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Discussion in 'Hacks' started by whitham_wannabe, Oct 9, 2017.
I guess nobody's gonna ask why I, of all people, would have something to say about that one photo.
I can't afford a Sportsmobile but I've been thinking about doing a 4x4 conversion to a van and then setting up the inside as a camper myself. Or just buying a slide in camper for my pickup.
See what you started Dana!
Richard wouldn't have a Sportsmobike, he would build something along the lines of an Earthroamer: https://earthroamer.com/
Congratulations on your new rig. Glad Richard kept most everything he bought to try out while setting the rig up. It sure gives you a gazillion options.
So when does the unreliable R-100 go on the block ?
Ha! I'm not sure what direction to go with that ... I have a big emotional connection to it from my time with Bruce, my sadly departed Bull Mastiff. But I have to admit, it probably won't see a lot of action now, and I don't want it to fester in the corner of the garage ...
What front tire is that?
According to their website, all four tires are the same ---
41 inch diameter, 12 inch wide, 22 ply military tires . . . designed to carry very heavy loads even when aired down . . . mounted on an aluminum military bead-lock rim . . .
Here's a better pic---
The Michelin military tires we used on the Oshkosh JLTV we raced in Baja back in 2010
were 46" tall and the tire + wheel weighed well over 250lbs each!
Defarkling and refarkling
So, I may lose my ADV credentials for this one, but I am a firm believer that farkling can go too far. No offence to anyone who lives for the farkle, but I prefer simplicity.
One area of the new rig that looked really fussy to me was the rear mudguard, tool tube combo.
The tool tube isn't big enough to put all my tools in, so if I'm going to carry a tool bag elsewhere, I may as well put everything in there. All told, there were two steel brackets and the aluminium fender extender on there, the tube and two hose clamps, there has to be a a way to simplify. Under all that was an ugly (and evil looking) bracket which I wanted to clean up. Step one, rub some graphite on my thumb and get an impression of the shape of the bracket.
Take a picture of the rubbing with something of known size (100mm caliper spacing).
Import into CAD (Inventor in this case, I also run Solidworks and NX), and scale based off the 100mm calipers. Draw around it and add ears for the auxiliary brake lights. Hmmm ... looks good in Carbon ...
Pop into work and route it out of .... Carbon Fiber. Because when you have a 1200lb rig, there's nothing like saving a few grams with some CF.
Mount the aux brake lights with some 3M VHB tape. Looking clean.
Finished article ... I'm not sure Sophie approves or not ....!
All the stuff that was removed.
When we were down in SoCal, I bought a big dog bed and just kind of wedged it into the chair for the trip. It worked, but not well. There is a bunch of electrical stuff under the seat that she was just sitting on.
I made up a sub floor that provides clearance for the electrical gubbins, out of plywood.
Time to break out the 57 year old Singer, and narrow up the dog bed. I also added a couple of straps to stop it riding down as she moves around.
Hmmm .... still doesn't look too impressed.
And while I had the sewing machine out, I made a couple of bags for the Porsche jack that came with the bike. Don't judge too harshly, I've only been sewing for a couple of months, but it'll stop them rattling around in the trunk for now.
That's it for this weekend .... next update will be 'alignment', if I can ever figure it out ....
You can call yourself a novice but that square bag for the jack is pretty cool!
Given that you apparently live in WA a zippered opening in the Tonneau may be helpful but of course the dog has to be lifted in if it's in place.
Fortunately Justin doesn't like the wind in his face.
You do nice work.
Good to see you are out riding.
I guess not!
Wow, has been that long since my last update .... I am slacking. Well, with the demands of works and the general bleargh of winter, I haven't had too much time or energy to do stuff to the hack.
When I bought the rig, there was definitely a significant lean in to the bike. I've been lucky with my R100 rig in that it has never needed alignment in the time that I've had it so this was my first shot at it. DRONE very kindly offered his help and rode up for the day. Somewhat bizarrely, neither of us took any photos on the day to chart our progress, but we had a fun day of comedically collapsing sidecars and came out the other side with a better alignment than we went in. Handling improved also. It still wasn't quite where it needed to be, though, and the links had been lengthened to a slightly alarming degree to get our numbers right.
I built a very simple CAD model of the bike in 2D to try to wrap my head around what was going on - it's a lot easier to visualize by typing in a couple of numbers and watching it transform in a couple of seconds, than by taking 20 minutes for each adjustment on the bike.
With my new found understanding (ha!) I did a few more minor adjustments to bring the links back to a more acceptable adjustment, and so far lean and handling seem to be pretty good. I think I have too much toe in still, so next time I have a spare pair of hands in the garage, I will have a crack at that.
Richard, the gentleman who originally put this rig together, was intending to use it in Alaska and hence had fitted an auxiliary fuel tank underneath the chair. My concern with this set up was that it took up a lot of ground clearance underneath the rig. The way it was integrated also made me a little nervous, as it required the seat to be removed and battery connections to be made to transfer fuel into the main tank. I scratched my head for a few days trying to figure out how to fix these concerns, and ... removed the tank. The way it is constructed allows the whole thing to be dropped out relatively easily, so my intention is to make some changes to the clamps to make the unbolting process easier, and to make the electronics more integrated. When I need the extra range, I can choose to bolt it up, the rest of the time luxuriate in the additional ground clearance.
Hell, I even have a bulldogsworth of ground clearance now!
And it now allows me to do this ....!
And the weight! Another 73lb gone from the rig. While I was at it, I removed the swing gate on the back of the tub (used to mount the side case when the spare is mounted) - keeping everything ready for when I do need it. In the meantime, getting into the trunk is easier and I don't have the weight to haul around. I also removed the large metal plate under the spare tire mount, as it wasn't doing anything, so all told got another 22lb out of those two. 95lb down, that's a whole other Sophie that I'd been hauling around!
The last few months have been pretty hectic with the launch of our latest product, a gimbal for smart phone use. What better way to test it than with a bit of hackery.
I made up a vibration isolation set up (the mint green o-rings cushion the upper plate and Movi from the big twins shaking) and zip tied it to various places on the bike.
I make no apologies for my choice of music.
I shouldn't answer for Claude but I will anyway He's a minimalist toe in guy and I think that's because he doesn't reduce the trail as much as say DRONE rig.
On your sway bar ,when you are changing thing it'll need to be readjusted and will make more difference than you think (ride quality) I experimented all over the place with preload etc best ride quality is no preload, that lets things move a little before the bar becomes a spring. They are a dandy spring I drove mine 40 + miles using only the sway bar for hack suspension.DB
That was the exact song I would have chosen.