KSS Suspension dyno and Moto 3
Innovative Moto Developments (aka Moto Academy NZ) are really pleased to welcome KSS onto the project as a development partner for our Moto 3 bike.
The first step was to examine the standard Showa shock absorber from a former Moto Academy riders own RS125 using the KSS Suspension dynomometer.
It was amazing to see how the shock performed, well, better to say, didn't perform.
The response curves were so far away from what should be acceptable it wasn't funny. This shock had been 'built' by a tuning firm in Japan and was set up for very high speed flowing circuits like Suzuka, but little good for us in NZ.
Yet, our rider had gone 1:14.1 around Manfeild on this shock and standard front forks.
This allowed Dennis at KSS to get elbows deep into the shock, rework the piston, rework the valving and rework the damping systems.
This was then re-dyno'd and the new responses were compared with the more optimal Ohlins curves. The slow speed response was close to the Ohlins curve, but the design simply does not allow the Showa to replicate the Ohlins in this regard, but Dennis got it close.
The high speed curve however, very clearly matched the Ohlins curve, hugely better than it was when they started.
Hopefully our rider will soon test out the new shock and see how it matches the fork mods we have done so we can decide on further optimisation. KSS will be able to offer these modifications to other RS125 owners without the budget for aftermarket suspension.
The suspension dyno is a pretty choice piece of kit. It allows rapid evaluation and modification of suspension in the workshop, so that KSS can actually see what the suspension is doing. Along with the rider feedback that has been previously provided about the suspension performance on the road or track, KSS can change it in the workshop in the right ways that they and the rider believe will improve performance.
One of the bikes that has seriously benefited from dyno work is the Triumph 675. KSS believe that the suspension system on the 675 is one of the better ones around, BUT, the internal settings are not good and seriously undermine the good design of the system. After using their suspension dyno, KSS is now able to reset the OEM 675 suspension to provide a seriously improved response.
The second part of the KSS/Innovative Moto Developments relationship is that KSS will build and develop a brand new Ohlins TTX36 shock absorber for our Moto 3 bike, we are calling the IMD 250. This shock will not be a standard TTX36 but will incorporate brand new technological developments that are not yet available on the general market but are being trialled on Superbikes here and overseas. We will also be developing a new damping system for the Showa RS125 front forks that is based on Ohlins technology, but also not available to the general market. KSS believe that this will provide improved handling for the RS125 and the IMD250, especially.
We look forward to developing this technology and firmly recommend KSS and its new development tools to all riders and racers.
Steve Bagshaw PhD
Moto Academy NZ
Innovative Moto Developments
Inflexion Scientific
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