La Grande Pheaton with V-shaped windshield

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06 Feb 2012 14:25 #22121 by landmark
landmark replied the topic: Re: V windshield phaetons

Bob Roller wrote: J270 has V windshield but I forget which one is V'd.

Bob Roller


Hello Bob,

you are right and it is the front-screen. I found a picture of J-270 on the Duesey186 site.
But the screen-style is different to the J-532 screen.

http://www.duesey186.com/Datasheets/Mod ... rm2292.htm

The J-270 screen is framed "on top" with two electic-wiper mounted.

J-532 screen has not frame "on top", like the Louwman museum La Grande DCP. depending on the Randy Ema and Wizzell postings, these two will be one (the same) car.

Thx

Matt

Was man besonders gerne tut,
ist selten ganz besonders gut

Wilhelm Busch

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07 Feb 2012 16:41 #22128 by RandyEma
RandyEma replied the topic:
Sc on 532 is of modern construction. And yes this car had four SU carbs on it for quite a while. Randy

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07 Feb 2012 16:53 #22129 by Bob Roller
Bob Roller replied the topic: J532
Which system worked the best? The 4 side draft SU's or the blower. I would think the side drafts would eliminate the travel across the engine thru a bent pp into a manifold that might or might not evenly distribute the fuel air mixture.

Bob Roller

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08 Feb 2012 00:17 #22135 by RandyEma
RandyEma replied the topic:
Bob I probably have four different four carb manifolds here and I do not think any of them worked that well. The best for hp was a single carb SJ then a dual carb Winfield then a std J Randy

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09 Feb 2012 14:52 #22145 by Bob Roller
Bob Roller replied the topic: Superchargers/carburetors--Kompressors/Vergassers
Randy,
Some years ago at Auburn I was talking with Harry VanIderstine about the then unrestored J572 which had a two carburetor supercharger and he said it acted like it was running out of gas at about 85MPH with the expected power loss. I couldn't come up with any answer at that time but thought about it when I got home and here is my theory. The two carburetors were pushing a heavy load of fuel into an intake manifold made for a single downdraft carburetor. As the blower speed increased,wouldn't a possible overload/flooding condition occur and strangle the engine? I would think the two "rams horn"manifolds would be a much better idea for such an arrangement as was proven by the Duesenberg Special.
What is your opinion about this?

Bob Roller

Bob Roller

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09 Feb 2012 15:58 #22146 by RandyEma
RandyEma replied the topic:
Bob. The two carb blowers did real well at sustained speed or a constant rpm but not well at constant variations ie stop signs and the single did fine no loading up or leaning out. Randy

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