Gallery, Projects and General > The Design Shop
insight into V4 design and operation
andyf:
--- Quote from: cuog on March 07, 2011, 11:18:40 AM ---ACVW firing order is 1-4-3-2(both cylinders on each head fire one after the other then it goes to the other head)
--- End quote ---
Thanks for the correction, Cuog. My only excuse is the passage of 40 + years since the Javelin, which was really 1-3-2-4, and 30 years for the VW, which as you rightly say was 1-4-3-2.
:doh: Should have kept my mouth shut!
Andy
cuog:
No worries, you'll notice I said nothing about the Javelin's firing order :wack: I don't know the first thing about the car. :poke:
dbvandy:
--- Quote from: DavidA on March 07, 2011, 07:21:29 AM ---Doug,
...completely open design with ball bearings on the crank and cams...
That will make for very a interesting crankshaft.
I remember the days when replacing the roller bearing big end on a single cylinder bike engine meant much fiddling with pressed taper fits on the crank - pin and the webs.
Dave.
--- End quote ---
I think I am going to incorporate the spinning mass with the crank like a two stroke seadoo. The crank pins will be mounted directly to the two flywheels with bearing, small cam pullet and another bearing in between. I think I am going to do CDI ignition with lossy spark so I only need two coils and two CDI's.
Doug
John Hill:
--- Quote from: cuog on March 07, 2011, 11:18:40 AM ---
--- Quote from: andyf on March 07, 2011, 03:18:17 AM ---I've never owned a V4 car, but in the dim and distant past the firing order on my flat four Jowett Javelin was the same as a straight four: 1-3-4-2. My wife's 1970s VW Beetle was the same. There doesn't seem to be any reason why a V4 should differ.
I'm looking forward to watching your progress; on your current form it should be running before the end of the month.
Andy.
--- End quote ---
ACVW firing order is 1-4-3-2(both cylinders on each head fire one after the other then it goes to the other head)
--- End quote ---
Now I am confused, how did they number the cylinders? :doh:
cuog:
--- Quote from: John Hill on March 07, 2011, 07:12:12 PM ---
--- Quote from: cuog on March 07, 2011, 11:18:40 AM ---
--- Quote from: andyf on March 07, 2011, 03:18:17 AM ---I've never owned a V4 car, but in the dim and distant past the firing order on my flat four Jowett Javelin was the same as a straight four: 1-3-4-2. My wife's 1970s VW Beetle was the same. There doesn't seem to be any reason why a V4 should differ.
I'm looking forward to watching your progress; on your current form it should be running before the end of the month.
Andy.
--- End quote ---
ACVW firing order is 1-4-3-2(both cylinders on each head fire one after the other then it goes to the other head)
--- End quote ---
Now I am confused, how did they number the cylinders? :doh:
--- End quote ---
front of car
3 0--||--0 1
4 0--||--0 2
back of car
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