Moto-Dynamix New Zealand-built bike

[Shaun Harris]

I am working on a new! New Zealand built bike at the moment, this morning I recieved a photo of how the whole deal will look completed, with body work etc, and it is trick!!! And there is a very professional organisation in place to mass produce the chassis kit for me!

The design has been going on since May last year, and the first and only one, has been ridden tested on the roads in the UK, just before I went from the UK to the TT- YES, it is FFFFFFFuuuunnnnn AWSOME, and very easy to ride fast!

We have built the first one around a ZX10 Motor, as they are so cheap to buy, but are also looking at 5 other motor designs to fit the same basic package, for individualls choice.

Suspension on the test rig at the moment is Ohlin,s suspension, but when the originall bike arrives here for further testing, I will asking Robert T, to build a few different spec shocks, to see if we can make it better than it already is, Shocks? Yea, 1x front end 1x rear end!

We will also be testing using the Penske shock as well.

It will be a while untill I can release any photo's, but will do, as soon as I can.

But ye ha, a Kiwi Built bike again:eek:

[Colapop]

The new Britten, huh? Good work that man...

[sAsLEX]

But ye ha, a Kiwi Built bike again:eek:

:wari::wari::wari::wari:

Maybe avoid pink as a colour choice!?

[Tony.OK]

Sounds like you will need a heap more employees with all your stuff you got goin on....................................mmmmmm wonder if the mrs would move to Taupo:blink:

[onearmedbandit]

Looking forward to this one.

[imdying]

This will be potentially available as a kitset for the suitably insane?

[skelstar]

Wow cool. Here's to thinking outside of the box (again kinda).

[Shaun Harris]

This will be potentially available as a kitset for the suitably insane?


Yes Sir, I want as many on the track and road as possible

[Mental Trousers]

:wari::wari::wari::wari:

Maybe avoid pink as a colour choice!?
Scared of having your sexuality challenged?? If a pink bike wins then nobody can call it gay.

[xwhatsit]

Shocks? Yea, 1x front end 1x rear end!

Hub-centre or telelever-style?

Can't wait to see photos of this :D Best of luck to you and everybody involved:first:

[Shaun Harris]

The new Britten, huh? Good work that man...

If I could be half as clever as John and his crew over the years, I would be a very happy chappy

I cannot say to much about it as yet, due to legal reasons, design time contract etc, another part of the legal contract is photo's, I now have one that I could show people, if they were here in my office! but NOT allowed to copy, or post, or email, untill the FIRST FINISHED PROTO TYPE ARRIVES IN NZ.

January 08, I am allowed to start talking about it a little bit! as well as, I had not had a chance, to be able to talk with Robert Taylor, Ohlins NZ, about a few points relating to this bike and the New Zealand customer for it and suspension needs, which we both under stand well, due to our years of work in this world

AGreee to differ as we do:woohoo: I am extremelly pleased to say that Robert and Moto-D will be working together very closely on it, with set up base development of the suspension package, ( Dam Dyno's:Punk:) whether you the cuctomer choose Penske or Ohlin's for your bike.

The first bike, is based on the first one I rode in May 07, the photo I now have, is the version of my requests after the test ride session on UK roads back then, and the one and only to arrive here in March? will be the base bike, for me to finish Body work Style, and fine tune either Ohlin's and Penske Shocks for the bike.

So, March is when all production costings contracts etc will begin, and my aim is to have a professional NZ Built bike availlable as a track day bike by the end of July 08 For track day use to start with for sale/lease, and then continue on with the road legal version.

:Punk:

[skidMark]

Sounds like you will need a heap more employees with all your stuff you got goin on....................................mmmmmm wonder if the mrs would move to Taupo:blink:

I tried but i cant get a job there cus i have no license

mutter mutter courts and cops mutter mutter.

[skidMark]

This will be potentially available as a kitset for the suitably insane?


OooOOOoooooooOOOooo

:D sounds like my kinda toy.

get the magazine each week with a part? lol

[Sensei]

This will be very Kool alright & look forward to the running bike . :niceone:

[imdying]

Hub-centre or telelever-style?Would love to know this too, been lusting over some hub centre stuff recently.

[DEATH_INC.]

Would love to know this too, been lusting over some hub centre stuff recently.
Have a peak at this, no where near finished, but this is something one of the 750 turbo boys is doing....
http://750turbo.com/forum/viewtopic.php?t=5801

[Kickaha]

Have a peak at this, no where near finished, but this is something one of the 750 turbo boys is doing....
http://750turbo.com/forum/viewtopic.php?t=5801

That is a seriously cool project

[imdying]

Now that dudes a hardout mofo :eek:

[DEATH_INC.]

This thing....whatever happened to it?
The design is fairly different though, it looks like forks wif a shock in between....
http://www.motoczysz.com

[jrandom]

This thing....whatever happened to it?

