damage encountered when it shipped my guess. Bearings and halls were shot...
Anyway, the good news i now have a QS 205 bolted up into place, battery and adaptto set up to do some first street tests. So far everything looks great. Will be looking forward to unleashing this thing
Anyway, the good news i now have a QS 205 bolted up into place, battery and adaptto set up to do some first street tests. So far everything looks great. Will be looking forward to unleashing this thing
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Mammalian04
100 kW
Looking good!
Quokka
1 kW
I ordered it back i November last year. Took a long time as there was a fairly long waiting list. From order to deliver was around 12 weeks for meMerlin said:
Rix
100 TW
Quokka said:Finally.... What a mission. Had to swap out my cro as it had major damage encountered when it shipped my guess. Bearings and halls were shot...
Anyway, the good news i now have a QS 205 bolted up into place, battery and adaptto set up to do some first street tests. So far everything looks great. Will be looking forward to unleashing this thing
Bike came out great, black on black with strategically placed white graphics, very awesome......So, how does it work for you?
Tats
1 kW
That's nice. That's very nice. A real credit to you....and the wife for letting you.
Rodney64
100 kW
Nice work Quokka. I am temped to build one now.
Quokka
1 kW
Just went on a 20km ride. I love itRix said:Quokka said:Finally.... What a mission. Had to swap out my cro as it had major damage encountered when it shipped my guess. Bearings and halls were shot...
Anyway, the good news i now have a QS 205 bolted up into place, battery and adaptto set up to do some first street tests. So far everything looks great. Will be looking forward to unleashing this thing
Bike came out great, black on black with strategically placed white graphics, very awesome......So, how does it work for you?
Its still pretty heavy with all the big battery and the QS motor but its a very compact little unit. The frame is really thin which gives a great tirning circle, my old em3ev enduro electric bike handles like a super tanker by comaprison. Sittimg on around 2.5kw of power is all i needed to do 45-50km/hr and the range with 3kw/hrs is amazing I'll reserve the other 12kw of grunt for my mate and his stealth next time i bump into him. I am really surprised that i dont get more weird looks from other people. I guess unless you know what you are looking at you can pass as futuristic hi tec mountain bike.
Quokka said:Just went on a 20km ride. I love itRix said:Quokka said:Finally.... What a mission. Had to swap out my cro as it had major damage encountered when it shipped my guess. Bearings and halls were shot...
Anyway, the good news i now have a QS 205 bolted up into place, battery and adaptto set up to do some first street tests. So far everything looks great. Will be looking forward to unleashing this thing
Bike came out great, black on black with strategically placed white graphics, very awesome......So, how does it work for you?
Its still pretty heavy with all the big battery and the QS motor but its a very compact little unit. The frame is really thin which gives a great tirning circle, my old em3ev enduro electric bike handles like a super tanker by comaprison. Sittimg on around 2.5kw of power is all i needed to do 45-50km/hr and the range with 3kw/hrs is amazing I'll reserve the other 12kw of grunt for my mate and his stealth next time i bump into him. I am really surprised that i dont get more weird looks from other people. I guess unless you know what you are looking at you can pass as futuristic hi tec mountain bike.
Is the weight really a problem once you get rolling? I don't really notice the weight unless I pick the bike up and carry it. You have to make sure your suspension is adjusted well especially the rear shock. I had for the longest time to high a spring weight, I am running a 300 lbs spring now on my Q76R, this is for a 10.5" shock. I was not getting near all my travel with a 350LBS spring.
Now the suspension is much softer in the rear and offers much better traction. I feel like the bike sags into the ground and sticks to it.
I also switched out my USD 8 fork for my old marzocchi 888 fork which is much more plush. I may have had issues with the USD-8 after dropping the bike but the Marzocchi seems to be better and I prefer the more plush softer feel. Only problem is if I jump the bike I bottom out the marzocchi easier.
I find the Q76R because of the thin frame makes it much easier to turn sharp, also because the top frame is lower and allows me to lean the bike a lot more into turns.
The thin frame definitely makes it look much more like a bike and people don't notice it as much. From the rear nobody would know anything. I even had someone with a mountain bike not realize it was an electric bike and was looking at it for a while.
I'm going to switch out my hub motor to a MXUS turbo and will see how the weight savings is compared to a cromotor. Your QS motor is a heavy beast, even heavier than my cromotor. 3" low PSI rear tires help cushion the weight. Running only 2.5KW makes no sense to use a heavy QS motor.
Powervelocity.com
100 kW
If I can chime in regarding weight, I've gone from very light bikes to pretty heavy ones and I would say, for the most part, weight is not a bad thing. It can be a good thing.
My latest iteration has 5.1kwh pack which is 50lbs alone, plus QS motor, plus moto rims tires, etc. I don't have scales large enough to weigh it, but I suspect it's probably in 130-150lbs range.
The good:
- Better handling on the road, sticks to the ground, less wheelie, feels safer at higher speeds (>50 mph);
- Well, with larger pack you get good range, less range anxiety, go anywhere pretty much anywhere you want without too much thinking about the juice;
- On flat ground, the energy consumption increase due to more weight is not sizable, maybe 10%. Once you are up to speed, the current draw at cruising speed is not significantly different compared to lighter bikes;
The bad:
- It's heavy - can't really pedal it too far without assist. I was able to pedal maybe 2 miles max when there were issues with the motor
- Not easy to transport on hitch carriers. I've been looking for a good carrier that is rated for this weight. Even with the pack removed, I am not 100% comfortable putting it on a carrier (unless it's a truck hitch with higher tongue weight and a moto-rated carrier)
- Higher starting current requirement to get this weight up to speed - may need stronger controller controller and/or forced cooling for low speed riding and in hotter climate. Not an issue at speeds above 30 mph though.
A couple of pics.
My latest iteration has 5.1kwh pack which is 50lbs alone, plus QS motor, plus moto rims tires, etc. I don't have scales large enough to weigh it, but I suspect it's probably in 130-150lbs range.
The good:
- Better handling on the road, sticks to the ground, less wheelie, feels safer at higher speeds (>50 mph);
- Well, with larger pack you get good range, less range anxiety, go anywhere pretty much anywhere you want without too much thinking about the juice;
- On flat ground, the energy consumption increase due to more weight is not sizable, maybe 10%. Once you are up to speed, the current draw at cruising speed is not significantly different compared to lighter bikes;
The bad:
- It's heavy - can't really pedal it too far without assist. I was able to pedal maybe 2 miles max when there were issues with the motor
- Not easy to transport on hitch carriers. I've been looking for a good carrier that is rated for this weight. Even with the pack removed, I am not 100% comfortable putting it on a carrier (unless it's a truck hitch with higher tongue weight and a moto-rated carrier)
- Higher starting current requirement to get this weight up to speed - may need stronger controller controller and/or forced cooling for low speed riding and in hotter climate. Not an issue at speeds above 30 mph though.
A couple of pics.
Quokka
1 kW
Agree offroader, the weight is not an issue once you are moving. It just makes it a bit awkward when you need to manhandle it in tight spaces, like wheeling it out past all the toys in the garage. Not a big issue though. Reading through my last post i realize its confusing. I have 2,5kw dialed in for eco mode, i still have the other 2 high power modes at my fingertips
I agree with your points also powervel. The weight does help at speed, especially in gusty crosswinds.
I agree with your points also powervel. The weight does help at speed, especially in gusty crosswinds.
Powervelocity.com
100 kW
Yep, it makes it a bit harder to blow you off the highway.
Quokka said:
