Shower injectors

[Gabro]

yep, it sepends from the spray pattern
but i suppose the best place is as near as possible to the velocity stack inlet (a little submerged should be better) and not in line with the TB's bore but moved a little to the side where the butterfly rise while opening.

[Millenist]

http://www.youtube.com/watch?v=1hq_IwWxkJ4
Here is first start...as you can see its too rich and the showerpattern is 90 degrees wrong..and injectors are too high..but this was first try...still it was suprisingly fine..
And for those who are too seriously..this is all what bikes and motors mean to me...just want to try and make things..it should not be so serious..just fun to make things up and try them. Winter here is so long that you have to have something to do.... five months to ride...rest to do something else

[pbas]

Hyvää !

Looks damn cool anyway.
Good luck with your winter therapy

[theknurl]

here are real showerheads at work;
http://videos.streetfire.net/video/R...dyno_16478.htm
you have a low rpm V2 motor.....its a street bike !!

the 3 liter Renault is running 18,000 with no bottom end
check out the airbox size...for all you guys that think it matters

http://www.youtube.com/watch?v=1hq_IwWxkJ4

in your video look at the fuel on the butterflies.....nice, how do you meter that?

as for being academic/theoretical...

started at F.W. Egli in Switzerland in the 70's
go look up issue#2241 of MotoRevue, on the cover the yellow bike in the middle is ser# 'EK-900R H407Y' the H&Y are the 1st and last letters of my last name
the 4 trophies are for winning that small race, Bol 'd Or
6 World Endurance Racing Championships in a row
look at the back page Kawasaki ads on any European moto magazine from the mid '70s thats my bike not Kawasaki's! i mentioned it to Volker Rauch, the publisher of Das Motorrad, Siegfried Rauch pounded it up Kawasaki's ass in print, issue #4 1975 page 12 'Mit Fremden Federn'
we quit because there was no one left to beat, and Honda bought ALL the riders

biggest laugh...putting an EK-750 triple in the middle of the front row Formula 750 race, Hochenheim '74 with Hans Mulebach....between Bazza and Tepi... thats Barry Sheen and Teuvo Lansivouri to you. the ignition died on the start grid...i handed a blond my bag of Hasselblads, put the spark plug caps on my fingers and said 'push the scheiss stuck' nothing.... Bazza pats me on the shoulder 'tough luck mate'
after the race Bazza came over to see what went wrong, then he found out it was a street bike! and Herr Egli would not let us cut up the wiring harness, just remove the headlight and taillight, he was laughing so hard he fell down

Hans had been chasing down Tepi in practice, but not passing him.... somebody on team Suzuki saw what was going on and warned Bazza, that the Suzukis had no mid range compared to the Kawasaki, top was about the same
Jean-Paul Furstoss had made a 3 into 1, 2 stroke pipe for it and it worked! makes no sense, but it worked, the mid range hit was like getting kicked in the ass.
this was a bike, that if you came to the shop, we'd roll it out for you to ride!

we were buying HRC parts through Pops Yoshimura.... the shop, Disco Volante in Toyko owned by Aki Sawada would send them to Zurich.... his ex wife Haruko would try to drag her suitcase full of HRC crankshafts etc through Customs.....

so i came back to the States, met Joe Miller [Dan Gurney's wrench] he introduced me to the giants of racing in the US

went to see Pops.....introduced my self in Japanese
helped him put his dyno in....he sold me Z-1 close ratio trannys for $60 and Keihin CR smoothbores for $100....they went to TransAct Corp in Geneve, and you guys thought $1,500-1,700 was a deal
remember the first o-ring chain you saw [~1976] Diamond 530 grain elevator o-ring sealed chain, 250 foot rolls, order it 3 days later you have it, do i use it? nope
i use Regina Extra...have for 53 years.....

tuned for Steve McLaughlin Nat #1, OW-31
tuned for Roberto Pietri-Vargas OW-31, Suzuki SBK

worked with Don Emler, don't know the name? how about FMF? i did all the prototype pipes and all the cylinderheads for about 25 years.....we 'lost' 34 works bikes....you know the $250,000 all titanium, magnesium and chromoly race bikes.
US Customs got all pissed off because they came in without duty and got parted out.....oops
built the motors that won the Mammoth Mountain MX race 19 years in a row....its raced on the ski slopes at 10,000 feet

built the pump for the world's fastest Jet-Ski for Wade, can't remember his last name

fixed the exhaust pipe problem on Bobby Unser's antique 2.5 liter, 4 cylinder Indy car that made 1154 HP on methanol....it was the wrong material, it cost him 5 Indy car races
now everyone that can afford the right material uses it, i just knew who tested all high temp alloys made for the Air Force's afterburner problem, Louie Ecker, called him at home, he's known me since i was a kid.

