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Steam related discussions.
Re: General Electric steamers - 7 days ago
GE did some more recent work on steam engines. See https://nepis.epa.gov/Exe/ZyNET.exe/91011WKF.TXT?ZyActionD=ZyDocument&Client=EPA&Index=Prior+to+1976&Docs=&Query=&Time=&EndTime=&SearchMethod=1&TocRestrict=n&Toc=&TocEntry=&QField=&QFieldYear=&QFieldMonth=&QFieldDay=&IntQFieldOp=0&ExtQFieldOp=0&XmlQuery=&File=D%3A%5Czyfiles%5by lohring - SteamStuff
Re: Feasability study - dimensioning of engine parts - 7 weeks ago
I took data from the GE steam engine study. They found an over 300 psi BMEP at 1000 degrees F and 1000 PSI inlet pressure. That would give somewhere between 10 and 12 hp at 10000 rpm. My design information comes from the series of posts below. Lohring Miller https://www.homemodelenginemachinist.com/threads/high-speed-steam-engine.21285/by lohring - SteamStuff
Re: Feasability study - dimensioning of engine parts - 7 weeks ago
I started to build an engine based on the 23 to 26 cc Zenoah engines I am familiar with. Their crankshafts and bearings have been used in engines that develop 10 hp and can turn 25,000 rpm. Peak power is around 18,000 rpm. I was planning around 1,000 psi steam. Lohring Millerby lohring - SteamStuff
Re: Limits of p/T for steam engines - 2 months ago
There is a great series of articles on the flash steam hydros. Unfortunately, the copies I have are too large for this forum. Lohring Millerby lohring - SteamStuff
Re: Self - Regulating Feed Pump - 2 months ago
I understand that. I was just wondering about the actual plumbing in a monotube. It seems to me that the "boiler" in this case is a long tube. Therefore, the connection needs to be along the tube where you want the water steam interface. Lohring Millerby lohring - SteamStuff
Re: Limits of p/T for steam engines - 2 months ago
Tether hydros run temperatures and pressures even higher those mentioned. Of course their time between overhaul is measured in minutes, not hours. They run cast iron pistons with Dykes rings in a steel liner. See below. Lohring Millerby lohring - SteamStuff
Re: Self - Regulating Feed Pump - 2 months ago
So does your pump's boiler feed and return tap into the monotube at a point where you want to maintain the water level? Lohring Millerby lohring - SteamStuff
Re: Full Steam Proposal for Auto Mfrs - 6 months ago
Fine, then I own a 450 hp, 4 wheel drive, very high performance American made sedan that will out accelerate to 60 mph all non Tesla production American made cars with the exception of the Dodge Hellcat. The car it replaced was a real car. It was a Subaru BRZ front engine, rear wheel drive, with a 6 speed manual transmission. It was fun as well. Lohring Millerby lohring - SteamStuff
Re: Full Steam Proposal for Auto Mfrs - 6 months ago
"A lot of people have bought the Elon Kool-Aid. Tesla consistently announces vehicle launch dates and then overshoots --- drastically. Far from being a manufacturing marvel, it's a bit of a joke in the industry. No other car company would get away with that, but he's running a cult and his followers loudly denounce anyone who points this out. The fact that he came out last on the J.D. Powersby lohring - SteamStuff
Steam Jet Drag Bike - 8 months ago
An interesting steam vehicle that uses stored steam. https://www.homemodelenginemachinist.com/threads/melbourne-raceway-steam-jet-motorcycle.32404/ Lohring Millerby lohring - SteamStuff
Re: Economics of advanced condensing steam locomotive - 8 months ago
With modern electronics I think hybrid diesel electric power plants with battery storage will be more efficient. Apparently, so does GE Locomotive, though I don't know if they actually are going into production with the changes in ownership. https://web.archive.org/web/20100926155450/http://www.railjournal.com/newsflash/ge-hybrid-locomotive-ready-for-the-market-in-2014-15.html Lohring Millerby lohring - SteamStuff
Re: Economics of advanced condensing steam locomotive - 8 months ago
The engines are already electric. The question is where is the electricity coming from. Currently the engines have diesel electric generators on board. Modern railroads are often electrified with overhead wires. I believe fuel cells might be a future option but so far big diesels are less expensive. Battery storage is limited to automobiles or smaller power plants, but we'll see how Tesla's bby lohring - SteamStuff
Re: Electric batch boiler - 8 months ago
Rick, I love it. I keep looking at things like steam bicycles and motorcycles as fun projects. I'm only talking about large scale commercial reality. Steam is a challenge, especially if you want to build a compact power plant. I've been working on a steam powered model boat for years. I once held several radio controlled model boat speed records and would love to get the steam powered RC boatby lohring - SteamStuff
Re: Electric batch boiler - 8 months ago
Really? Why is Tesla building 2 new factories? Why do they have rising sales when all other manufacturers have falling sales? Nostalga is also reminiscing with a childhood friend about the annual birthday gifts his father, a Pontiac dealer, gave him. Those GTOs don't hold a candle to a Tesla Model 3 in acceleration, handling, or cost of operation. I run both IC and steam power in models. It'by lohring - SteamStuff
