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 TotalMechanic: Found the link for the IRS rearend you asked about.  It is http://www.jbp-trikes.com/home.html.  Here is another as well.

SmartAceW0LF, I had not thought too much on my riding position.  I use to ride crotch rockets, dirtbikes, and my Harley and they all felt comfortable to me.  I guess I will have to see if anything is different now with my injury.  I was making a joke about just adding an extra wheel, I know it is not that easy...lol.  I have never tried a sidcar but it does not look like something I would like either though.  I did not think about the wheel hop with the taller tires, low profile does sound like the way to go...In fact then I could use Grand Prix parts, A-Arms and coil-over struts at an angle to give a little suspension and the CV axles.  I will have to pull out the limited slip differensial it has to look to see how i can make that work.  Adding the sprocket where the gear is would be the easy part.  You have a limited slip or is it only one wheel spinning?  Thanks for all the help.

 

W0lf,

 

So far I have decided that my physique pretty much dictates that I pursue a sportbike powered reverse trike with a funny car style tub, because of the following reasons:

 

Due to frozen hip sockets from arthritis the width between my legs when measured between the knees is fixed at no more and no less than 6". As well I am bent over forward at the hips at a 20-30 deg angle. (I don't use any devices to walk. I just use /abuse my knees and ankles to shuffle!) Additionally, as the muscles on my backside and upper thighs are atrophied I have no padding back there. (Tailbone sticks way out.) It may be hard to picture but the end result is that I cannot straddle a conventional motorcycle or even the conventional trike conversions that exist. The bottom line is this: If the motor sits under me so that it has to be straddled I cannot use it.

 

I like the regular flavor trike for it's simplicity and especially the low slung IRS with rear diff designs you posted but from what I see they too require a straddling posture.

 

The other design idea that I flirted briefly with was a modified two-wheel sportbike with the seat, back fairings and supports cut away and a wedge shaped fender covering the rear wheel and chain. The riding posture would be prone: My chest would be lying on top of the fuel tank bulge and my legs sitting parallel to the ground. If you saw the movie, "The World's Fastest Indian" about Burt Munro, that would be what I had in mind. The link below shows the pictures of the original bike and the modified Ducati that were used in the movie.

 

 http://www.indianmotorbikes.com/features/munro/munro.htm

 

Munro used two small retractable outrigger casters to stabilize the bike when it was at a standstill and while running at low speed. The major downside of this design is stability in high-speed maneuvering, ability of the rider to see over the handlebars and a need to wear a medieval suit of armor in the event the bike tipped! Definite safety issues. One idea that now occurs to me after your posts is this: Combine the prone posture with a bike with two rear tires on a Tiltster/IRS/Rear Diff setup. It would solve the stability and safety issues, the only issues/compromises as I see it would be riding comfort and visibility issues for the rider. I won't really know what it would be like to ride such a beast until I actually had to do it! I will have to ponder this idea some more as the concept now has me intrigued.

 

 

Arkansan,

 

Love the, "sticker" idea......... I used to hang out at clubgp.com but have not been there in a coupe of years. The modded GTPs are crazy with performance for being such "normal" looking cars. Having a GT and knowing how it performs makes me all the more curious to know what a GTP would be like. If I had to re-engine the GT you could almost bet I would refit it with an L67! (Note to the ladies: In spite of all of the above talk, we are not trying to invent new ways to kill ourselves! LOL. However, boys will be boys.  Hee Hee!)

 

 This is close to the same as what was on the tail of the Ninja:

Here is the one I made for my car:

 The L67 is easy to put in a GT, but it is best to get the GTP Heavy Duty Transmission also.  You will also need the PCM from a GTP.