Jetboils Vs. Regular Canister Stoves – Tin A Jetboil Relieve Weight?

Seen late on the internet:
"A Jetboil is so fuel efficient that you'll relieve weight."  What they hateful of course of didactics is that a Jetboil canister stove volition relieve weight overall compared to a "regular" canister stove laid up, a regular canister stove develop beingness a develop without a oestrus exchanger.

That's an interesting statement.  I hateful if nosotros tin relieve weight, wouldn't nosotros desire to?  Of course of didactics nosotros would!  But is it true?  Let's hit the math.  If y'all abide by math a piddling boring, don't worry.  The detailed calculations volition hold upward kept inward the appendices.
The backcountry:  beautiful, but also heavy a pack tin ruin your whole trip.  Will a Jetboil relieve y'all weight?
Fuel Weight Savings
First, since we're talking nearly fuel efficiency, how much fuel weight are nosotros talking nearly here?  Well, y'all listen nearly Jetboils beingness able to hit nearly xix or 20 boils of 500 ml of H2O per boil using a 100 g sized canister.  That plant out to nearly five g of fuel used per boil, best case.  Obviously H2O temperature, air temperature, open fire setting, air current velocity, elevation, etc. are going to touching that number, but for our comparison, let's become amongst five g per 500 ml boil.

My ain sense amongst "regular" canister stoves (i.e. a stove develop without a oestrus exchanger) tells me that it takes nearly vii to 8 g to boil 500 ml of water.  Again that number volition vary amongst conditions, but for our comparison, let's become amongst 8 g of fuel used per 500 ml boil.

If a Jetboil uses five g per 500 ml boil together with a regular stove 8 g, together with then nosotros relieve 3 g of fuel per boil.  Our actual savings volition vary depending on weather condition together with the science of the user, but let's become amongst a 3 g savings per 500 ml boil for our comparison.  Let's also assume that nosotros boil H2O twice a day, in ane trial inward the forenoon together with in ane trial inward the evening.  Obviously, inward existent life, some people volition boil to a greater extent than or less H2O together with volition boil to a greater extent than or less frequently, but let's merely work these numbers for comparative purposes together with come across what they tell us.
Upper Rae Lake, Sierra Nevada Mountains
So, let's plot a quick nautical chart of what our fuel weight savings mightiness hold upward from using a Jetboil vs. a regular stove (full calculations are inward the Appendices):
Trip Length (Days) 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Fuel Weight Savings (g) 6 12 18 24 30 36 92 98 104 110 66 72 78 84

Now, this is merely fuel weight savings, non overall organisation weight savings, but those numbers hold off pretty good.  But what the heck happens on twenty-four hours 11?  How come upward our weight savings declines?  Well, at that point, nosotros lead keep to switch upward to the adjacent larger canister, a 230 g canister when using the Jetboil, a switch that occurred on twenty-four hours vii amongst a regular stove.  This is important; to a greater extent than on this later.

Note that I'm using exact numbers for each 500 ml boil.  In existent life of course, weather condition vary.  Always innovation amongst a margin for error.  In other words, lead a fleck to a greater extent than fuel than y'all mean value you'll involve inward instance weather condition forcefulness y'all to burn downward to a greater extent than fuel than planned.  The numbers hither are for comparing purposes alone together with should non hold upward used for actual trip planning.
Longer trips are where to a greater extent than efficient stoves may relieve weight

Full "System to System" Comparison
The preceding department was merely fuel weight.  To larn a total comparison, nosotros involve to compare the total weight carried of a Jetboil vs. a regular canister stove.  The total weight would hold upward calculated equally follows:  Fuel weight + canister weight + burner weight + pot weight = total weight.  I won't include anything similar canister stands or that sort of thing.

