Ian Dawson has what must be the best ever photo of her in a facebook album
http://www.facebook.com/#/photo.php?...&id=1622289254
Ian Dawson has what must be the best ever photo of her in a facebook album
http://www.facebook.com/#/photo.php?...&id=1622289254
Ouch
10 chars
Hahah, saw that a week or so ago nearly covered the computer in coffe as soon as I saw the price. Funnyist thing I have seen in months
That photo is awsome. Man for all the opurtunities I give people to get pics of me crashing I have nothing that impressive to show
she was doing a during race wof inspection (or scrubing in the new fiberglass and paint)
wanted to see how bright the headlight was
I think it should fly threw a wof(straight over and out the other side)
this one looks much safer
http://www.facebook.com/photo.php?pi...=1256576587504
"Instructions are just the manufacturers opinion on how to install it" Tim Taylor of "Tool Time"
“Saying what we think gives us a wider conversational range than saying what we know.” - Cullen Hightower
I see Avalon isn't the only one trying that move
http://www.fatbaq.com/mainpage.phtml...tions&img_id=7
"Instructions are just the manufacturers opinion on how to install it" Tim Taylor of "Tool Time"
“Saying what we think gives us a wider conversational range than saying what we know.” - Cullen Hightower
Facebook!?!! Bunch of Gurls!
Post it in a Man's format. Bloody floral print pansies.
Don't you look at my accountant.
He's the only one I've got.
How do you start a Poll?
Does anyone else think that we should run a sweep stake on the outcome of TeeZee's plenum chamber idea.
I hear he is pretty close, maybe only days away from being able to try it out.
good idea bucketracer
.
Thomas and Alexi putting the finishing touches to the plenum and fitting a blow off plate.
Next week, hope to get the motor into the bike for a run up the drive, then off to the dyno.
.
Love the blow off valve (but dose it go wosh)
bet all the boy racers will want one now
"Instructions are just the manufacturers opinion on how to install it" Tim Taylor of "Tool Time"
“Saying what we think gives us a wider conversational range than saying what we know.” - Cullen Hightower
Love the blow off valve (but dose it go wosh)
bet all the boy racers will want one now
"Instructions are just the manufacturers opinion on how to install it" Tim Taylor of "Tool Time"
“Saying what we think gives us a wider conversational range than saying what we know.” - Cullen Hightower
Plenums and Induction Systems:- http://hemrickperformance.com/induction.aspx
An excerpt from:- http://autospeed.com/cms/title_Breat...1/article.html
"The gains available form a well-tuned intake system should not be underestimated. Pioneering work done by Jaguar on their mechanically injected racing engines showed that it was possible to gain more than 100 per cent volumetric efficiencies (VE) by using very long intake runners. This means that the cylinders actually breathed in more than their swept volume! Many manufacturers have since developed efficient tuned intake systems that give very high volumetric efficiencies. As an example, Ford in Australia developed a superb dual-length intake manifold for their straight six, a system that achieves a VE of 100 per cent at the peak torque rpm of 3000.
Power and torque gains of up to 20 per cent have been seen in some engines - and that's as much as is achieved by low-boost turbocharging!
A starting point for working out the length and diameter of intake runners can be gained from the following equations. In a Helmholtz Resonance system (one with runners connected to a common plenum), US-based engineering guru David Vizard suggests that a runner length of 17.8cm at 10,000 rpm makes a good starting point. (In this context, "runner length" refers to the distance from the inlet valve to the plenum chamber.) Add to this length 4.3cm for each 1000 rpm less that the system is being tuned for. Tuning for peak torque (not peak power) is the norm, and so if the engine were being tuned for 4000 rpm, a runner length of 43.6cm would be required. You can see that for an averagely-sized engine bay, the longer the runner that can be fitted in, the better!
Click for larger image
One equation for runner diameter is to multiply the engine volume in litres by the engine's volumetric efficiency, then by the tuned rpm, then divide this sum by 3330. The final figure is square rooted, giving the runner diameter in inches. As an example, a 5 litre engine with an 80 per cent efficiency (expressed as 0.8) and tuned for 3000 rpm, will have a runner diameter of 1.9 inches, or 48 mm.
The volume of the plenum should be around 80 per cent of the volume of the cylinders to which it is connected."
I guess you half the length for a 2-Stroke but use the same runner diameter and it looks like TeeZee's 1.5l plenum could be to big.
Found anything specific to a Two stroke there Bucketracer?
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