wrenched on Juan Manuel Fangio's Ferrari M121 owned by Bob Sorrrell

tuned Al Unser's and Mario Andetti's Lola T-5000
also the ex Jack Brabham Cooper F1 owned by John DeLane

built 2 National Championship winning drag bikes for Russ Collins Jr did the pipes and frames

redid Bruce Penhall's speedway bike for Doug Nicol....you Brits saw him race on the American team 6 weeks after his 1st ride on a speedway bike! and some of you lost to him

worked on Konehead's blown flatbottom 'Sloopy II', world's fastest drag boat.
you think fast bikes can get you into trouble....try a blown flatbottom

worked on Russ Collins V8 drag bike.....which they outlawed before it ran, that was after the doubles and triples
ever seen the triple run? you don't even know anyone with enough balls to get on that bike

worked with Vince 'Jumbo' Jamora on the bore/stroke/rod length ratios of his 13,000 rpm PUSHROD Chevy with Buick heads....oh yeah he's the director of racing for Isky....and while playing around he built the Mr. Lincoln robot at Disneyland! met him while working in the engineering dept at HiShear Corp
sitting next to Fred Thearle...Chief Engineer of Empinage at Douglas Co. on the DC-3
and i've got airplane parts that i made, hanging in the Smithsonian's Air & Space Museum, like my father before me

as for Ducati;
why is 1 exhaust pipe 15cm longer than the other???
and they pick the pipe diameter by valve area WTF?
when George Roche was racing WSBK, he kept having catastrophic crankcase failures because of the harmonic vibration caused by the unequal length pipes...Ducati's solution....thicker cases
don't think there is a vibration? what causes so many alternator nuts to unscrew then?

how about 17 different rocker designs??? the chrome comes off
why? the idiots never measured the oil pressure AT the head.
there is about 1-2PSI @5,000rpm AT the head banjo fitting at the other end [top of the cooler] it reads 65PSI
it is because they used 'Fren Tubo' brake line for oil line!!

how come Ducatis get so few miles to the cam belts?
each belt is working only 4 valves and no springs
take your average 6 cylinder 24 valve car...the belts will go 70,000 miles and thats 24 valves WITH springs
only 2 things make belts wear rapidly
misalignment and or wrong tension which is it?

if the 'engineers' at Ducati had any brains they would have asked Weber what size throttle bodies they should use
its the only formula that Weber ever gave out;
venturii diameter= 0.8 X the square root of the engine size in liters X RPM divided by the # of cylinders.....this is for sports cars, you go bigger on bikes

heres one for you;
http://www.ozebook.com/riders/riders.htm
click on any letter
i built the bike

Noel-theknurl

[intune]

that's an impressive history.

[RSV AHH]

Originally Posted by intune

that's an impressive history.

It's more than impressive. I'm actually honoured to have dealt with him.

Noel, you know where I live (which city I'm in), if u ever visit my city please contact me via pm or email. I want to buy u lunch and just listen to your stories!

[JAndrewG]

Noel, thanks for the great post. The video of Renault's F1 motor is just...spine tingling. I've marked it so I can listen over and over again...

[pbas]

Ok it's getting ot but I cant help it.
The response in these engines is quite impressive...

http://www.autoblog.com/2006/09/28/v...ave-the-queen/

[theknurl]

pbas;
i saw that one too but the one i posted showed the showerheads in action standoff and all

Noel-theknurl

[usthomsen]

Originally Posted by theknurl

go look up issue#2241 of MotoRevue, on the cover the yellow bike in the middle is ser# 'EK-900R H407Y' the H&Y are the 1st and last letters of my last name
Noel-theknurl

H&Y= Theknurl?

I don´t get it

[theknurl]

Ulrik;
H&Y= theknurl....its a national security, issue can't tell anyone, sort of like the ECU encryption and the passwords
http://www.apriliaforum.com/forums/i...ilies/wink.gif

Noel-theknurl

[catch2otwo]

im agreeing with the knurl. it doesnt make sense that you'd make more hp with all the fuel just dripping all over the butterfly. thats wasted fuel. and when going to high rpms, whats all the stuff being blown back out of the tb stack? fuel?

[Feffman]

Several of my Lotus Esprit had a secondary injection system that kicked in at high RPMs for what Lotus termed overboost. It worked great by atomizing the fuel before the throttle bodies.

The biggest improvement to smooth operation and better performance, was replacing the primary Rochester sourced injectors (compliments of a Pontiac Grand Am) with RC Engineering's (www.rceng.com) disc type injectors. HUGE improvement. You may want to try their injectors.

Feff

[ansatsusha]

Knurl...I am working on yet another 1/4 miler / lakes project. Looking at 230+hp on gas with a dry weight of 320...no boost. It's funny I caught you in here..of all things chatting about injection. I'll be sending my dual injection set up to Dad for heavy modification...like getting rid of all the street crap ie: second butterfly. Probably disable one set and run RC310's as primary with the seond set on hold for a little spray if I want both the N. A. and boost records...we think we can get both records without boost. Wouldn't that be sweet?

Success is the best revenge!

This year it's the Pro Street record, both limited and unlimited. I may need your input.

[amauri]

RC Engineering has been mentioned numerous times in these injection posts.
Also mentioned is that the physical size of their injectors will not fit the late model RSV TB.

They may fit the older TB with the ND injectors but the new TBs use a much slimmer and longer design injector.