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Thomas I didn't recognize the Bosch pump right off, You are correct though I believe. The 4 plunger Bosch pumps are $$$$$$$SUPER EXPENSIVE$$$$$$. Very fine units. I have run the 4 cylinder mechanical version on gas cosworth powered race cars. The pump is like another little engine feeding the main one! 20 years ago, I believe the PUMP alone was $4800.00! The system ran very well, but then it should have for what it cost.
Bill Jepson
-----Original Message-----
From: rotary.thjakits@gmail.com
To: flyrotary@lancaironline.net
Sent: Sun, 18 Mar 2007 6:57 AM
Subject: [FlyRotary] Re: Jet-A
Well,
I think Bill wants to use the Siemens system.
This is a Bosch 4-plunger - I think here every injector has its own Pump (plunger)
The newer systems run like a regular EFI - one pressurized rail and the injectors control the fuel...
However this guy treats a Diesel injection pump overhaul like it is a oil-change!! :)
"And voila, we're done. All we have to do is bolt it into ......" :)))
Thomas J.
On 3/17/07, Charlie England <ceengland@bellsouth.net> wrote:
WRJJRS@aol.com wrote:
> In a message dated 3/12/2007 4:24:30 PM Pacific Standard Time,
> rotary.thjakits@gmail.com writes:
>
> Well, then you should get the newest of the new - emissions and all!!
>
> Thomas
>
> Thomas,
> Many of the German cars are now meeting high emission control levels.
> They were late to the table emissions wise but have hit it with a
> vengence. I heard that in the Ruhr valley that they were forcing
> alternate day use the smog was so bad. (even plates on even days, odd
> plates, odd days) I don't know about current levels. The Audis were
> first to use the Siemens system, they are a bit more adventurous than
> Merc. I believe D-B is developing their own system in cooperation with
> Bosch. The Siemens injectors are piezo driven and have a phenomonal
> response time. They also can run with lower lubricity gasoline. I
> believe several Japanese cars also use the system under license. The
> thing is you need the injectors, the pump, (a new lightweight pump BTW),
> the plumbing and a control signal. I think Tracys unit will be able to
> drive these injectors! For emissons the profiles are very carefully
> developed. We won't need anything near that close, not needing to meet
> those standards.
> Bill Jepson
Just stumbled across this site; Is this the pump for the Siemens injection?
> http://contrails.free.fr/engine_bosch_ve_en.php
Charlie
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