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post #1 of 11 Old 10-11-2012, 05:12 PM Thread Starter
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I want.......

OK, I'm not sure if this is the correct place for this at all, so if not please move it to where it belongs.......with my appologies.....

OK....I have an idea burning a hole in my head that needs to get addressed soon or I will get locked up in the mental ward someplace far far away......

I want to build what people are calling a reverse trike.

I want to use a relatively small cc'd engine from a 250-400cc range. Just for the fuel economy aspect of it.
I need a complete front end from a sport ATV to act as the donor for the front end of this project. It will be cut just behind the "A" arms from the rest of the ATV so I can make use of all of the suspension components and wheels and hubs. I will also cut it down the middle front to rear and stretch it 3 feet roughly to get the space to mount an engine between the front wheels. Turn an engine sideways so the output shaft is facing towards the rear, make up a splined connecter to join a drive shaft to the output shaft and send it backward. I need enough room to sit behind the engine/suspension set up at a level as close to the road surface as possible. I want to sit stradling the seat similar to our seating position we use now with capabilities to use your feet to push this contraption backwards as a reverse just like we do now. I then need a shaft drive swingarm and wheel set up to join to the driveshaft coming from the engine. Either a mono shock or twin shock set up is possible, doesn't matter really but the mono shock requires less structure to operate making it a cleaner looking machine.
I want thin tall front wheels similar to the rear, whatever size that is. I want a retro look and not a sleek stylish smooth bodied machine dreamt up by some artist, but the opposite a functional basic machine designed to get you from point A to B.
I want economics over power for a change.....this thing needs to be capable of towing a very small lightwieght trailer to carry my camping equipment etc when doing long distance adventures.

I am no suspension designer and can not figure out all of the necessary diamentions that is critical for proper steering geometry that is why I am thinking of using a sport ATV's complete front end to start from. If you think about what was built in the early days of machines to carry our arses down the road, this donor should be light years ahead of those.

I would be happy to be able to get 60mph from this machine at a sustained speed over long distances. Again, I'm not interested in performance as I am in my KLR......the cc size I am looking at just won't allow it. I feel it would be a great machine to built and enjoy at the speed limit.

A completely open to the elements machine with thoughts of using shrink wrap possibly to make a temporary body skin from. But only as a secondary thought. It would be cheap and it does stand the pressures of wind while transporting boats etc down the highways now....so it makes sense....no?

So...does anyone know where I can pick up any of the donor parts at a very cheap cost? I forgot to say...this has to be done on the cheap finacially. If it works well the first time, then maybe I will build one with more power down the road and use much more costly parts etc off the shelf. But for the first attempt.....cheap is the key with safety firmly kept in mind.

So...parts needed are.....

1: some sport ATV front end or complete ATV with blown engine or damaged rearend as long as the front is completely intact.
2: a small reliable 250-400cc 4 stroke bike engine
3: a rear shaft drive swing arm and wheel and suspension

The rest I can fabricate to join these parts together.

I live in Canada near Toronto.....but I have a few buddies who live in or winter in the USofA and can get the parts back to me if it works out that way.

So....can anyone help and what do you think of my lunatic idea????

Search out reverse trikes and you will see plenty of strange contraptions that many have already built.......

Willys
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post #2 of 11 Old 10-11-2012, 06:14 PM
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So your kind of thinking of something along the lines of a Spyder?

Halfthrottle reviewed some chinese reverse trikes in Panama... These were smaller engined machines.


Last edited by 650Stew; 10-11-2012 at 06:18 PM.
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post #3 of 11 Old 10-11-2012, 09:51 PM Thread Starter
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Sort of but you are not sitting high above the engine but behind it as low as possible similar to a normal vehicle.....just high enough to see over the engine etc. IMHO the spyder is a sled on wheels which really turns me off it.....I just can't see it as anything else.

I have been thinking about this idea since before the Spyder came out....there are many different versions of these reverse trikes as they are called.....some just keep the bike as a powerplant to push the trike forward and built a cockpit infront of the almost complete bike.....I also don't like this as it seems too much like you have done just that....such a seat infront of the forks of a normal motorcycle.....plus it makes the whole machine very long. I want small and light and economical....not the 1800cc machine I think the Spyder is.....I could be wrong on the cc number but it isn't a simple machine by any sense of the term.....plus it can be a rocket if chipped right.
.....

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post #4 of 11 Old 10-11-2012, 10:17 PM
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Ah! I think I have it now, your thinking more along these lines?

Those are cool! I want one now... As far as cheap small engines go, I've had good luck with small displacement chinese engines. I particularly like the Lifan and Zongshen ones. I think you can get a 200 cc engine for about $350 not counting shipping. That's air cooled, 5 speed, electric start, and all the electrics to make it run... Pretty much turnkey . Not terribly powerful though, you'd have to pay close attention to your gearing and I'm guessing top speed wouldn't be that high. Parts are dirt cheap for the engines on ebay as well.

