ESE's works engine tuner

[speedpro]

Hell, I stand to benefit from such a rule change yet I still don't want it!

In the end you don't stand to benefit which is the point that needs to be made. the 24mm carb restriction is not the limiting factor in the end. With little or no mods, or poorly done mods, then a bigger carb "may" give you more power, but at the end of the day if everything is done right then the carb is not going to be what stops you making more power. On top of that the engines the rule applies to all have suspect cranks, sub-standard gearboxes, and poor design cylinders. All are fixable before you need to start worrying about the carb, which isn't a problem.

[jasonu]

I hope Mike isn't sitting there giggling at a successful windup

Na, it's on the internet so it must be true...

[richban]

Na, it's on the internet so it must be true...

Heard the one about air cooled 4 strokes going to a 190cc capacity limit to have a change against the 30hp 2 strokes. Got until the 25th Of Feb for submissions to MNZ.

[speedpro]

Geez, that'll be a bitch. Will you sleeve yours down or destroke it?

[jasonu]

Heard the one about air cooled 4 strokes going to a 190cc capacity limit to have a change against the 30hp 2 strokes. Got until the 25th Of Feb for submissions to MNZ.

As far as I know, no 2 stroke has cracked 30hp (YET!!!)

[richban]

Geez, that'll be a bitch. Will you sleeve yours down or destroke it?

Nearly spat my coffee all over my keyboard. Nice one. I was thinking of just taking it up to a 250.

[koba]

In the end you don't stand to benefit which is the point that needs to be made. the 24mm carb restriction is not the limiting factor in the end. With little or no mods, or poorly done mods, then a bigger carb "may" give you more power, but at the end of the day if everything is done right then the carb is not going to be what stops you making more power. On top of that the engines the rule applies to all have suspect cranks, sub-standard gearboxes, and poor design cylinders. All are fixable before you need to start worrying about the carb, which isn't a problem.

Would the water cooling still be more of an advantage than 25cc on a Kart track type motor?? i.e. broad power, shorter periods on full welly...

[koba]

Call then. To make it simpler here are the two to phone. I spoke to Neil.

Road Race Commission Chairman Peter Ramage 09 443 3111 a/h
Road Race Commission Neil Smith 03 5786208 a/h

Don't have a phone (really!) but I E-mailed MNZ this morn.

(I know it doesn't make sense that I'm on the internet but its wireless doesn't need a landline)

[wobbly]

Its as was said by Mike a few posts back - the aircooleds are more hindered by crap geabox ratios, crap cylinder geometry etc etc.
If it was possible to get a port/duct layout like an RGV cylinder ( even thats not a very good example) into an aircooled, the 25% increase in cubes would make it a very potent machine.
And as I said, if its possible to get 44RWHp from the kart engines using a 30mm carb,crap fuel and an analogue straight line ignition, then using a 24mm carb and trick shit ignition, is going to get 30+ RWHp easy, with good ports.

[TZ350]

IMO the biggest thing that limits MOST of the 125 aircoolers is putting high HP engines like Tzees 125 into uncompetitive chassis that don't do the motor justice. Not to point the finger but a prize example of this is TZ350's bike (sorry mate). He has most likely the best 125 aircooled motor but is running it in the heavy and uncompetitive GP chassis. If that bike was 20kg lighter and more (rs125) racey...

Your right about the original 96kg GP chassis, they had pretty much come to the end of the road, handling wise and a RS chassis would be the Bees Knees if I could fold up enough to fit onto one. Currently there are two RS chassis in Team ESE, Buckets4mes and NedKellys.

My FZR (3LN rolling chassis) weighs much the same as the old GP but handles much better and is comfortable to ride. Chambers FZR with the wire wheels, lighter rear calliper and other refinements is down to 83kg with a dash of fuel and with a lighter rider like Av or Chambers it sure looks the part.

Chambers FZR lightened rolling chassis is not quite as light as an RS but it's light years ahead of the GP's in weight and handling and more comfortable for me to ride than the RS's.

NedKelly will probably get my old 27hp engine or something else for the new season, and Buckets will get an upgrade too so it will be interesting to see how the old GP engines with a bit of hp go in RS chassis.

And I hear Av has got herself an RS chassis and GP engine to build a superduper Bucket with, and if/when that hits the track it should get interesting .............

[Yow Ling]

Your right about the original 96kg GP chassis, they had pretty much come to the end of the road, handling wise and a RS chassis would be the Bees Knees if I could fold up enough to fit onto one. Currently there are two RS chassis in Team ESE, Buckets4mes and NedKellys.

My FZR (3LN rolling chassis) weighs much the same as the old GP but handles much better and is comfortable to ride. Chambers FZR with the wire wheels, lighter rear calliper and other refinements is down to 83kg with a dash of fuel and with a lighter rider like Av or Chambers it sure looks the part.

Chambers FZR lightened chassis is not quite as light as an RS but it's light years ahead of the GP's in weight and handling and more comfortable for me to ride than the RS's.

NedKelly will probably get my old 27hp engine or something else for the new season, and Buckets will get an upgrade too so it will be interesting to see how the old GP engines with a bit of hp go in their RS chassis.

And I hear Av has got herself an RS chassis and GP engine to build a superduper Bucket with, and if/when that hits the track it should get interesting .............

RS frames they stacked 10 high in peoples sheds
Honda made 1000 of them in the first year, only any good for buckets now !

[Buckets4Me]

RS frames they stacked 10 high in peoples sheds
Honda made 1000 of them in the first year, only any good for buckets now !

well if you find some spare can you let me know as I would like another rolling frame
thanks

I have 2 boys coming of age and they would like to have a bike each to ride

[jasonu]

RS frames they stacked 10 high in peoples sheds
Honda made 1000 of them in the first year, only any good for buckets now !

That was a few years ago now. I ( and probably so do you) know a guy who bought 2 1/2 RS rolling chassis for $700 in the late 90's. Now you pay that much for just a pair of RS wheels if you can find them.

[TZ350]

.
Wobbly has sent me drawings for the RGV H2O 100 in Reed and Rotary Valve configurations.

I am planning on using what I have about the place, so it’s a TF100 bottom end for the case reed motor and a GP100 for the rotary valver.

But I am tempted to ask Wobbly to put some details together for a 125 aircooled rotary valve version based on the old GP125 instead as the GP’s have been such good friends and I rather like them.

[kel]

.
Wobbly has sent me drawings for the RGV H2O 100 so it’s a TF100 bottom end for the case reed motor.

Hasnt Green already tried the TF RGV conversion?

Regarding the 125 - We have a family friend who is a CNC engineer/operator, he's going to machine a block of ally to form the ideal transfer ducts (based on the RSA of course) then we'll glue them into the side of the cylinder. Of course it will be a 130cc not 125 giving me an extra 30% capacity to blow past your little 100, plus I've already bought the 32mm carb to take advantage of the latest rule change.
27hp

Oh yeah, does anyone have a spare KE125 barrel?