Now at that topographic point are several problems here.  First, how hit nosotros larn a weight for a "regular" canister stove?  I hateful some non-Jetboil stoves weigh 6+ ounces piece some weigh less than 2.   We're going to lead keep to brand some form of a determination hither equally to what burner or burners volition hold upward representative of "regular" canister stoves (non oestrus exchanger laid ups).  Since our goal hither is to relieve weight, it's reasonable to choice a relatively low-cal weight burner.  Nowadays, the lightest burners from major stove companies are mostly coming inward or so 2 ounces (57 g) or less.  I hit computations inward grams, so for ease of computation, let's assume our "representative" non-Jetboil burner is a dainty fifty-fifty number, say, threescore g (2.1 oz).  Realize of course of didactics that at that topographic point are lighter burners or heavier burners.  If you're looking at a special burner, y'all tin merely substitute the weight of the special burner you're interested inward for my numbers here.

Various versions of the Jetboil
L to R:  Joule (2.5 L), Sumo (1.5 L), PCS (1.0 L), together with Sol (0.8 L).
The 2d job is which Jetboil to use?  I hateful at that topographic point is to a greater extent than than ane model of Jetboil.  There's the master copy PCS, the GCS, the Flash, the Zip, the Sol (two dissimilar versions), the MiniMo etc.  Since we're talking nearly low-cal weight, let's select the lightest weight Jetboil ever produced, the titanium version of the Jetboil Sol.  If the Ti Sol can't relieve us weight, together with then no Jetboil tin because all other Jetboils are heavier than a Ti Sol.

Third, what pot should nosotros use?  Obviously the Jetboil Ti Sol comes amongst a 0.8 L pot, but regular stoves hit not.  Since we're talking nearly weight here, I'm going to work a similarly sized "plain" (no oestrus exchanger) titanium pot, the Evernew 0.9 L ultralight pot.

Comparison 1 – Jetboil Ti Sol

So, amongst our comparing of the Jetboil Ti Sol to a regular canister stove laid up, what lead keep nosotros got?  Let's hit the math (full calculations inward Appendix I).  If nosotros work the fuel savings from above, nosotros come upward up amongst the numbers inward the tertiary row of the below chart.  Some of those savings hold off pretty good.  For example, on a 10 twenty-four hours trip, we'd relieve 72 grams overall, nearly 2.5 oz.
Jetboil Ti Sol vs Regular
Trip Length (Days) 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Net Savings, partial cans (g) -32 -26 -20 -14 -8 -2 54 60 66 72 28 34 40 46
Net Savings, total cans (g) -122 -106 -90 -74 -58 -42 24 40 56 72 -92 -76 -60 -44
Net Savings, total cans (oz) -4.3 -3.7 -3.2 -2.6 -2.0 -1.5 0.8 1.4 2.0 2.5 -3.2 -2.7 -2.1 -1.6
Chart of weight savings.  Negative numbers dot that a Jetboil is heavier.  Positive numbers dot weight savings.

But are the weight savings real?  Well, perhaps not.  You'd lead keep to empty your canister earlier your trip to the exact amount of fuel y'all need.  What a hassle!  Oh, together with did y'all allow out also much gas?  Whoops, y'all merely wasted a canister, together with instantly you'll lead keep to commencement over.

What inward reality most people hit is commencement amongst a total canister.  If y'all commencement amongst a total canister, the weight savings are shown past times the 4th line.  There are nevertheless weight savings, but they don't commencement until nearly a week, together with the weight savings are never to a greater extent than than nearly 75 g/2.5 ounces.  Seven to 10 days appears to hold upward the sweetness spot where you'll relieve weight – amongst a Jetboil Ti Sol.  It matters real much which version of the Jetboil ane uses equally nosotros shall come across inward our adjacent comparison.

Comparison 2 – Jetboil MiniMo

OK, let's hit some other comparison, this fourth dimension amongst Jetboil's latest, the MiniMo.  Everything is going to hold upward pretty much the same inward damage of the regular stove except that I'm going to work a bigger pot.  The MiniMo's pot is 1.0 L (the Sol's is 0.8 L), so inward social club to larn a reasonable comparison, I involve a pot that is nearly a liter inward size.  In this case, I volition work the 1.3 L Evernew Ultralight titanium pot.

