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500 in 380, benzinepomp? : Techniek

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500 in 380, benzinepomp?

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500 in 380, benzinepomp?

Berichtdoor Karaca19 » 16 jun 2015, 00:08

Beste leden

in mijn verkochte 380SEL heeft mn kennis een type 1 500 gebouwd. Nu start hij op remmenreiniger maar blijft niet lopen.
De 380 heeft enkele pomp, 500 heeft een dubbele pomp hoorde ik van hem
Zou dit de reden kunnen zijn van het niet lopen?

Mvg, Kadir
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Re: 500 in 380, benzinepomp?

Berichtdoor Leeflang » 16 jun 2015, 00:40

Alle serie 1 uitvoeringen hebben 1 pomp, de meeste 6 cilinder uitvoeringen van serie 2 ook, de andere serie 2 uitvoeringen hebben 2 pompen (de carburateur- en dieselversies buiten beschouwing gelaten).
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Re: 500 in 380, benzinepomp?

Berichtdoor Wimada » 16 jun 2015, 06:52

Serie 2 ingebouwd dan lijkt me ?
Gr. Wim.

Vroeger had ik een hekel aan trouwfeesten met familie, elke keer weer ooms en tantes die me
een por in mijn zij gaven en zeiden: nu jij he?
Ze zijn ermee opgehouden toen ik bij hen hetzelfde deed op begrafenissen!
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Re: 500 in 380, benzinepomp?

Berichtdoor ElGriffo » 16 jun 2015, 07:38

Op 1 pomp moet ie prima lopen , zal eventueel bij vol gas iets te kort kunnen komen
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Re: 500 in 380, benzinepomp?

Berichtdoor Wasibi » 16 jun 2015, 10:50

Bij pompen in serie verdubbelt de druk terwijl de opbrengst gelijk blijft.

De druk wordt bepaald door een drukhoudventiel in de spinnenkop of drukregelaar aan het einde van de benzinerail bij electronische injectie.

Dus 1 pomp @ 5bar geeft bijvoorbeeld 10L per minuut.
2 pompen in serie @ 5 bar geven ook 10L per minuut.

Je zou als je de brandstof toevoer knijpt 10 Bar kunnen krijgen terwijl de max druk per pomp 5 bar is.

Het voordeel is als je pompen in serie zet dat de belasting per pomp halveert en daardoor de opbrengst gelijkmatiger wordt. wellicht heeft het er ook mee te maken dat het rollenpompen zijn, dit geeft drukpulsen in je systeem.
Bij 2 pompen zal dit ook minder worden.

Waarschijnlijk zit dit achter de filosofie om 2 pompen te gebruiken.
Bij electronische injectie is de druk 2,5 a 3 bar dus zal het 2 pompen verhaal niet nodig zijn en gebruikt men centrifugaal pompen.

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Re: 500 in 380, benzinepomp?

Berichtdoor Karaca19 » 18 jun 2015, 04:50

Ik heb dit aan hem doorgegeven
Dank voor de reactie's

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