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food:cooking:stoves [2021/12/17 12:44]
frater_secessus [conserving fuel] further reading fuel comparison |
food:cooking:stoves [2024/08/06 17:18] (current)
frater_secessus [resistance vs induction comparision] added small units |
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| See [[https://decideoutside.com/camping-stove-fuels-explained-and-ranked/|this comparison]] that includes liquid fuels. | See [[https://decideoutside.com/camping-stove-fuels-explained-and-ranked/|this comparison]] that includes liquid fuels. |
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| | **Electric** stovetops, either traditional resistive or induction, have become popular because of the "clean and shiny" look and how pretty they are on Instagram. However cooking with electricity is realistically only possible with shore power, or for those who have spent //tens of thousands// of dollars on their[[electrical:12v:intro| house electrical system]]. |
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| There are other, sometimes more exotic fuels often used used by backpackers who watch their grams. | There are other, sometimes more exotic fuels often used used by backpackers who watch their grams. |
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| The simplest hiking stove is a "penny" alcolhol stove, so called because in some variants a penny is used to cover the fill holes. | The simplest hiking stove is [[https://www.youtube.com/results?search_query=penny+stove|a "penny" alcohol stove]], so called because in some variants a penny is used to cover the fill holes. |
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| [[http://amzn.to/2ong7cK|{{ https://images-na.ssl-images-amazon.com/images/I/41ffr0xXvFL._AC_US160_.jpg}}]][[http://amzn.to/2ong7cK|Electric stovetops]] are generally used by folks who use campsites with [[electrical:shore_power|electric hookups]], although [[electrical:generator|generator]] or big [[electrical:solar|solar]] setups with lithium banks are sometimes used. | [[http://amzn.to/2ong7cK|{{ https://images-na.ssl-images-amazon.com/images/I/41ffr0xXvFL._AC_US160_.jpg}}]][[http://amzn.to/2ong7cK|Electric stovetops]] are generally used by folks who use campsites with [[electrical:shore_power|electric hookups]], although [[electrical:generator|generator]] or big [[electrical:solar|solar]] setups with lithium banks are sometimes used. |
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| Resistance and induction cooking both use 1000-2000w watts of power to run each "burner" although [[http://amzn.to/2owQKr9|the induction unit]] will be ~12% more efficient.((https://en.wikipedia.org/wiki/Induction_cooking#Efficiency)) Note that plain hotplates run fine on Modified Sine Wave [[electrical:inverter|inverters]] but induction versions require pure sine wave. | ==== resistance vs induction comparision ==== |
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| | | ^ resistance ^ induction ^ |
| | | price | less expensive | more expensive | |
| | | inverter requirement | MSW or PSW | PSW only | |
| | | efficiency | 75-80% | 85% | |
| | | temperature control | on/off thermostat. Heat output can be adjusted [[electrical:triac|with a triac]]. | on/off thermostat. Some models have variable power (see below) | |
| | | cookware | any | induction-compatible only. If it strongly attracts a magnet it will work with induction. | |
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| Although power is generally ON/OFF at full blast with temperature controlled by varying the duty cycle, some induction units seem to use regulated amounts of power: | |
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| | Resistance and induction cooking both use 1000-2000w watts of power to run each "burner" although [[http://amzn.to/2owQKr9|the induction unit]] will be 5-10% more efficient.((https://www.energystar.gov/partner_resources/products_partner_resources/brand-owner/eta-consumers/res-induction-cooking-tops)) |
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| | === metrics for induction cookers with variable power === |
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| | Although power is generally ON/OFF at full blast with temperature controlled by varying the duty cycle, some induction units seem to use regulated amounts of power. Of special note is [[https://amzn.to/3J9pYv8|the Nuwave Pic]] that allows manual choice of 600w, 900w, or the default 1,300w. |
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| [[https://amzn.to/35lutBo|Max Burton 6400 Digital Choice Induction Cooktop 1800 Watts]]((John H. Meyer review)) | [[https://amzn.to/35lutBo|Max Burton 6400 Digital Choice Induction Cooktop 1800 Watts]]((John H. Meyer review)) |
| - Max/Sear = 650deg drew about 1680 watts. | - Max/Sear = 650deg drew about 1680 watts. |
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| === laboratory hotplates === | === lower-wattage induction cooktops for portable use === |
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| | Most of these are sized for pots with flat 4"-6" bottoms. |
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| | * 700w-200w "in six steps"((presumably 700w/600w/500w/400w/300w/200w)) - [[https://amzn.to/4dvi26h|GastroGear]]. 6 temperature settings (176°F-266°F) |
| | * 500w/300w/250w - [[https://amzn.to/4danICZ|JOZOOES]]. No temperature control. |
| | * 500w/400w/300w/200w/100w - [[https://amzn.to/3WTBBQw|Abangdun (square)]]. No temperature control. |
| | * 500w/400w/300w/200w/100w [[https://amzn.to/3LUtfSd|Abangdun (round)]]. As above in different form factor and touch/slide controls. |
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| Lab hotplates are similar to cooking hotplates only generally smaller using much less wattage. They may not work for full-on cooking but might suffice for reheating/simmering. See [[https://mouse.mousetrap.net/blog/2021/05/05/first-run-with-the-lab-hotplate/|this blog post]] by secessus. | |
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| ===== fuel cost ===== | ===== fuel cost ===== |
| * check food at the minimum cook time to see if it's already done, or is done enough it can be removed from heat | * check food at the minimum cook time to see if it's already done, or is done enough it can be removed from heat |
| * reduce heat as much as possible when maintaining simmers | * reduce heat as much as possible when maintaining simmers |
| | * reduce ingredient thickness (smaller slices, thinner pastas like angel hair) |
| * use windbreaks to keep heat focused on the pot | * use windbreaks to keep heat focused on the pot |
| * use a pot wide enough to take the whole flame; flames that go up the side of the pot are not performing useful work. Note: excessively wide pans can overheat the fuel tank of sportster-style stoves (above). | * use a pot wide enough to take the whole flame; flames that go up the side of the pot are not performing useful work. Note: excessively wide pans can overheat the fuel tank of sportster-style stoves (above). |
| * use cold "cooking" techniques like cold brew coffee and refrigerator oatmeal | * use cold "cooking" techniques like cold brew coffee and refrigerator oatmeal |
| * use cook-and-coast cooking methods like [[food:cooking:cookware#thermos|thermos cooking]] or "coasting" to cook hard boiled eggs | * use cook-and-coast cooking methods like [[food:cooking:cookware#thermos|thermos cooking]] or "coasting" to cook hard boiled eggs |
| * use electric cooking if [[electrical:shore_power|shore power]] is available or if you have [[electrical:solar:nonessential|excess power]] you have made | * use electric cooking if [[electrical:shore_power|shore power]] is available or if you have [[electrical:solar:nonessential|excess power]] you have made off-grid |
| * boil only the amount of water you will need in the near future | * boil only the amount of water you will need in the near future |
| * preheat water and [[food:cooking:cookware|cookware]] by leaving receptacles in the sun | * preheat water and [[food:cooking:cookware|cookware]] by leaving receptacles in the sun |
