[TheForge] Re: TheForge Digest, Vol 57, Issue 18

[Cindy and James]

Would a natural gas forge require added air, i.e. to be blown, to 
compare, heat-wise, with a propane?
JA

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> Today's Topics:
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>    1. blown vs. Venturi forges (bistline at md.metrocast.net)
>    2. Re: blown vs. Venturi forges (craig.schaefer at verizon.net)
>    3. Re: blown vs. Venturi forges (Jerry Frost)
>   
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> Subject:
> [TheForge] blown vs. Venturi forges
> From:
> bistline at md.metrocast.net
> Date:
> Wed, 15 Oct 2008 12:23:29 -0400 (EDT)
> To:
> theforge at mailman.qth.net
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> To:
> theforge at mailman.qth.net
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>
> I currently have a side arm burner forge. I am thinking about building a
> forced air burner. Are the forced air burners more efficent in fuel
> consumption?
>
>
>
>   
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> ------------------------------------------------------------------------
>
> Subject:
> Re: [TheForge] blown vs. Venturi forges
> From:
> craig.schaefer at verizon.net
> Date:
> Wed, 15 Oct 2008 11:44:23 -0500 (CDT)
> To:
> theforge at mailman.qth.net
>
> To:
> theforge at mailman.qth.net
> CC:
> theforge at mailman.qth.net
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>
> Probably not since they are adding air, you need to add fuel as 
> well.   They DO get hotter more easily.
>
> CraigS
> Gresham, OR
>
>
> Oct 15, 2008 04:24:18 PM, theforge at mailman.qth.net wrote:
>
>     I currently have a side arm burner forge. I am thinking about
>     building a
>     forced air burner. Are the forced air burners more efficent in fuel
>     consumption?
>
>
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> Subject:
> Re: [TheForge] blown vs. Venturi forges
> From:
> "Jerry Frost" <akfrosty at mtaonline.net>
> Date:
> Wed, 15 Oct 2008 10:47:15 -0800
> To:
> "Blacksmithing List Sponsored by ABANA" <theforge at mailman.qth.net>
>
> To:
> "Blacksmithing List Sponsored by ABANA" <theforge at mailman.qth.net>
>
>
> No.
>
> Properly tuned a burner is a burner is a burner. The proper ratio for 
> a neutral Air:Propane flame is 17.5:1 it doesn't make any difference 
> how you put the two together and mix them.
>
> A gun (blown) burner is easier to make, tune and are less sensitive to 
> back pressure BUT they're more expensive and tie you to electric service.
>
> Naturally aspirated burners require more precision to make and tune 
> and are more sensitive to back pressure and stray breezes BUT are 
> cheaper to make and work anywhere.
>
> In either case you're introducing a specific amount of propane to a 
> specific amount of air and hopefully mixing them thoroughly before 
> they get to the furnace chamber. For any specific amount of propane 
> there are a specific number of BTUs available. Period.
>
> Frosty
> -------------------------------
> If it ain't forged
> it ain't real.
> Wrought iron is.
> The FrostWorks
>
> Meadow Lakes, AK.
>
>
> From: <bistline at md.metrocast.net>
>
>
>> I currently have a side arm burner forge. I am thinking about building a
>> forced air burner. Are the forced air burners more efficent in fuel
>> consumption?
>>
>>
>>
>
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