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Wal Phillips injector #311918
05/06/10 5:43 pm
05/06/10 5:43 pm
Joined: Oct 2003
Posts: 3,695
Emsworth, sunny south of Engla...
D
dave jones Offline OP
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dave jones  Offline OP
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D

Joined: Oct 2003
Posts: 3,695
Emsworth, sunny south of Engla...
Whatever happened to these things? I was reading an old mag from the 60s and it had an article about them replacing carburettors to good effect. I don't want one, just curious.
Dave

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Re: Wal Phillips injector [Re: dave jones] #311919
05/06/10 6:08 pm
05/06/10 6:08 pm
Joined: Nov 2005
Posts: 743
Reading UK
twinspin Offline
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twinspin  Offline
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Joined: Nov 2005
Posts: 743
Reading UK
I don't know what happened to them but I remember seeing adds for them and actually saw one or two fitted. They looked pretty crude affairs with a butterfly valve and seemed to be directly connected to the fuel tap without a reservoir from memory so there was probably some metering linked to the throttle. I think they worked though.


1971 T100R
1970 T120
Re: Wal Phillips injector [Re: dave jones] #312024
05/07/10 8:31 am
05/07/10 8:31 am
Joined: Jan 2009
Posts: 872
QLD, Australia
R
RetroRod Offline
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RetroRod  Offline
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R

Joined: Jan 2009
Posts: 872
QLD, Australia
Originally Posted By: dave jones
Whatever happened to these things? I was reading an old mag from the 60s and it had an article about them replacing carburettors to good effect. I don't want one, just curious.
Dave


Hi Dave,

I can remember a fella fiddling around with one of these on a TR6 in the mid-sixties. For whatever reason they never did catch on. RR


'72 Bonneville
"He who praises you for what you lack wishes to take from you what you have." - Don Juan Manuel
Re: Wal Phillips injector [Re: RetroRod] #312064
05/07/10 1:42 pm
05/07/10 1:42 pm
Joined: May 2005
Posts: 3,849
ohio
shel Offline
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shel  Offline
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Joined: May 2005
Posts: 3,849
ohio
There has been a little discussion here from time to time about them. A quick search turned up this.
http://www.britbike.com/forums/ubbthread...=true#Post55864


When given the choice between two evils I picked the one I haven't tried before
Re: Wal Phillips injector [Re: shel] #312071
05/07/10 2:49 pm
05/07/10 2:49 pm
Joined: Sep 2006
Posts: 205
Rhode Island
cabletech Offline
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cabletech  Offline
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Joined: Sep 2006
Posts: 205
Rhode Island
This is what it looks like.




1983 Husqvarna WR430
1973 T150
1974 T150
1975 T160
1975 T160
I'm now a triple Freak!
Re: Wal Phillips injector [Re: cabletech] #312090
05/07/10 5:55 pm
05/07/10 5:55 pm
Joined: Jan 2008
Posts: 1,114
Noblesville, IN
Jack Adams Offline
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Jack Adams  Offline
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Joined: Jan 2008
Posts: 1,114
Noblesville, IN
Looks like Old Wal was rather loose in his use of the term"fuel injector". Jack

Re: Wal Phillips injector [Re: Jack Adams] #312094
05/07/10 6:24 pm
05/07/10 6:24 pm
Joined: Jul 2001
Posts: 12,962
Central Virginia
Lannis Offline

Life member
Lannis  Offline

Life member

Joined: Jul 2001
Posts: 12,962
Central Virginia
It wasn't really an "injector" ... it just dribbled metered fuel into the venturi and off you went.

Good for drag-racers and hillclimbers, and some speedway bikes had them. If you look at the operation, it was good for constant full throttle and almost nothing else ....

Lannis


I stopped believing for a little while this morning. Journey is really going to be upset.
Re: Wal Phillips injector [Re: Lannis] #312102
05/07/10 7:15 pm
05/07/10 7:15 pm
Joined: Sep 2005
Posts: 5,963
NL
G
Ger B Offline
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Ger B  Offline
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G

Joined: Sep 2005
Posts: 5,963
NL
I forgot where I read it, but it was an old article, describing it as a pre carburettor fuel / air mixing device for stationary petrol engines running on a more or less constant load.
It is certainly not an injector. An injector is a pump and nozle device. This is not.
So if an injector is called an injector because it injects, this could be called a dribbler.


Ger B

Re: Wal Phillips injector [Re: Ger B] #312105
05/07/10 7:29 pm
05/07/10 7:29 pm
Joined: Feb 2008
Posts: 4,510
New Jersey USA
Tridentman Offline

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Tridentman  Offline

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Joined: Feb 2008
Posts: 4,510
New Jersey USA
Lannis hit it on the head.
Wal Phillips if I remember correctly was a speedway rider/manager in UK in the 1960s.
He originally developed the WP Injector for speedway bikes.
Hence no real importance placed on part throttle operation, idling or gas economy but every emphasis on flat out power.
HTH.


Moderated by  John Healy 


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