Fatbike - Norco Bigfoot !

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Fatbike - Norco Bigfoot !

Postby Ypedal » Tue Feb 11, 2014 3:42 pm

Newest member of the family !.

Not sure yet what it's going to be, front hub motor, or BB drive ... Just got back from a test ride around the block ( it's -15 celcius out here right now.. so it was a short ride ) and it's a blast to ride, even on icy dirt roads it has gobs of traction with the soft 10psi 4" wide tires... hydraulic disks front and back, 10 speed rear cluster.. not meant for high speed.. that's for sure !
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Re: Fatbike - Norco Bigfoot !

Postby cal3thousand » Tue Feb 11, 2014 3:46 pm

Nice bike!

That thing is begging for a mid-drive solution for crawling over all kinds of crap.
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Tue Feb 11, 2014 3:53 pm

yeah, i'm seriously thinking a 750w bafang BB drive if i can find one to fit the wide BB on this frame... if anyone knows if it fits or not.. pls let me know.
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Re: Fatbike - Norco Bigfoot !

Postby Gus » Tue Feb 11, 2014 6:01 pm

Awesome bike!

Unfortunately, the Bafang wont fit. At least not without some major modification to the BB.The Bafang mid-drive needs a 68 or 73mm BB. Most Fat Bikes have a 100mm BB.

I'm in the same boat as you. Looking for the easiest way to electrify my fat bike. It's ridiculous fun and the only way I can commute in the winter, but the amount of snow my area is getting is slowing me to a crawl. I need a boost. I'm looking at hub motors as well but the 170mm rear spacing is going to be a problem.
Last edited by Gus on Tue Feb 11, 2014 6:02 pm, edited 1 time in total. View post history.
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Tue Feb 11, 2014 6:03 pm

Yup.. i just measured mine and she's 100mm

I will find a way !!.. the front fork being 135mm means a rear axle hub motor will fit, but i need to find 36h fatbike rims, they are not easy to find ( or i'm not getting lucky on google today )
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Re: Fatbike - Norco Bigfoot !

Postby cal3thousand » Tue Feb 11, 2014 6:09 pm

Time to make a crossbreak style double jackshaft mid-drive out of a geared hub motor!
Get a Cycle Analyst and a Multimeter, you're still a noob if you don't have at least one of each.

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Re: Fatbike - Norco Bigfoot !

Postby torker » Tue Feb 11, 2014 9:09 pm

Oh yea ! I know u have the skills ypedal. And if u have to get something fabbed up I am sure u can get it done local. I think a hub mid drive sounds cool.. but the bafang keeps the triangle uncluttered... hmmm. Anxious to see what u come with..
Last edited by torker on Tue Feb 11, 2014 9:11 pm, edited 1 time in total. View post history.
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Re: Fatbike - Norco Bigfoot !

Postby Whiplash » Tue Feb 11, 2014 11:36 pm

Nice bike for sure! Mac mid drive is the best way and is what I'm doing on my wal-fat bike! No pics as of yet but its pretty easy to fit in there cross break style. The width is about perfect.
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Re: Fatbike - Norco Bigfoot !

Postby kudos » Wed Feb 12, 2014 2:44 pm

Whiplash, are you using an off the shelf bracket kit for your Mac mid-drive?

I wasn't aware there is one, I'd be interested to know.

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Re: Fatbike - Norco Bigfoot !

Postby Megsy73 » Wed Feb 12, 2014 7:12 pm

AFT mid drive kit seems to FIT fatbikes with 100mm Bottom brackets, there is a photo pasted in the customer section here (see the black bike):

http://www.af-tech.com.au/Customerbikes.html
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Wed Feb 12, 2014 7:33 pm

i really do not like the cyclone 500w motor sound, even with oil cooling and the sound dampening shroud.. no sale.

while unable to sleep last night i think i may have a solution to the lack of availability of fatbike rims... epoxy a pair of standard wide double walled rims together !!!.. i recall steveo or doctorbass doing this not too long ago with DP420 adhesive, i have a few tubes on hand.. and some rims.... more on that tomorrow. :P
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Wed Apr 23, 2014 7:51 pm

Alright.. so last few days i've been cranking away on the Fatbike... just got back from the maiden voyage !!!!... :P

updates coming up .,
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Re: Fatbike - Norco Bigfoot !

Postby Drunkskunk » Wed Apr 23, 2014 8:10 pm

I don't know how I missed this thread. Awesome bike!

http://www.choppersus.com/store/ will have your 36 hole wide rims, all double wall. They are what I used, and have been great even with the abuse I give them.
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Wed Apr 23, 2014 9:01 pm

yeah.. i found those ,.but 100$ a rim plus huge shipping and exchange rate right now sucks... top all that with my seriously needing to sell stuff and not buy more... resulted in this :

Norco-bigfoot2.JPG
Norco-bigfoot2.JPG (133.79 KiB) Viewed 1337 times


Trued an existing front wheel to perfection, clamped it down in a vice.. used it as a template to tweak the 2 unlaced rims before epoxying them together... using some of that 3M DP420 Doctorbass got me hooked on.