There was a documentary on Sky recently about the Motoczysz development effort - they just started their first serious on-track testing in Q3 2007.

[DEATH_INC.]

There was a documentary on Sky recently about the Motoczysz development effort - they just started their first serious on-track testing in Q3 2007.
Yeh, dammit didn't know it was on till I saw it on the site today....didn't record it did ya?

[xwhatsit]

I seem to remember the Motocyszs (??spelling) had single shock up front, the forks were just tubes to hold the front wheel on basiclly with the single shock mounted just under the triple clamp, in the centre. Similar design perhaps?? it seemed to work well for (BSB and Motogp rider cant remeber his name), when he tested it.

Sounds very similar to BMW's telelever system, which is a marvellous looking piece of kit that I must try one day. Much of the benefits of hub-centre steering (no fork dive under braking, fer'instance) without some of the issues that plague it (vagueness in steering due to complicated steering linkages that wear quickly).

[DEATH_INC.]

No, it's much simpler than that (I caught the doco today :) ) it's a pair if forks with Linear bearings and a shock mounted between them, from a bracket basically on the front gaurd (but slightly behind the forks) up to the bottom triple clamp.
The telelever uses a pair of 'forks' too, but they pivot at the top and have a large triangular arm from the front gaurd area back to the frame, the shock sits on top of this.
I suppose they are sorta similar in that the shock is in a similar position on the bike and the forks do nothing in the spring/damping department....

[k14]

Yeah I caught the end of this mornings episodes. Never heard of it before, good on them but unless they've got boat loads of $$ behind them they prob won't go far.

Isn't it pretty much the same as the britten? Cept that had 2 shocks for the front wheras this just has one?

[bugjuice]

that sounds f'in awesome shaun.. hope you're documenting everything, for the movie later!!

I'll be watching with baited eyes.. :eek:

[HenryDorsetCase]

Is one of the options you are looking at for say a single cylinder 450CC MX motor, or something like a DRZ400 motor?

Reasons for asking is that I have no real illusions about what I can and can't and do and don't want to ride on a track, and right up there is anything powered by a 1000CC supersports engine. I imagine myself getting highsided stupid out of the first corner and think, "not so much".....

Obviously the price would have to be the same, but on a tight track (like Ruapuna or Levels) you could keep them honest in the twisty bits till they piss off down the straights.

[cowpoos]

No, it's much simpler than that (I caught the doco today :) ) it's a pair if forks with Linear bearings and a shock mounted between them, from a bracket basically on the front gaurd (but slightly behind the forks) up to the bottom triple clamp.
The telelever uses a pair of 'forks' too, but they pivot at the top and have a large triangular arm from the front gaurd area back to the frame, the shock sits on top of this.
I suppose they are sorta similar in that the shock is in a similar position on the bike and the forks do nothing in the spring/damping department....
so there is no linkage or linkage type system?? just a spring and a damper? or is the damper mounted else wear?

[Kornholio]

I seem to remember the Motocyszs (??spelling) had single shock up front, the forks were just tubes to hold the front wheel on basiclly with the single shock mounted just under the triple clamp, in the centre. Similar design perhaps?? it seemed to work well for (BSB and Motogp rider cant remeber his name), when he tested it.


There was a documentary on Sky recently about the Motoczysz development effort - they just started their first serious on-track testing in Q3 2007.

Funny that.... just watched the doco on sky this afternoon

Jeremy McWilliams was the rider, well the guy that thought up the bike did a bit of riding himself

Good luck Shaun, Im sure your bike will be an ass kicker :spanking:

[sAsLEX]

so there is no linkage or linkage type system?? just a spring and a damper? or is the damper mounted else wear?

Would be similar to a rear shock..... could even use the same if designed right!

[FilthyLuka]

Yay! Kiwi made stuff!

Now scale down that frame, throw in a suzuki dr250 donk and sell it as a "sports styled 250," you'd make MILLIONS!

But seriously, we could use some home grown 250's on the market...

Just my 2c

[GSVR]

Really great that Moto-Dynamix is doing this and I look forward to seeing more about this bike as the information is released.

All this talk of centre hub steering and non conventional front ends reminded me of a photo I took years ago at a Motorshow in Sydney. The race bike in the background gives away around what year it was. Take note that this was only a concept bike but some of the styling seems to have made its way onto some later Suzuki models.

Only one production motorcycle has ever used a swingarm front end according to here:
http://en.wikipedia.org/wiki/Suspension_(motorcycle)

Good explaination of the difference between DuoLever and Telelever suspension too. Reference to the Britten.

[Sanx]

Only one production motorcycle has ever used a swingarm front end according to here:
http://en.wikipedia.org/wiki/Suspension_(motorcycle)

Robert Taylor would have a field day with that article.

