Engine for a Fatbike, for snow/swamp riding

maybe the weight is the idea too?

two on the front end would help surely?

as long as its balanced...

more traction :)
 
If you want to see what snow biking, the non motorized version anyway, is all about check out the three segments here: http://lacemine29.blogspot.com/2010/12/iditatour-part-one.html

Mike is a friend of mine and about as genuine a person as you will ever meet. He doesn't think much of my motorized exploits but has gotten used to them over the years.

One thing for sure though is that that trip would not be possible except for the snow machine traffic that packs down the trail in advance of the Iditarod Dog Race. The bicyclists go before the dogs to take advantage of this.
 
Cool Blog! He made a great trip. The gasoline engine would have really helped him at times, but it would have made the load a little heavier when pushing and carrying over rocks would have come into play. Also, the problem with long distance travel with a motorized bike is that you have to carry a gas supply, especially when you are out far somewhere. A strong bicycle trailer or a sled might have been in order here for your friend or on long wilderness snow trails with a motored bike))) I took an empty 5 gallon gas can with me on the train(in a box) and put my boxed up bike in the baggage wagon and went way out in the north of Russia in Karelia this summer. Filled her up when I got there and took a taxibus about 70 miles out in the middle of nowhere. Lived there for 3 weeks and my bike was my buddy. You can be sure it really came in handy on those endless abandoned forest roads. Lot's of boulders sticking out here and there to dodge...it was a sand road too))) Two wheeled bike trailers need big fat wheel barrow wheels for off roading it though. Otherwise the large weight and uneven rocky roads will make your wheels curvy in a heartbeat)
 
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Your adventure to Karelia sounds like a good one also. Mike does carry his camp stove fuel in his frame and fork. He tried a single wheeled trailer one year with the same type of wheel/tire, in fact all the wheels where rear type wheels, but it did not work well for him and he never did it that way again.
 
Brutus

Has anybody put an engine onto a fatbike, like the Surly Pugsly for example? It's possible to ride on snow, soft deep sand, shallow swamps without really sinking in. Now sure what will happen if you get off and take a step though. There will definitely be a need for chain line engineering here. I'm thinking the go ped CVT may be helpful in many ways here. http://www.gopednation.com/forum/showthread.php?t=263571

It's actually possible to ride on top of deep snow without really sinking in.
http://www.youtube.com/watch?v=GobQaXQawoI&feature=related

http://www.youtube.com/watch?v=3VfefzqMqpw

http://www.youtube.com/watch?v=1upr...PL02E60CAF943BD331&lf=results_main&playnext=2

http://www.youtube.com/watch?v=t7ilJJhdySY&feature=related

I've been riding my motorized mountain bike with standard 26X2.1 tires in the snow. If I pedal hard standing and give it plenty of gas, then I can ride through deep snow up to my pedals and axels. It looks crazy, but it actually works. Just don't lose momentum and watch out for naked ice if you don't have studded or screwwed tires. I think it would be super on a fatbike. I plan to put screws in my tires and run up and down the big Moscow river here when it finally freezes over)))

I am going to do that...will post progress
 
had a book way back that went into some minor detail on "snow bikes" back in the day before these 4 inch fat tyres became available...

things like double lacing rims onto one hub...ie, use two 24 spoke rims on a 48 hole hub, and spacing the rims apart to allow for the fattest tyres around at the time... obviously frames need tweaking to suit.

some company online somewhere sells the fat tyres with replaceable (screw-in) steel or carbide spikes. not cheap. oooh, a search found a completely different one...! http://fat-bike.com/2012/12/grip-studs-customizable-traction/

cus my country is silly i think i would have to follow a double lace setup and just make do with mud...

the old idea of two "wheelbarrow" tyres on a frame with a big moto/tractor tyre stretched over them as a belt? cut out the sidewall...
 
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