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post #5 of 11 Old 10-12-2012, 11:56 AM Thread Starter
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Yep...that's the look albeit very fancy and expensive but that's it.
I also found this very simple cheap version......more like what I was thinking for the first attemp, albeit without the 2 stroke noise maker.


I hadn't see the solid axle frontend before but it was what I was thinking first but it looked very heavy in my head......so maybe I'll research that idea again seeing I have seen one now.....it is by far the easiest suspension to work with. Plus it gives the unit a much older feel and look to it. You can use a simple leafspring for the suspension and even allow it to lean if you build in a pivot right where it rides on the front suspension attachment point instead of a solid block or square frame attachment point. Another night without sleep now.....lol.......

OH...I have a 200cc china bike I use to beat on the trails....it wouldn't be powerful enough I don't think....but it sure can take a severe beating and still keep on ticking!.......and man does it tick!......

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post #6 of 11 Old 10-24-2012, 07:36 AM
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Kind of a converted snowmobile?
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post #7 of 11 Old 10-24-2012, 08:51 AM Thread Starter
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No...no....that is a Can-am Spyder IMHO.....I hate the looks of those things.....I want to sit low very low behind the engine, in front of the rear tire.
I have the power plant....a Honda CX500 tranverse twin I think it's called. It has a very distinctive looking engine which looks a bit like a Motoguzi sort of. It's an interesting engine and will attract some attention for it's shape and design.


Enjoy.....looks and sounds good.


I am still looking for a good front end for this project.....so if anyone has one or knows where I can get one cheap, this is the important thing cheap, remember I'm a KLR owner at heart, please let me know......I can have it shipped to a Alabama address to be brought back to me in the spring. Again, I am looking for a sport ATV front end which has all of the suspension components intact with steering. I don't want or need any differential parts or drive parts, just the frame and suspension/steering...thanks.....lets make this happen........

Willys

Last edited by willys; 10-24-2012 at 08:56 AM.
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post #8 of 11 Old 10-24-2012, 10:55 AM
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Quote:
Originally Posted by willys View Post
No...no....that is a Can-am Spyder IMHO.....I hate the looks of those things.....I want to sit low very low behind the engine, in front of the rear tire.
I have the power plant....a Honda CX500 tranverse twin I think it's called. It has a very distinctive looking engine which looks a bit like a Motoguzi sort of. It's an interesting engine and will attract some attention for it's shape and design.

http://www.youtube.com/watch?v=_2TXy2D7r6w

Enjoy.....looks and sounds good.


I am still looking for a good front end for this project.....so if anyone has one or knows where I can get one cheap, this is the important thing cheap, remember I'm a KLR owner at heart, please let me know......I can have it shipped to a Alabama address to be brought back to me in the spring. Again, I am looking for a sport ATV front end which has all of the suspension components intact with steering. I don't want or need any differential parts or drive parts, just the frame and suspension/steering...thanks.....lets make this happen........
How about something like the front end of a wrecked Polaris RZR or Yamaha Rhino? I don't know where you could find one, but that might fit your bill...
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post #9 of 11 Old 10-24-2012, 11:30 AM
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Quote:
Originally Posted by willys View Post
No...no....that is a Can-am Spyder IMHO.....I hate the looks of those things.....I want to sit low very low behind the engine, in front of the rear tire.
I have the power plant....a Honda CX500 tranverse twin I think it's called. It has a very distinctive looking engine which looks a bit like a Motoguzi sort of. It's an interesting engine and will attract some attention for it's shape and design.

http://www.youtube.com/watch?v=_2TXy2D7r6w

Enjoy.....looks and sounds good.


I am still looking for a good front end for this project.....so if anyone has one or knows where I can get one cheap, this is the important thing cheap, remember I'm a KLR owner at heart, please let me know......I can have it shipped to a Alabama address to be brought back to me in the spring. Again, I am looking for a sport ATV front end which has all of the suspension components intact with steering. I don't want or need any differential parts or drive parts, just the frame and suspension/steering...thanks.....lets make this happen........
A pinto or mustang 2 front end could be very easily adapted for this purpose. Many kit cars use them so the aftermarket world is full of parts to narrow or widen them and they are power assisted rack and pinion from the factory.
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post #10 of 11 Old 10-24-2012, 02:05 PM Thread Starter
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You guys are going after way too heavy items, think very light weight machinery.....small and old fashioned looking in a way.....it needs to be something that will easily stay away from the peering eyes of Mr Policeman.....as they are still in a very grey area of the law at the moment.
The sport ATV twin A arm set up with coil over shocks are perfect. It just needs to be widened by 2 feet, enough to mount this engine. Then the stock ATV suspension would sit outside of that structure. I don't want the super long A arms that both of those machines have but also don't want pressed iron versions the cars have either. That is why sport ATV's suspension works so well. IMHO.

The cost of the larger side by side would be huge I bet but it would work if it also has the twin A arm set up.

If someone can find me a set up for a very cheap price I will be all over it.

Thanks......

Willys
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