what could be the value of a Royale engine ? Would it be possible that the crankshaft of the railroad engine fits the car engine ?

Last price for an autorail engine I have seen was some 100.000 euro. But it was a long time ago.

On fitting a crankshaft of an autorail engine into a Royale engine? no idea. The first 25 or so were Royale engines, so it should fit, but you never know which adaptations were made after that.

Can I conclude you have a genuine Royale engine available?

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Vive la Marque !!

The engine was sold about a year ago not complete and with a poor crankshaft .He was not able to find a single crankshaft . And there is no guarantee that the rail crankshaft fits in a car engine . So this engine will be for sale again . But if a autorail engine is about 100 000€ , maybe it is worth to repair this engine .
If the first 25 are Royale engines , are they made for cars ?

No, they were made for Railcars.

Greg is just showing again his superior level in the food chain, well above Phytoplankton...


Of course, the first 25 Royale engines were intended to be used in T41 cars. As there were no buyers for such cars, the engines were later fitted in Railcars. I thought this was a well known story, even SpongeBob knows it

perhaps greg knows different?

He is the Royale expert, and I cannot wait for his book to be published....

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Vive la Marque !!

When is the book ready and available for us to buy?

if Bugatti made 25 engines for the T41 , he made parts for minimum 15 cars .

Lanos , "well above Phytoplankton" are you sure ?

The first railcars were fitted with car engines, which became single ignition engines by blanking off one of each pair of holes for the spark plugs. A batch of 25 engines was produced for the T41 car production, but not 25 complete set of parts for those cars were built. That is why the reconstruction of the Royale Esders was made fitting the four speed T61 gearbox, since there were not T41 gearboxes available anywhere.

Dear Udolahr, what is the basis of your affirmation that if 25 Royale car engines were made, at least parts for 15 cars had to have been made?

I have always been curious about the guarantee for the life of the owner reputedly given to the royale owners.If this were true then you would have to have spare parts for every part of the car on the shelf.

There were T41 spare parts and those are the parts which were used to build the Esders reconstruction. I read somewhere that when after Schlumpf brothers' departure the Esders reconstruction was found unfinished its gearbox was in bad condition and it had to be replaced with another one to finish the car. If that is true, the replacement would be the T61 gearbox and the original gearbox fitted in the reconstruction could have been a T41 spare part.

If there was also a frame chassis built as a spare part, it must have been used to rebuild the prototype after the accident.

There was a first batch of Royale car engines which were used in the railcars and there were spare parts too, but I do not think that there were sets of parts to build 15 complete cars; I do not know what can be the basis on which Udolahr makes that deduction.

Udolahr has begun several threads on the Royale, suggesting in them that there were parts to build more than the six well known cars.

Udolahr, what is the conclusion you wish to reach? What do you try to prove

I do not try to prove anything . I am just looking for Royale parts and info . There are so many rumors in the Alsace about people having Bugatti parts at home . I was talking with former Bugatti workers who telling me that at the end of the Bugatti company , the shelfs are full with spare parts for all kind of Bugatti cars . Especially parts for cars nobody needs , like Royale parts . I like the story with the guy who did build his garage with Royale chassis parts .

During the first postwar years the spare parts were very important for Bugatti, since one of the few sources of money they had was servicing the cars which had survived the war. And according to Conway, when the British Owners' Club bought the remainder parts, long time after Bugatti had stopped producing cars, the company asked high prices for the stock, which included all kind of parts for all the models produced.

It seems that the company was always aware of the value of the parts, but it is also very possible that they used some parts to pay to the workers in those times of shortage of cash. Those workers or their heirs can retain some parts, but I think that they only accepted to be paid by the company with parts easily marketable. Besides, the Royale spare parts must have been very scarce, specially compared with the parts for other types produced in higher quantities. Looking for genuine Royale spare parts has to be a very hard task, indeed.

" used some parts to pay to the workers " , I am sure not . It was just the same situation like in all other companys . For example drawings . The Bugatti company did not pay with drawings . But I think you understand that I do not like to give detailed information in the internet how the situation is . Be very carefull with all info from experts and books . For example , how many chassis are made .Nobody went to Alstom to look in the books .