Here are the numbers (full calculations inward the appendices):
Jetboil MiniMo vs Regular
Trip Length (Days) 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Net Savings, partial cans (g) -174 -168 -162 -156 -150 -144 -88 -82 -76 -70 -114 -108 -102 -96
Net Savings, total cans (g) -264 -248 -232 -216 -200 -184 -118 -102 -86 -70 -234 -218 -202 -186
Net Savings, total cans (oz) -9.3 -8.7 -8.2 -7.6 -7.1 -6.5 -4.2 -3.6 -3.0 -2.5 -8.3 -7.7 -7.1 -6.6
Chart of weight savings.  Negative numbers dot that a Jetboil is heavier.  Positive numbers dot weight savings.

As inward the previous example, the 4th delineate of piece of work is going to orbit us the best estimates of weight savings, but inward this instance depository fiscal establishment annotation that at that topographic point are NO weight savings.  Using a MiniMo volition e'er number inward an overall weight penalty.  The weight savings due to fuel efficiency is insufficient to generate whatever overall weight savings.  The MiniMo is merely also heavy.

Always acquit the smallest practical canister size.  Larger canisters lead keep to a greater extent than steel together with to a greater extent than fuel together with thence to a greater extent than weight.

Concluding Remarks

Perhaps this is obvious from the above, but:
1.  The version of the Jetboil ane uses matters.  Some Jetboils volition relieve y'all weight overall inward some circumstances.  Other Jetboils volition not.
2.  The pot together with stove ane selects for one's regular canister stove matters.  I used ultralight titanium pots inward my comparisons.  If y'all work heavier or lighter pots or stoves, y'all should substitute your weights for mine.
3.  Weight savings are achieved amongst a to a greater extent than efficient stove alone when that efficiency allows y'all to avoid having to switch upward to the adjacent size larger canister (or worse acquit 2 canisters).  Carrying the extra steel inward the larger canister together with the extra gas is a weight punishment y'all desire to avoid.  An extra canister, fifty-fifty the smallest size, weighs nearly 7.4 oz/211 g.  That's nearly ½ pound.  In damage of saving weight, always avoid taking an extra canister or moving upward to the adjacent sized canister.
4.  It's worth noting that all of the weights I'm giving are the weight at the start of the trip.  As y'all burn downward fuel, your weight volition decrease.  Ironically, fuel efficiency plant against you here.  In other words, a stove that burns to a greater extent than fuel volition number inward a lighter charge toward the goal of a trip.  Of course, your pack is e'er heaviest on twenty-four hours one, so weight savings upward forepart are the savings that affair most.
5.  Note that I've used Jetboil stoves inward these comparisons.  However, these things apply to whatever integrated canister stove such equally those from Primus or MSR.

I promise y'all abide by this post helpful.  As always, I give cheers y'all for joining me.

