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I 'Delta Boxed' the std swingarm (those 2 little button head bolts you can see hold on 1mm thick covers as I ride in Rock City, and would slash my wrists if I tore up the new SA side plates) , but am trying Not to do a Trellis type swingarm like the 'SGB' above.
I think I may have gone there - I recall going to a track quite near Matterley a week or two before a GP a few years ago.
The Shop
Your CR looks trick, I like the swinging arm.... Why pds???
Because I can.
I've made frames / chassis since I was a kid.
And, I love simplicity, when done well.
I really liked a few later model PDS KTMs I rode with Ohlins TTX shocks, or WP Traxx shocks. I don't ride SX - I ride the bush and the occasional MX track, so a linear , rising rate (yes, I know, a contradiction of terms, but most with a brain will get what I mean) is perfect for Me , and the way I ride. I've worked with suspension since the 70s, and can do exactly what I want, with shocks / geometry / construction. I've made a lot of AFs / had a few, and am over them. Not that they aren't an incredibly cheap / easy way of keeping use of favoured old engines, what with fools that can't do basic 4t maintenance being so thick on the ground.
I've a better (to me, it's ever so slightly more progressive) geometry to the PDS than the KTMs - I've just checked the 17 2ts, and I feel my geometry of the shock is more progressive than those, and, I've an adjustable lower shock mount to boot for further changes, and, as I said, an TTX Ohlins, is a wonderful thing.
As an example, these mounts have Two different leverage ratios , and easily adjustable ride heights. I've all the std swingarm / linkage / subframe / airbox set aside that can be put back on in under an hour - No Butchering has taken place to any original parts. There's actually 4x 8mm bolts that hold the mount on, 2 from the top that you can see, two from the bottom at the rear :
Even with the re-do of the swingarm, and a whole new airbox, it comes out at about 5 / 6 lbs less in weight than the std linkage set up. If I ever make a whole new swingarm, it will be lighter again. Something to offset the extra lbs of the Panthera E start that's (hopefully) coming in a week or so. Legs are kaput, there's shitloads of cliffs that I stall / stop beside where I ride, so I need / dream of a magic button.
Even better, is that I can use the original linkage attachment points on the frame, to be the pivot point for a center stand - I loved them on bikes I had years ago. I can imagine readers here freaking out (even more) now.......
We, my brothers and I, probably should have gathered them up (as Dad indicated we should) before he died, but we wanted them to be with him - he loved them so much, and spent his time in his huge workshop with them.
His last 'consort', didn't tell us (his family) of his death for a few weeks - all of we brothers were overseas at the time with work - and in that time, much of his property 'disappeared'. Including a collection of handcrafted (mainly British) Shotguns (Purdy's, Fabri's, Holland and Hollands, and others - I'm not up on guns - nothing against them, there's only just enough of my tiny brain to deal with 2 wheels) that was valued in the area of over a couple of Million $.
Hope to get them back - not at all for the money, that's all his consort would think of them being, and turn them into - but for the bikes (and guns) themselves, which we intend to keep forever / donate to the appropriate museums.
There's another 'C' word that would best describe Dad's consort, but I try to refrain from the use of it.
So there were at least 2 complete lunatics (far above / below the average lunatic Sidecarcrosser) , but luckily, separated by the Atlantic.
I'm with you with the simplicity of the pds, I think that simplicity is often better but is currently overlooked, do we the masses of charging round a muddy/dusty field masses really need a bike fit for SX or MXGP????
Anyhow that's for another thread, let's keep this thumper thread on track.
That alloy frame TTR mini posted by mx836 looks trick, what's the back story, is it a BBR???
I have a photo of a 1000cc Folan v twin powered EML sidecar at home, il post it later, it was at Langrish, the track I mentioned above about 15 years ago, they managed half a lap before a BIG crash resulting in a broken leg I think, long time ago now.... I wanted to buy it but no idea what happened to it, it went to mainland Europe I think.....
You can find full build pictures of this, showing the engine cases being machined and the special internals.
Pit Row
And, in use:
He did several Six Days, and on some very trick Honda 4ts with a few of them. Very trick as in looking to be full on works bikes, with completely different Frames / Coke Bottle type Swingarms / Plastics etc - but this is all I've been able to find on the 'net of him and an XR.
I think I might have this Jersey he's wearing, or one that he used in the Elba Six Days ( this pic may be from it?). I welded protection rails / loops into Murray Watts (Honest Muz) Husky CR125 he used ( I think it was the Elba Six Day - it's a long time ago). I basically replicated the type of engine protection the WR Huskies used at the time for him. He traded Gerrit for a Jersey, and gave it to me as thanks. It's languishing in a drawer somewhere, probably moth eaten. Must try to find it one day, though I've never been big on rider regalia nor autographs.
ultra short wheelbase, radical cam, terrible carburetor, marginal ignition, a handful but very fast for the time, just before 2 stroke Husky and CZ 250's.
I ride it a couple times a year .....Fun fun fun....
Maybe for some of our crazy British friends. A dutch guy is selling all his Vermati bikes!
That's a nice KX250F! That the bike Huntley did with the TMR motor mods a few years ago?
Insert drool....
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