[SS2S-Main] Re: temperature controller with arduino
- From: James Fackert <jimfackert@xxxxxxxxx>
- To: sUGAR sHOT TO SPACE LIST <sugarshot@xxxxxxxxxxxxx>
- Date: Tue, 1 Jul 2014 22:41:56 -0400
well insulated box and you only need a few hundred watts to get to any
reasonable temp. no need for many btus.
jim fackert
On Jul 1, 2014 10:18 PM, "Nathan Asdourian" <rawliquid@xxxxxxxxx> wrote:
> Not sure if 100c would work since they are mostly plastic, but I do have a
> similar sized metal one that is significantly stronger....uses 110v...
> Has anyone considered propane? My uncle out in Indiana makes his own
> roasters...typically trailer deals for a quarter hog or more...The last one
> he made I believe he used the burners from a couple old furnaces...he did
> manage to max out what the tank was able to put out...had to turn off one
> of the burners to get the pressure back up.
> Anyways, just a thought though for all I know the stuff is probably
> flammable
> On Jul 1, 2014 6:37 PM, "Lampe, Mattias SLC CT PEK" <
> mattias.lampe@xxxxxxxxxxx> wrote:
>
>> I had not seen that kind of convection cooker before, but it seems like
>> a very good idea to me. 1200W seems to be a typical power value, and if
>> that’s not enough you could just add a second one.
>>
>>
>>
>> I’d assume it would still make sense to put one or two additional fans
>> inside the oven to move a bit more air.
>>
>>
>>
>> Is it safe to assume that 100 degrees (or maybe slightly higher) wouldn’t
>> hurt a cheap (computer-type) fan?
>>
>>
>>
>> Mattias
>>
>>
>>
>> *From:* sugarshot-bounce@xxxxxxxxxxxxx [mailto:
>> sugarshot-bounce@xxxxxxxxxxxxx] *On Behalf Of *James Fackert
>> *Sent:* Tuesday, July 01, 2014 7:52 PM
>> *To:* sUGAR sHOT TO SPACE LIST
>> *Subject:* [SS2S-Main] Re: temperature controller with arduino
>>
>>
>>
>> g
>> how about using the lid/heating element/heat stirrer fan from one of
>> those convection cookers that looks like a big glass pot? it is all
>> integrated, built to take high temps, has temp control to act as safety
>> temp limit and I think harbor freight has one on sale for $25.
>> just need,circular hole in top of oven box.
>>
>> jim fackert
>>
>> On Jul 1, 2014 7:23 AM, "Redacted sender monsieurboo@xxxxxxx for DMARC" <
>> dmarc-noreply@xxxxxxxxxxxxx> wrote:
>>
>> Hair dryers / heat guns may be underengineered for the expected duty
>> cycle and runtime. I've scratched my head about possible alternatives. A
>> couple suggest themselves as starting points: 1) small resistance-element
>> type room heater. 2) toaster oven elements. I think the latter may have
>> already been mentioned in a previous post.
>>
>> (1) can certainly handle the runtime, and probably the duty cycle too.
>> Could it get the oven hot enough? I suspect it wouldn't be a big problem,
>> but it's a question. Probably best suited to an "outside the oven" type
>> design.
>>
>> (2) is certainly robust enough to handle the oven environment and get it
>> plenty hot, but might result in an oven with difficult "hot spots" -- and
>> putting it outside the oven a la convection oven might make for an awkward
>> build.
>>
>> Is there now some consideration of not recirculating or at least
>> containing the heated air? The "heat budget" probably won't allow for just
>> venting it when the fan is running.
>>
>> Cheers,
>> Mark L.
>>
>>
>>
>>
>>
>> -----Original Message-----
>> From: Lampe, Mattias SLC CT PEK <mattias.lampe@xxxxxxxxxxx>
>> To: sugarshot <sugarshot@xxxxxxxxxxxxx>
>> Sent: Mon, Jun 30, 2014 10:16 pm
>> Subject: [SS2S-Main] Re: temperature controller with arduino
>>
>> Hi all,
>>
>>
>>
>> regarding SSRs, I have some spare ones I can send to Vicente, if needed.
>>
>>
>>
>> I don’t have much experience with thermal calculations and designs, but
>> regarding the use of hair dryers/heat guns my idea would have been to NOT
>> put the entire device into the oven – which indeed would cause some issues
>> with the overheat protection and possibly melt some plastic parts of the
>> devices – but to just use it to blow hot air through the chamber.
>>
>>
>>
>
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