[boomer]

The race bike in the background gives away around what year it was.


One of Barry Sheenes' RG500's from '76/77 !?

[Cache Wraith]

I am working on a new! New Zealand built bike at the moment

you're the man!:niceone:

Can't wait for the photos!:2thumbsup

[GSVR]

One of Barry Sheenes' RG500's from '76/77 !?

I actually thought it was a late 80's early 90's GSXR.

[onearmedbandit]

Yeah looks like a GSXR750'R' K model.

[DEATH_INC.]

so there is no linkage or linkage type system?? just a spring and a damper? or is the damper mounted else wear?
No linkage, the shock is the same as a rear....

Isn't it pretty much the same as the britten? Cept that had 2 shocks for the front wheras this just has one?
No, pretty sure the britten used a hossak type front end (could be wrong about that though...)


Sorry for stealin ya thread Shaun....

[Pixie]

Sounds very similar to BMW's telelever system, which is a marvellous looking piece of kit that I must try one day. Much of the benefits of hub-centre steering (no fork dive under braking, fer'instance) without some of the issues that plague it (vagueness in steering due to complicated steering linkages that wear quickly).

The Hossack/Fior (marketed as Duolever by BMW) separates completely the suspension from steering forces. It was developed by Norman Hossack though used by Claude Fior and John Britten on racebikes. Hossack himself described the system as a 'steered upright'. In 2003 BMW announced the K1200S with a new front suspension that is based upon this design.

....credit where credit's due

http://www.hossack-design.co.uk/php/page.php?p=1

[FruitLooPs]

Soo i'm dredging this up, I was curious about the Motoczysz front forks design which by all accounts was quite a sexy bit of kit.

Then I search here and find a kiwi bike offering in the making using what sounds like a similar setup, cmon Shaun months have passed I wants pictures! :headbang:

Whats the deal with these crazy forks on that motoczysz anyhow, flexing and what not sounds mighty unconventional to me (granted I have NFI about these things). Robert Taylor, what say you, is this the future direction of front suspenders?

[Shaun]

Soo i'm dredging this up, I was curious about the Motoczysz front forks design which by all accounts was quite a sexy bit of kit.

Then I search here and find a kiwi bike offering in the making using what sounds like a similar setup, cmon Shaun months have passed I wants pictures! :headbang:

Whats the deal with these crazy forks on that motoczysz anyhow, flexing and what not sounds mighty unconventional to me (granted I have NFI about these things). Robert Taylor, what say you, is this the future direction of front suspenders?


Just noticed this, sorry for slow response. The whole Moto-Dynamix programme has been changed, ACC will not let me go back to full time work as yet ( Months away they say) So the Moto-Dynamix NZ bike, is on HOLD, untill I can do full time management etc

[Robert Taylor]

Soo i'm dredging this up, I was curious about the Motoczysz front forks design which by all accounts was quite a sexy bit of kit.

Then I search here and find a kiwi bike offering in the making using what sounds like a similar setup, cmon Shaun months have passed I wants pictures! :headbang:

Whats the deal with these crazy forks on that motoczysz anyhow, flexing and what not sounds mighty unconventional to me (granted I have NFI about these things). Robert Taylor, what say you, is this the future direction of front suspenders?

Well...people have been writing off telescopic forks for decades. In the ultimate testbed of suspension many radical designs have come and gone but have offered no night and day improvement. Maybe there is too much conservatism, who knows....

[Mental Trousers]

Whats the deal with these crazy forks on that motoczysz anyhow, flexing and what not sounds mighty unconventional to me (granted I have NFI about these things). Robert Taylor, what say you, is this the future direction of front suspenders?

The Motoczysz front end still has forks but instead of the springs and damping being inside the forks it's all done with a shock (very similar to rear shock in a monoshock chassis) mounted between the forks. It uses roller bearings inside the forks and the whole assembly is very rigid with very low stiction.

The problem with that sort of system is that there is virtually no feel - the rider can't tell what's happening when he braking etc. Flex = feel. So they design in flex. Because they design in the flex they have total control over how much feedback the rider gets etc.

One of the main reasons for how great the front end feels is actually the engine. With the vast majority of bikes around the crankshaft lies across the bike. The MotoCzysz has the crankshaft running along the bikes centre line. That's not the unusual part though. The engine is split in 2 with each crankshaft rotating in a different direction. This has the effect of cancelling out any affect the engine has on the chassis.

In most bikes, when you throttle off a part of what makes the bike dip at the front is the torque reaction of the engine slowing. That's just 1 of the effects the engine has on the bike. Also, torque reactions are happening thousands of times a second (eg each power pulse from the engine) so putting that lot into the suspension isn't helpful. Remove those and you've removed a very annoying force that people don't notice until they're not there, freeing the suspension to deal with what it's meant to.