HJ

Appendix I  –  Jetboil Sol Ti vs Regular Canister Stove Calculations

Jetboil Ti Sol Stove
Trip Length (Days) 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Grams per 500 ml boil 5 5 5 5 5 5 5 5 5 5 5 5 5 5
500 ml boils per day 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Total grams fuel needed  10 20 30 40 50 60 70 80 90 100 110 120 130 140
Canister weight (g) 100 100 100 100 100 100 100 100 100 100 150 150 150 150
Total fuel + can (g) 110 120 130 140 150 160 170 180 190 200 260 270 280 290
Regular Stove
Trip Length (Days) 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Grams per 500 ml boil 8 8 8 8 8 8 8 8 8 8 8 8 8 8
500 ml boils per day 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Total grams fuel needed  16 32 48 64 80 96 112 128 144 160 176 192 208 224
Canister weight 100 100 100 100 100 100 150 150 150 150 150 150 150 150
Total fuel + can  116 132 148 164 180 196 262 278 294 310 326 342 358 374
Trip Length (Days) 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Fuel Weight Savings (g) 6 12 18 24 30 36 92 98 104 110 66 72 78 84
Jetboil Sol Burner (g) 102 102 102 102 102 102 102 102 102 102 102 102 102 102
Regular Burner (g) 60 60 60 60 60 60 60 60 60 60 60 60 60 60
Burner Weight Penalty (g) 42 42 42 42 42 42 42 42 42 42 42 42 42 42
Jetboil Ti Sol Pot (g) 106 106 106 106 106 106 106 106 106 106 106 106 106 106
Evernew Ultralight 0.9 L (g) 110 110 110 110 110 110 110 110 110 110 110 110 110 110
Pot Weight Savings (g) 4 4 4 4 4 4 4 4 4 4 4 4 4 4
Jetboil Ti Sol vs Regular
Trip Length (Days) 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Net Savings, partial cans (g) -32 -26 -20 -14 -8 -2 54 60 66 72 28 34 40 46
Net Savings, total cans (g) -122 -106 -90 -74 -58 -42 24 40 56 72 -92 -76 -60 -44
Net Savings, total cans (oz) -4.3 -3.7 -3.2 -2.6 -2.0 -1.5 0.8 1.4 2.0 2.5 -3.2 -2.7 -2.1 -1.6
Full canister fuel weight (g) 100 100 100 100 100 100 100 100 100 100 230 230 230 230
Excess fuel carried (g) 90 80 70 60 50 40 30 20 10 0 120 110 100 90

Jetboil Ti Sol (left), Jetboil MiniMo (right)

Appendix II  –  Jetboil MiniMo vs Regular Canister Stove Calculations

Jetboil MiniMo Stove
Trip Length (Days) 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Grams per 500 ml boil 5 5 5 5 5 5 5 5 5 5 5 5 5 5
500 ml boils per day 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Total grams fuel needed  10 20 30 40 50 60 70 80 90 100 110 120 130 140
Canister weight (g) 100 100 100 100 100 100 100 100 100 100 150 150 150 150
Total fuel + can (g) 110 120 130 140 150 160 170 180 190 200 260 270 280 290
Regular Stove
Trip Length (Days) 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Grams per 500 ml boil 8 8 8 8 8 8 8 8 8 8 8 8 8 8
500 ml boils per day 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Total grams fuel needed  16 32 48 64 80 96 112 128 144 160 176 192 208 224
Canister weight (g) 100 100 100 100 100 100 150 150 150 150 150 150 150 150
Total fuel + can (g) 116 132 148 164 180 196 262 278 294 310 326 342 358 374
Trip Length (Days) 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Fuel Weight Savings (g) 6 12 18 24 30 36 92 98 104 110 66 72 78 84
Jetboil MiniMo Burner (g) 130 130 130 130 130 130 130 130 130 130 130 130 130 130
Regular Burner (g) 60 60 60 60 60 60 60 60 60 60 60 60 60 60
Burner Weight Penalty (g) 70 70 70 70 70 70 70 70 70 70 70 70 70 70
Jetboil MiniMo Pot (g) 240 240 240 240 240 240 240 240 240 240 240 240 240 240
Evernew Ultralight 1.3 L (g) 130 130 130 130 130 130 130 130 130 130 130 130 130 130
Pot Weight Savings (g) -110 -110 -110 -110 -110 -110 -110 -110 -110 -110 -110 -110 -110 -110
Jetboil MiniMo vs Regular
Trip Length (Days) 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Net Savings, partial cans (g) -174 -168 -162 -156 -150 -144 -88 -82 -76 -70 -114 -108 -102 -96
Net Savings, total cans (g) -264 -248 -232 -216 -200 -184 -118 -102 -86 -70 -234 -218 -202 -186
Net Savings, total cans (oz) -9.3 -8.7 -8.2 -7.6 -7.1 -6.5 -4.2 -3.6 -3.0 -2.5 -8.3 -7.7 -7.1 -6.6
Full canister fuel weight (g) 100 100 100 100 100 100 100 100 100 100 230 230 230 230
Excess fuel carried (g) 90 80 70 60 50 40 30 20 10 0 120 110 100 90

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