ESE's works engine tuner

[bucketracer]

Prof Blair on the design of an intake bell mouth:- http://www.profblairandassociates.co...mouth_Sept.pdf

Pic-01 I know its not buckets but you have to admire it:- http://www.billzilla.org/pearce.htm

Pic-02 "you can improve the flow into those by fitting a flat plate just behind the trumpet bell and rounding off the bell so that it smoothly blends into the flat plate. The reason is that most of the air comes in the trumpet from the sides on the induction stroke rather than in line from the front as you'd expect, so if the airflow has to pass over sharp lip of the trumpet it will generate turbulence. If it has a nice, smooth bump to go over then little turbulence will be generated" from:- http://www.billzilla.org/engineintro.htm#Inlet

Pic-03 Designing an elliptical inlet bell mouth, Prof Blair found that an elliptical inlet bell mouth to be best.

[TZ350]

Page 150 links collection

Page 80 of this thread has a collection of links where you can download Bells and Jennings books on 2-Stroke Tuning.........

Its easy to find out a lot about tuning strokers for yourself, and the relevant chapters of Jennings and Bells books are a good place to start..........Page 80, 90, 100 etc have more link collections

Motorcycle carburetion is fairly complex, but a basic understanding of the parts and theory involved will go a long way to simplify the processes:- http://justkdx.dirtrider.net/printcarbtuning.html

From Bucketracer…..No jet acts independently of the others but rather they work together to deliver gasoline to the engine. They do however target specific throttle openings and have the most effect in that area. http://justkdx.dirtrider.net/printcarbtuning.html

Something worth knowing about Mikuni needle and main jets:- http://www.ozebook.com/compendium/t500_files/mikuni.pdf

Mikuni Jetting parts:- http://www.psep.biz/store/mikuni_needle_jet.htm

Most of the hard starting of Mikuni-equipped bikes is caused by this right-hand syndrome.
and other good advice from here:- http://dirtbike.off-road.com/dirtbik....jsp?id=265950

Ian Williams tuning, the home of “MOTA” software and a place in Aus you can purchase carb parts.
http://www.iwt.com.au/mikunicarb.htm#

From Buckets4me…… Electric water pumps:- http://www.daviescraig.com.au/Electr...2-details.aspx

From Bert… some might find these pages useful, when it comes to sizes/product numbers of conrods and bearings etc. http://www.kevinbreedonracing.co.uk/...ts_conrods.asp

We cannot emphasise enough that you must view the engine as a complete system and not concentrate on only one aspect of it.”

From:- http://www.rbracing-rsr.com/runnertorquecalc.html
You need to know this to be able to use the calculator,
One Sqr In = 6.45 Sqr Cm and one Cub In = 16.39 CC.
Runner length calculator:- http://www.bgsoflex.com/cgi-bin/intakeln.cgi?length=7
Runner length/area comparitor:- http://www.speedwaybids.com/calcs/in...nerlength.html
Metric:- http://www.exx.se/techinfo/runners/runners.html
Plenums:- http://www.team-integra.net/sections...?ArticleID=471

Reversion Some video clips of reversion for those who are interested in such things………..sick bastards…
http://video.google.com/videoplay?do...73019926133763

http://video.google.com/videoplay?do...&q=V10+Engine#

KartWeb Tech Articles
www.kartweb.com/TechArt/2Stroke/chapter1.doc
www.kartweb.com/TechArt/2Stroke/chapter2.doc
www.kartweb.com/TechArt/2Stroke/chapter3.doc
http://www.kartweb.com/TechArt/2Stroke/chapter1-2-3.swf
http://www.kartweb.com/TechArt/2Stro...technology.htm

The inlet port on the all out race cylinder is colossal in comparison to the stage 2 cylinder on the left. This will lead to awesome all out performance.... http://sites.google.com/site/drunkmu...ylinderporting

4-Stroke but still an interesting read about inlet/exhaust tuning http://bmwmotorcycletech.info/InExTuning.htm

Speedpros posts 2225 and 2226 are worth reading and like Bucketracer said, if you want to find out more, there is plenty of links to other interesting items to read on pages 80-90-100-110-120-130 and 140.