Re: Electric batch boiler - 8 months ago
Last time I checked, electricity was universally available. A plug in is pretty easy to find everywhere. Naturally a 115 volt charge will take some time, but try to find gasoline more easily. I mostly charge at home, but haven't found a lack of high current Superchargers on any long trips on major routes. I can't imagine transferring steam routinely, but who would have thought that transferrinby lohring - SteamStuff
Re: Electric batch boiler - 8 months ago
I know this is a steam forum, But as the owner of an electric car with over 30,000 miles on it, I don't see a future for IC powered cars, much less steam powered ones. The major car companies seem to agree since that's where their R&D money is going. Investors also have voted with dollars. IC engines replaced steam in the last century because the complexity of steam power made them moreby lohring - SteamStuff
Re: Seeking advice regarding turbocharging monotube boiler. - 11 months ago
Are you using these seal rings? If so which ones; the plain PTFE or the bronze filled PTFE? Lohring Millerby lohring - SteamStuff
Re: Compact rotary steam engine for an automobile - 12 months ago
Cyclone was the latest version of this concept. It's very unlikely that small steam power plants will be able to compete with other systems today. Battery/electric power plants have all the torque advantages of steam at a higher efficiency than IC power plants. Steam hasn't been able to compete with IC engines for a very long time. Lohring Millerby lohring - SteamStuff
Re: Modern Steam - Formula S Racecar - 1 year ago
A picture and drawing drawing of Chuk's engine derived from a Force outboard with a custom cylinder head: Lohring Millerby lohring - SteamStuff
Re: Modern Steam - Formula S Racecar - 1 year ago
More pictures of Chuk's burner: Lohring Millerby lohring - SteamStuff
Re: Modern Steam - Formula S Racecar - 1 year ago
There's the burner below Chuk used on his land speed attempt. Unfortunately the pdf with emails plus the pictures is too big to post here. I'm working on a model version. Lohring Millerby lohring - SteamStuff
Re: Steam auction - 1 year ago
The Stanley sold for $18,900. https://bid.aumannauctions.com/m/lot-details/index/catalog/21905/lot/3154260?url=%2Fm%2Fview-auctions%2Fcatalog%2Fid%2F21905%2F%3Fpage%3D1%26view%3Dlist%26sale%3Dundefined%26cat%3D484%252C491%26catm%3Dany%26order%3Dorder_num%26xclosed%3Dno%26featured%3Dno%26sess_id%3Du9hbmcao0dhvp4lf3nsttp41r0 Lohring Millerby lohring - SteamStuff
Steam auction - 1 year ago
I found this auction in Washington state. There's lots of stuff including steam engines, steam tractors, and a Stanley Model 35 that looks original but needs mechanical restoration. Any idea what the Stanley is worth? I see restored ones going for $50,000 to $60,000. https://bid.aumannauctions.com/m/view-auctions/catalog/id/21905/?page=1&view=list&sale=undefined&cat=484%2C491&by lohring - SteamStuff
Re: turboelectric vehicle - 1 year ago
Real regenerative braking along with efficient electric motors and controllers allow a battery with around the energy of 2 to 2.5 gallons of gasoline to run a car as far as around 12 gallons of gasoline in an IC engine. It also makes brakes last a very long time since you don't need to use them during most normal stops. Hybrids are an intermediate step between IC (or steam) and battery electricby lohring - SteamStuff
Re: turboelectric vehicle - 1 year ago
https://www.kbb.com/new-cars/best-resale-value-awards/best-resale-electric-vehicle/ Lohring Millerby lohring - SteamStuff
Re: turboelectric vehicle - 1 year ago
This completely off topic for this forum, but I just did a comparison of the costs of my Tesla model 3 versus my Subaru BRZ. The BRZ cost $30,000 new but was worth about $11,000 when it was sold. The BRZ was 5 years old and had over 100,000 miles. The Tesla cost $75,000 but came with a $7500 federal tax credit. In the last 10 months I owned the BRZ premium gasoline cost around $110 a monthby lohring - SteamStuff
Re: turboelectric vehicle - 1 year ago
I've exchanged emails with two of the tether hydroplane builders and have drawings of their boilers and engines. Control for an RC version is my main problem. The only RC high speed boat had an on/off control. I will need a throttle with a way to control the monotube's steam output. Everything has been on the back burner for a while as I work on other projects. Lohring Millerby lohring - SteamStuff
Re: turboelectric vehicle - 1 year ago
I'm afraid Toyota with their hybrids is behind the times. An all electric vehicle is so much simpler. My Tesla Model 3 performance version has only needed to be plugged in at home or in a hotel destination charger for 11,000 miles. No oil changes, waiting at gas stations, or any other costs or maintenance other than running through the car wash weekly to get the bugs and mud off. It is probabby lohring - SteamStuff
Re: Steam turbine driven turbojet - 1 year ago
That aircraft steam generator looks like a giant version of what the steam tether boats run. Lohring Millerby lohring - SteamStuff
Re: Steam Outboard - 1 year ago
The condenser on the above outboard is wrapped around a standard Seagull outboard lower unit. Lohring Millerby lohring - SteamStuff