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Old 10-09-2017, 03:24 PM   #1
Steampower88
 
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Default How big can a mono tube flash boiler go?

Just as the title says how big can you go with a flash boiler meaning tubing size and length and amount of coils. I’m looking for a boiler that will run 2 ray hasbrouck number 1 engines made into a twin cylinder so that will make that engine a 4 hp. Thanks for everyone’s help with this and everyone’s time. I know the whole boiler subject is a dangerous one and just looking too see what are considered Safe options before I talk to the state about going about building one.


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Old 10-09-2017, 03:26 PM   #2
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Also this will be going on a scaled down steam fire engine so a water source won’t be a issue what so ever just as long that my pump doesn’t quit on me lol


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Old 10-10-2017, 01:11 PM   #3
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https://prestonservices.co.uk/item/f...ler-steam-car/

Any help?
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Old 10-10-2017, 08:21 PM   #4
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I'd suggest two pumps, run both simultainiously at just less than half power, that way you'll have a redundancy in case one fails, you can just ramp up the other one to full power. I'm pretty sure that some paddle steamer had flash steam boilers. But i may be wrong??
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Old 10-10-2017, 10:47 PM   #5
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The member you really need to be talking to is 'Speedy', a very nice and informative chap.

He builds flash steam boilers and engines in search of world or national records.

This is one of his posts. He hasn't been active recently, I think on health issues, but you could try to send him a PM or email.

http://www.homemodelenginemachinist....ad.php?t=21285


Hope this helps


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Old 10-11-2017, 07:49 AM   #6
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If you cannot contact SPEEDY. Try contacting George( Ooya) Im not sure he is a member here if not he is on the Model Boat Mayhem site. He is a very knowledgeable approachable gentleman and build a 40mph plus rc controlled speed boat
E T Westbury wrote one or two books on flash steam and they are available from Tee Publishing
Also this site may give some insight or at least a fun way to loose a few hours
http://www.onthewire.co.uk/bamford.htm
For those who dont know but may like to learn
http://www.onthewire.co.uk/flash.htm
cheers


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