Did some one tryed to use the motorcycle shock absorbers with other springs

There are some Haynes Roadsters in Poland with bike shocks (mainly Yamaha R6/R1 and similar) and driver are pleased.

Personally I will use bike shocks as they are cheaper and easier to get... something like FZ6 or FZ1 is even cheaper than R1/R6 and should be little softer...

Do you knew if they canged the springs or did they make it with triangular mount like it is on bike
Reguards Bostjan

Bike shocks designed for monoshock rear linkages typically have quite limited travel and extremely high rate springs (and therefore very high damping).

As an example this spreadsheet shows a list of rear shocks on some pretty common bikes. The stroke varies between about 53mm and 74mm and between 400 and 700 inches/lb spring rates.

Not really suitable for a conventional double wishbone or live axle Locost suspension, but could be used with a rising rate push/pull rod system.

Mounted like every other shock:

I have in mind dirtbike shocks
adjustebles baound and rebound

Loony
great photo and info. this is for my project great information (low budget)

watch out as they have fitted the shocks upside down and some wont have any damping that way up

Any info on whitch one

There was a company around that put a spring platform on a mini damper - zeemerride I think. Mind you I also read that they fell apart after a while, but its something to look at.

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Originally posted by prawnabie
There was a company around that put a spring platform on a mini damper - zeemerride I think. Mind you I also read that they fell apart after a while, but its something to look at.

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Originally posted by loony
Mounted like every other shock:

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The simple answer here is if you can find a shock that is subject to similar loads, travels and stroke speeds, and is reasonably adjustable - then yes it'll probably do the trick. Don't forget to mount it in the same orientation. If you have to double the spring rate to fit it you're probably outside the best performance and are better looking elsewhere.

In 1999 when getting my car on the road, I had brand new Honda Goldwing shoxs on the back of my locost, and they lasted less than 100 miles, and leaked all the fluid, as had cracked the bottom of both shoxs

so in my view, there not up to the job, and a real waste of money on my part

Steve

We used R1 shocks on both ends of our Phoenix build. We chucked away the preload adjusting bits and machined new collars. The range of damping adjustability is huge. 250lb springs all round. The main problem is the limited travel but its not such a problem on a track only car.