Glued the 2 top rims together and clamped them down to the template wheel.
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Wed Apr 23, 2014 9:05 pm

Since i have a stash of these front 26" wheels, and needed a set of spokes...

( And yeah.. the workbench needs yet another round of cleaning..... ugh )
Norco-bigfoot3.JPG
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Muahahahaha..
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Norco-bigfoot4.JPG
Norco-bigfoot4.JPG (121.78 KiB) Viewed 1336 times
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Wed Apr 23, 2014 9:11 pm

Found my lamp stand/Hub motor wheel building thingy..

Now.. this is a tough one, it's a rear axle motor, being used on a front fork..

typical front fork = 100mm]
Fatbike front fork = 135mm

To get the rim centered into the fork properly, and for the disk brake rotor to line up, required some creativity .....

Laced all spokes to the right side of both flanges on the hub, used the right side of both rim holes to gain a few more mm's .. put 2 shims behind the rotor that required longer disk brake bolts ( that i happen to have in my " pile " .. totally lucked out using bolts from an eZee motor being perfect length )
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Norco-bigfoot5.JPG
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Wed Apr 23, 2014 9:16 pm

Whoop.. there is it

Norco-bigfoot6.JPG
Norco-bigfoot6.JPG (111.57 KiB) Viewed 1335 times


And i got it pretty darn centered too.. got a slight up and down wobble but with the big fat tires, will not be noticeable

Norco-bigfoot7.JPG
Norco-bigfoot7.JPG (106.33 KiB) Viewed 1335 times
.
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Wed Apr 23, 2014 9:20 pm

Motor, rims, spokes, rotor, axle hardware ( all except tire and tube ) = 4.5 Kg = 10 Lbs

Norco-bigfoot8.JPG
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With tire and tube = 6.9 Kg = 15 Lbs

Previous rim was 80mm
New rim = 60mm .... a bit narrower but plenty functional.
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Wed Apr 23, 2014 9:26 pm

The front fork on the Norco Fatbike does not have the typical Lawyer Lips, it has small tabs at the tips of the dropouts..

Norco-bigfoot9.JPG
Norco-bigfoot9.JPG (109.01 KiB) Viewed 1332 times


So, instead of using C washers , i did the unthinkable ..

Norco-bigfoot10.JPG
Norco-bigfoot10.JPG (98.08 KiB) Viewed 1332 times
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Wed Apr 23, 2014 9:28 pm

And with that done...

Norco-bigfoot11.JPG
Norco-bigfoot11.JPG (105.52 KiB) Viewed 1336 times


Zipped up the controller, thumb throttle and Display, taped on an 8ah Lipo 36v pack and took it out for a test..

This bike was meant to have a motor, it's so much fun... :P ... it was dark and wet out there but i played around the yard for about 10 minutes and had a blast...... I intend to cut some PVC panels and mount 16ah worth of lipo, got a 48v 25 amp controller on the way from ebikes.ca to see how much abuse the motor will take :twisted:
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Re: Fatbike - Norco Bigfoot !

Postby Hyena » Thu Apr 24, 2014 5:13 am

Wow, twin epoxied and cross-laced rims, just when you think you've seen everything! :lol: Nice work. It'll be interesting to see how it holds up.
What are you doing for tubes ? 2 thinner tubes or one fat one deforming around the sharpish ridge in the centre ?
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Re: Fatbike - Norco Bigfoot !

Postby drew12345 » Thu Apr 24, 2014 6:18 am

Wow, never seen that before. If that doesn't work out, you can use echo trials rims. There wide enough for fat tire and cheaper and come in 36h. Look forward to hearing more about it.
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Thu Apr 24, 2014 8:05 am

Hyena wrote:What are you doing for tubes ? 2 thinner tubes or one fat one deforming around the sharpish ridge in the centre ?


The original tubes were Presta *( small pain in the ass stems that require an adapter to inflate.. hate them.. ) I picked up a new 26x4 Schrader stem tube and use the valve hole from one of the rims, so yes, the tube is slightly twisted at the stem but with this huge a tire and about 10 psi of air i'm confident it will be perfectly fine.

I used the rim liner from one existing rim, and hockey tape for the other one, ran a few thick layers over the seams in the middle for good measure, time will tell ...

My neighbor's wife expressed concern at the safety of my epoxy adventures, i told her i was confident enough to go for the first ride without a helmet :D .. the rims have a machined surface with shallow grooves ( grabs brake pads really well ) and the glue can really seep in there good and grab. should....
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Re: Fatbike - Norco Bigfoot !

Postby Ypedal » Fri Apr 25, 2014 2:00 pm

Well.. it was fun while it lasted.........
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Re: Fatbike - Norco Bigfoot !

Postby cal3thousand » Fri Apr 25, 2014 2:57 pm

Nothing that 72 or so aluminum rivets wouldn't fix :D
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