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Old 07-15-2018, 02:33 PM
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Can a car have 2 fuel injectors? Plantary gearbox with manula transmision.

Can a car have 2 fuel injectors and the owner able too chose which one to work? Or can it have a carburetor or an injector and you too choose which sistem to use?

And can you have planetary gerabox (like at an automatic geraboxes) with manual transmision?
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Old 07-15-2018, 05:56 PM
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No choice of carburetor or fuel injection. One or the other.
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Old 07-15-2018, 07:13 PM
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There are throttle body injection systems that you can install on to a carburated vehicle in place of the carb...I suppose one could probably hybrid that tech with a carb if they had the tools, knowledge and tried hard enough, but why would anyone want to?

The second there is technically something like...Some electronically controlled automatics actually allow the driver to manually increment/decrement the gear. A friend had a 90's Honda Prelude with such a shifter. When in drive you could nudge the shifter back and forth between +/- marks to bump the gear up or down...No clutch, and no direct jumps from say second to fourth, but still fun/scary to ride in.
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Last edited by Electronic M; 07-15-2018 at 07:19 PM.
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Old 07-15-2018, 07:47 PM
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The Ford Model T had a manual planetary transmission.
http://www.modeltcentral.com/transmi...animation.html
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Old 07-15-2018, 10:38 PM
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There have been engines with dual ignition systems; I've seen it mostly on very old fire engines and I think it was common on aircraft engines-maybe still used on piston aircraft engines. These could have both distributor and magneto ignition. So, if you really wanted to...you could get a dual-carb intake manifold and put a carb in one end and a throttle body injection unit in the other. As reliable as "modern" injection units are (and I'm counting anything made back to the 1980's) I would think the carb would be the weaker link as to dependability.
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Old 07-16-2018, 08:48 AM
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Quote:
Originally Posted by old_tv_nut View Post
The Ford Model T had a manual planetary transmission.[/url]
You beat me to it!

Our now gone Passat had VW's direct shift gearbox... basically a manual transmission with all the odd gears on one shaft / clutch, and the even gears on another shaft / clutch, with a computer running the show.

What that means is that while you're cruising along in 3rd, the computer tries to predict what you're going to do next, and will shift the even gears into 2nd or 4th - while the driving gear set is still in 3rd. Then when it comes time to "shift" it just swaps the clutches. It makes for a very fast, very smooth change under full load.

However, in stop and go traffic, it's "un smooth" at best No torque converter, just the computer operating / slipping the clutches. They're wet clutches at least. That car offered TipTronic, from either the console shifter or paddles on the steering wheel you can + / - to get the gear you want.

The E-CVT in my Cadillac is based around a planetary gearset.



-J
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Old 07-16-2018, 11:45 AM
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For the command of the gearbox I thought of the next system: colum shifter with continius move (just moving up an down, except when you want to go into neutral or reverse - you need to pull the lever) that moves a stiarcase like wheel that pushes rods (or let them go - they have springs for returning into position).
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