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Author Topic: Empire Hot Air Engine  (Read 4714 times)

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Re: Empire Hot Air Engine
« Reply #30 on: April 07, 2020, 03:06:45 pm »
Thanks, Doug! Looking forward to your results.
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Mike

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Re: Empire Hot Air Engine
« Reply #31 on: April 07, 2020, 05:10:55 pm »
Well,
the results are in! At hottest point it runs 450 degrees (at the top of the rear cylinder cover). Draws 374 watts at 110v. 350 degrees at center of cylinder.
crazydoug
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Re: Empire Hot Air Engine
« Reply #32 on: April 09, 2020, 01:05:10 am »
Man! I want one of those! Nice work getting it running ;D
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PAUL
Civilization is the limitless multiplication of unnecessary necessities.

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Re: Empire Hot Air Engine
« Reply #33 on: August 15, 2022, 08:31:00 am »
Well, this is post interesting.  I been trying to get my Empire B35 running again but it is missing all of the heater bits (My B35 Post).  I just bought a B30 off eBay that should give me just about all the missing bits I need for my B35.   I have little hopes of the heater working on the B30 (sold as-is / untested).  Even if the heater is operational on the B30, it is likely to fall apart when I start taking it apart.

@Junkologist you helped me a lot with my brother's Jensen and I hope you could help me with my B35 heater - I assume I'll need it.  I just bought the B30 and with a little luck I'll have it by the end of the week (or early next).

I suppose there are many ways to skin this cat but as close to original would be my preference.
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Richard

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Re: Empire Hot Air Engine
« Reply #34 on: August 15, 2022, 10:37:00 am »
Congrats on your re-wire.  I always went with cartridge heaters.

Could you please tell us all the gauge or thickness of the nichrome
wire you used and its source.  Same for the mica. 

Thanks,
Wayne
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Re: Empire Hot Air Engine
« Reply #35 on: August 15, 2022, 07:18:06 pm »
Quote from: RichSteamTx on August 15, 2022, 08:31:00 am
Well, this is post interesting.  I been trying to get my Empire B35 running again but it is missing all of the heater bits (My B35 Post).  I just bought a B30 off eBay that should give me just about all the missing bits I need for my B35.  I have little hopes of the heater working on the B30 (sold as-is / untested).  Even if the heater is operational on the B30, it is likely to fall apart when I start taking it apart.

@Junkologist you helped me a lot with my brother's Jensen and I hope you could help me with my B35 heater - I assume I'll need it.  I just bought the B30 and with a little luck I'll have it by the end of the week (or early next).

I suppose there are many ways to skin this cat but as close to original would be my preference.

TV here’s a good chance the heater is fine on the B30 you have coming to you. When removing it, just be real careful and take your time, especially when removing the leads from the prongs where the cord plugs in.
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Mike

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Re: Empire Hot Air Engine
« Reply #36 on: August 24, 2022, 11:52:28 am »
I am too trying to figure out the flexible mica, a source part number would be great but perhaps I have one... Thoughts on the below?

I am thinking I am needing this to wrap about the iron heater brace for a B31 heater retro fit.  I am sure it is smart to have the mica in between anything doing with the heater to the tank (my assumption incase there is an electrical short of any kind).  I have read that @Junkologist says .15mm and at https://www.mcmaster.com/mica-sheets/ the closest I see is 0.004" or 0.008" (I am pretty sure .15mm should be just about .0060" inches).  

So I am thinking McMaster's Flexible Electrical-Insulating Mica 0.008" 85825K42?
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Richard

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Re: Empire Hot Air Engine
« Reply #37 on: September 15, 2022, 09:31:06 pm »
@Junkologist / Mike - thank you for your post and replies in the others - if it wasn't for this thread I'd would likely never have tried to make my own heater.

Many thanks!
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Richard

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Re: Empire Hot Air Engine
« Reply #38 on: September 19, 2022, 07:49:28 pm »
Quote from: RichSteamTx on September 15, 2022, 09:31:06 pm
@Junkologist / Mike - thank you for your post and replies in the others - if it wasn't for this thread I'd would likely never have tried to make my own heater.

Many thanks!

Glad to help! The way I look at it, these heaters are relatively simple and cheap to make, so if one fails, it’s no big loss. Just learn why it failed and modify accordingly when making the next one.
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Mike

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Re: Empire Hot Air Engine
« Reply #39 on: May 06, 2023, 05:46:01 pm »
Quote from: crazydoug on April 07, 2020, 05:10:55 pm
Well,
the results are in! At hottest point it runs 450 degrees (at the top of the rear cylinder cover). Draws 374 watts at 110v. 350 degrees at center of cylinder.
crazydoug

Hi @crazydoug my B-38 runs pretty much with in this heat range.  Though I don't know if the heater inside is original or not.  I know it has been apart as the shaft oiling port is misaligned (about 3 O'clock).  It bothers me to no end but I don't really want to take it apart. 

The heater messures out to be 36 ohms.
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Richard
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