Going Long and Hard.

fidodie said:
i ignored this part of diffeq, and i'm a scientist - and this is engineering, so...

does the wind cause a significant difference in the rate of change? where an outside component may cool so quickly that
internal stress, or differences across boundaries (ie piston/cylinder wall) would be a problem? i guess that is not relevant if the parts
are already stabilized at -40 and the wind blows on them...

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I'm full-in on the mechanical brake - @jimvreeland - looks like internal routing? anything special at the ends to prevent water contamination?
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yes, thats the only thing the wind might change...the rate at which something cools....but its the air temperature is what it is as far as inanimate objects are concerned. In the case of jim riding from his house to the beach...Im quite certain the brakes would be at ambient temp by the time he got there.

Mumonkan said:
im willing to bet sram gave you the bb7s because either they know the guides cant hack it in low temps, or they legit dont know/didnt test it enough
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Why even take a chance in the middle of Alaska....this is what the term "fail safe" was meant for. Ok plan on this part breaking...will we be fucked? no? ok good, use this then. Di2 on Jims bike...I would say the same thing...Why take any chances.
 
I have nothing else to contribute.

sofia-vergara-pitbull-0d78cac6-177e-4a64-8b57-0e849888fbd4.jpg
 
fidodie said:
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I'm full-in on the mechanical brake - @jimvreeland - looks like internal routing? anything special at the ends to prevent water contamination?
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There are a couple seals there but water can probably get in. I'm not actually worried about that though because the same thing can happen to the shifter cable and I've never had my derailleur freeze.
 
jimvreeland said:
It's OK, I'll bring a tarp with me. That's all Matt Damon used to get his rocket off Mars. If that doesn't work, I can poke a hole in my Space Suit.
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The harder fact to swallow is that he plays the lead roll as an astronaut with some of the most beautiful women they can find to cast in the film with him and he doesn't get laid in the whole movie(800 solar days). wtf
 
Hoping that's the final product. Rode it into work yesterday morning, moved the shifter and brake around when I got there and it was perfect on the ride home. It is a little odd riding just a rear brake but it'll be fine out in Alaska. I actually figured I could even lose the rear bag by swapping my extra bottles into my bibs and stuffing my stove and jacket into the frame bag, but I doubt I have the cajones to pull that off.
 
What is the total weight of your rig now that it's almost completely situated? It looks like a nice efficient setup, but I'm sure you got plenty of odd looks commuting with all those bags.
 
I never talk about real training things. Mostly because real training things like intervals and nutrition are boring. But in recent times, more folks have been asking how I do my long rides barely eating or drinking. As an example, I had less than a bottle of Skratch during the D&L and then the following weekend's ride drank less than 1/2 a bottle in 7-hours. Endurance pace rides under 3 hours I usually don't even bring food or water unless it's a Recovery Day.

The basic gist behind this is basically forcing my body to switch from using Muscle and Liver Glucose over to Adipose Tissue (fat) sooner during my ride. Fat is a significantly longer and more efficient fuel during really long rides and Endurance races. Most people will bonk hard when their short term Glucose is used up, usually under 2 hours, or about 2,000Kj. As your body gets more efficient that 2,000Kj may go a little farther. For me it's somewhere in the 3-4 hour mark. Not eating in the first few hours will force your body to switch over sooner and give you an endless fuel supply. I wouldn't suggest any of this if the ride is under 3-4 hours.

http://www.humankinetics.com/excerpts/excerpts/the-bodyrsquos-fuel-sources
 
vlkslvr said:
What is the total weight of your rig now that it's almost completely situated? It looks like a nice efficient setup, but I'm sure you got plenty of odd looks commuting with all those bags.
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Should come in under 40 pounds with full bottles and spare food. Dry weight is 29-pounds.
 
keto-adaptation ftw!

if you use bibs space for bottles does that cut down on food storage space? if not, go for it, its a race!
 
Mumonkan said:
keto-adaptation ftw!

if you use bibs space for bottles does that cut down on food storage space? if not, go for it, its a race!
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If I ditch the rear bag I can store food in the frame pack, anything cage, inside the pogies, and in the outside pockets of the feed bags. Also have pockets in my jersey and shell. My only concern would be having enough room to ditch my shell as I'm sure I'll end up in a short sleeve jersey at some point. It's a difference of a few hundred grams so I'm not sure if it's worth the risk. I sort of want to bring a bathing suit to sit in the outdoor hot tub at Winter Lake Lodge.
 
that back bag seems like a good idea, just in case you find any liquid water to ride through -
 
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