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Registered
Join Date: Apr 2000
Location: Kansas City
Posts: 1,675
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This is just plain nuts! You are a genius, DarrylD...and I can't wait to see the MFI one!! Wow, this board and its members never cease to amaze me.
JA
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John - '70/73 RS Spec Coupe (Sold) - '04 GT3 |
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Excellent work!
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Join Date: Jan 2005
Location: Aviano, Italy
Posts: 7
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I love the animation, but I have a quick question.
On the left side of the engine the opening and closing of the ports are controlled by some type of actuator that is spinning counter clockwise. On this actuator there are two humps that appear to be dedicated to either the intake port or the exhaust port. Is this the way it actually occurs in the engine or am I missing something? The right side seems to occur in a logical progression, but I can't seem to figure out the left side. I don’t want to critique your work; I am just trying to learn as much as I can. Thanks for the education.
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1982 Porsche 911SC Targa - "La Bella Macchina" |
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Diss Member
Join Date: Jul 2002
Location: SC - (Aiken in the 'other' SC)
Posts: 5,020
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Under the heading of: "Isn't anything good enough for you?"
How about some animated flame/glow to go down the exhaust? It should make the pumping action very obvious. Wayne |
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Quote:
Righ click on the pic in this post. Click on "save picture as ". Save it in your pictures folder. Now go to start, go up to your "My Pictures" and click on it. ( thats in between "My Recent Documents" and "My Music") . Now look for the pic in your folder, when you find it, right click on it, and click on "Set as Desktop Background". It should now be you Desktop background, and should be animated. Thats all I did.
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Bill MID9 #4 if i cant play with it ,,i dont want to own it |
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Join Date: Dec 2004
Location: Suwanee, GA
Posts: 690
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can someone host elsewhere or email it to me. Work blocks personal webpages and my DSL has been down since Friday. (earliest is Saturday for a tech) ARghhh...
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1982 Porsche 911SC Coupe - Factory Short Shift |7:31 R&P in AL case | Toyo RA1 Tires | Corbeau TRS seats | M&K 2 in 2 out muffler |
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911S Targa,
thanks. It was a snap following your directions and what a hoot to have this breathing (It's Alive! It's Alive!) 911 engine as my desktop.
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77 911, 3.0L |
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 56,135
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Quote:
Here's a pic. Imagine you are looking from the end. ![]()
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa ![]() |
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Your very welcome. ![]()
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Bill MID9 #4 if i cant play with it ,,i dont want to own it |
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1984 3.2 Carrera Impact Bumpers on track: http://www.youtube.com/watch?v=C4qbFNkdD2o |
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John '69 911E "It's a poor craftsman who blames their tools" -- Unknown "Any suspension -- no matter how poorly designed -- can be made to work reasonably well if you just stop it from moving." -- Colin Chapman |
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Recreational User
Join Date: Jan 2004
Location: Seattle, WA
Posts: 888
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Here's a little graphic from page 157 of Wayne's book, "How to Rebuild and Modify Porsche 911 Engines 1965-1989" showing the cam issue you're talking about:
![]() It stumped me why they were oriented as they were until somebody reminded me the intermediate shaft (the center sprockets for the cam chains) is gear driven off the crank, therefore rotates the opposite direction! If you have a 911, you gotta buy Wayne's book, even if you never plan on doing a rebuild yourself! One thing to notice on the animation is how the outward cam cam on one side runs the exhaust and on the other side runs the intake... the heads are interchangable from side to side so the rocker arms must accommodate the side change. |
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911mot,
Is that a 917 engine?
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77 911, 3.0L |
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Join Date: Aug 2004
Location: Andover, NY
Posts: 1,350
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HOLY $H!T!!!!!
That is one amazing 917 pic. If someone would animate that I would totally keel over!! WOW! Please?
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Alexander '75 911S Targa '86 951 SOLD |
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 56,135
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If Daryl or anyone took it upon themselves to animate that view of a 917 engine I think we'd end up having to hospitalize or more correctly institutionalize them. Since that view provides a 1/4 view of the cams, multiple cylinders, etc... It would be a truly momumental endeavor.
Not impossible, but crazy. Or maybe Daryl is just that good.
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa ![]() |
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Join Date: Jun 2003
Location: Calgary Alberta, CANADA
Posts: 2,113
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Darryl,
I just got a new background on my desktop, thanks so much. It is really cool, If there is a newer version please let everyone know.. is the version on the bottom right real? Will you keep it updated? Thanks again -J
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We're all in the gutter,but some of us are looking at the stars. -Oscar Wilde |
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durn for'ner
Join Date: Feb 2005
Location: South of Sweden
Posts: 17,090
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Darryl,
Please explain why it looks like the crankshaft and camshaft are rotating in opposite directions. Is the chain between them looped ? I bet the answer is obvious but being an technically ignorant and new to the P-world I just can not figure it out. Thanks, Markus Carrera 85
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Markus Resident Fluffer Carrera '85 |
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Recreational User
Join Date: Jan 2004
Location: Seattle, WA
Posts: 888
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Hey Markus!
Here's a picture of the timing chain overlaid over the engine model: ![]() You can see the intermediate shaft below the crankshaft is gear driven off the crankshaft, crank goes clockwise so the gear spins the opposite direction on the intermediate shaft. The intermediate shaft has two separate sprockets, on driving a separate chain for each camshaft, both have to rotate counter-clockwise. Version numbers are real, and updated each time I stop playing and "put a fork in it!" It is version 1.3 now! |
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Gon fix it with me hammer
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you know what would be really ...i mean really sweet?
all this in flash , and sections, so you can go though different cutthroughs first , the chain pic, just above, next #1 and #4 then 2 and 5 3 and 6 all with a pic of the distributor, so you can see what stage of the timing you're currently looking at... but it would be a hell of a job to get this done in flash, i know Swish , but Swish ain't up for such a job... and Flash is friggin difficult
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Stijn Vandamme EX911STARGA73EX92477EX94484EX944S8890MPHPINBALLMACHINEAKAEX987C2007 BIMDIESELBMW116D2019 |
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durn for'ner
Join Date: Feb 2005
Location: South of Sweden
Posts: 17,090
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Thanks Darryl,
That was a very pedagogic disclosure of my limited knowledge of combustion engines in a public forum... Much obliged, Markus Carrera 85
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Markus Resident Fluffer Carrera '85 |
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