Some of those old Team ESE posts with pictures are worth a re-visit. To find the good ones, use the “Thread Tools / Thread Images” tabs near the top of the page…….

[TZ350]

Building the new Team ESE FZR/GP bikes is like wading through treacle. It just takes forever to get anywhere. We generally only get an hour or so after work and every thing takes so long that the days just melt away.

Pic-01 the FZR-GP lowered to the bottom of its suspension travel to check ground clearance.

Pic-02 The start of the front brkt.

Pic-03 The suspension brackets get in the way of the expansion chamber. We will have to make new pipes that come further forward.

Pic-04 Showing the increased area of the ported rotary valve inlet.

Pic-05 That pesky plenum chamber, that I am looking forward to getting back to developing some more. At the moment all that can be said is, that the bike runs with it and is rideable. When the new motor is built I am hoping to run a true back to back comparison with the conventional carb and plenum setup. The new motor and bike should be ready in a month or so, fingers crossed.

Team ESE is Sooooo looking forward to the next TRRS.

[TZ350]

Photos from the Taupo 09 TRRS
I am not sure where these came from, if they are yours and would like me to add your name please PM me.


Pic-01 Rolling out from the dummy grid.
Pic-02 The Start
Pic-03 The First Corner
Pic-04 Climbing the Hill
Pic-05 NedKelly
Pic-06 Avalon on Chambers Bike

[F5 Dave]

3. Surely you would hack that pipe (?) mount off the frame (to the right of the linkage) & route the pipe up there hanging the pipe off the peg bracket perhaps? Depends how long your dwell is & with low revving you may be stuck,

or you could be tricky with the band saw & curve it to the left then right possibly behind the linkage, looks like there is stacks of room. Like my 500 (which is pretty tight probably with a smaller chassis).

[Pumba]

Dave have you taken that chunk out of the swing arm in your second phiti or is that a factory feature? Just curious thats all.

[bucketracer]

.

............ looks like there is stacks of room...............

Not as much room on TeeZee's bike as it looks. Scraped some photos of Speedpros #6 thread to show that, and his very clever solution to the problem.

[speedpro]

Pic-03 The suspension brackets get in the way of the expansion chamber. We will have to make new pipes that come further forward.

I could have told you about that little problem. That's one of the reasons I built a new pipe from scratch rather than continuing to use my old one with a few cuts. There's a bit of work weaving the pipe around or taking it forward and then back so that the fatter bit is forward of the linkage. If you have the pipe out the side at all it will scrape as the bikes handle so good you will be leaning it over further than the old one and then the pipe bangs down.

[speedpro]

Damn . . . . .

My new one exits out the back like nearly everybody else. I reconfigured the layout of the little bits of cone so it did a more forward curve. It's not ideal but it hasn't scraped yet. Maybe someone a bit keener could get it to scrape.

[F5 Dave]

Dave have you taken that chunk out of the swing arm in your second phiti or is that a factory feature? Just curious thats all.

P model RGV250 VJ22 factory fitted. They went to this after the banana arm as it was a bit bendy & heavy

[TZ350]

NedKelly fits his new programmable Igntech ignition.

Pic-01 the ignition unit, it runs from a battery and only needs a trigger coil on the flywheel.
Pic-02 using a DTI to find TDC and the max advance point.
Pic-03 marking TDC and the max advance point on the flywheel.
Pic-04 uncomfortable test ride without the seat but it fired up and ran ok.

[TZ350]

Chambers, checking out the fit of his new GP100 down-pipe with the FZR lowered to the bottom of its suspension travel. The last time we had his 100 on the dyno with the up-pipe(same design), it made 22.5 RWHP. The last photo shows there is no part of the chamber sticking out to drag on the ground.

[mud in ur eyes]

Chinese CDI unit............

I sorry, I can't remember who was looking for a Chinese CDI wiring diagram so have posted it here. I expect the pin-out is much the same for all of them.

Thomas

[TZ350]

Now boys and girls, this is a real plenum chamber blow up........ https://mail.google.com/mail/#search...7b782cc1bc27c1

[schrodingers cat]

Kart tuner certainly optimise within a tight set of regulations. If the gloves came off they would do things differently. Interesting to follow the generic basics but I wouldn't be copying an apple to build an orage