truncated

Re: Use undersized bag til I make new one?

Thanks ShorePoints I took a look at the truncated cone and decided to go with the tapered pillowcase design since I wasnt sewing it myself. It was easier to explain. I may just have to make one of those. Though I've heard people have had a lot ...

Forum: BIABrewer.info and BIAB for New Members
Topic: Use undersized bag til I make new one?
Replies: 5
Views: 13378
6 years ago
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Re: Use undersized bag til I make new one?

Dread piratewes - 1) use the site search feature (upper right corner) to look for the word truncated See the third and fifth posts down on the hit list. 2) You could fill your small bag(s) with grains, tie them shut and put one or both in the mash step inside the bag ...

Forum: BIABrewer.info and BIAB for New Members
Topic: Use undersized bag til I make new one?
Replies: 5
Views: 13378
6 years ago
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Preparing for first attempt at Biab

... my kit. The kettle is a 30l 2.5kw electric tea urn. I have modded it so that it will maintain a rolling boil without cutting out. I made a truncated cone bag to fit it. I want to attempt a maxi Biab to attain 23 litres into the fermenter so will heat my sparge water on the stove top. I ...

Forum: BIABrewer.info and BIAB for New Members
Topic: Preparing for first attempt at Biab
Replies: 4
Views: 12702
7 years ago
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Re: My First Post! - Post here to become Fully Registered

... kettle inside. Look for sewing instructions http://lukasholenweg.com/biab_bag_calculator/ and here http://www.biabrewer.info/search.php?keywords=truncated&sid=b01f4ebfcb78bb8013f415c647ada1be or purchase a bag on line.

Forum: BIABrewer.info and BIAB for New Members
Topic: My First Post! - Post here to become Fully Registered
Replies: 8966
Views: 8550225
8 years ago
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Re: instructions for sewing a truncated cone bag

I wrote a guide with alot of pictures:

http://lukasholenweg.com/2017/02/15/mak ... -biab-bag/

Hope you will find it useful.

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: instructions for sewing a truncated cone bag
Replies: 54
Views: 88842
8 years ago
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Re: instructions for sewing a truncated cone bag

Nice

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: instructions for sewing a truncated cone bag
Replies: 54
Views: 88842
9 years ago
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Re: instructions for sewing a truncated cone bag

Another happy owner of a truncated cone bag (wife made it

). Thanks for all the info.

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: instructions for sewing a truncated cone bag
Replies: 54
Views: 88842
9 years ago
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... you also guessed the right way. If it does not open in the reverse direction it would explain the air-tight occasion. If the disc is a part of the truncated cone and not reversible, then the only thing I can think of is that a diaphragm inside got inverted.

Forum: BIABrewer Old Hands
Topic: [Solved]: Silcone air-lock not working.
Replies: 17
Views: 28156
9 years ago
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I just made a online calculator for the truncated cone bag:

http://lukasholenweg.com/biab_bag_calculator

Many thanks to mr.jadkowski for the formulas and bionut for the excel calculator!

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: instructions for sewing a truncated cone bag
Replies: 54
Views: 88842
10 years ago
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:D cut a small trapeze out of paper and try to make a truncated cone, you will see that will not be a perfect cone, the bottom circle will not be flat. Measuring the angle is the only way to get a perfect cone shape bag, or maybe trace it with a big ...

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: instructions for sewing a truncated cone bag
Replies: 54
Views: 88842
10 years ago
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This way you won't get a truncated cone shape, after you sew the margins together the bottom won't be a plane disc but some kind of elipse. It will work like charm this way too, but will not be too pretty.

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: instructions for sewing a truncated cone bag
Replies: 54
Views: 88842
10 years ago
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This way you won't get a truncated cone shape, after you sew the margins together the bottom won't be a plane disc but some kind of elipse. It will work like charm this way too, but will not be too pretty.

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: instructions for sewing a truncated cone bag
Replies: 54
Views: 88842
10 years ago
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... the diameter to keep the boil off under control. With that diameter he will be good with a simple tapered bag, no need to complicate things with a truncated bag. When you have a small opening and a big height it can be useful to have a truncated cone bag. If the boil off is a problem to you you ...

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: instructions for sewing a truncated cone bag
Replies: 54
Views: 88842
11 years ago
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... Yeast" ok? If I make a starter out of that, what size should it be? 1,5 liters? I'm going to go by some of that "Voile"- stuff and try to make a "truncated cone"- bag.

Forum: BIABrewer.info and BIAB for New Members
Topic: Buying malts for my first batch ("All Amarillo APA")
Replies: 9
Views: 9141
11 years ago
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... go with the BIAB. I'm sure I'll find here what I need! P.S. I don't know if it's just me but I downloaded the Commentary and it stops at page 8 (truncated)..why is that?

Forum: BIABrewer.info and BIAB for New Members
Topic: My First Post! - Post here to become Fully Registered
Replies: 8966
Views: 8550225
11 years ago
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And finally the truncated bag inspired by Bob Brews. See the truncated bag post for details.

While Im at it I also used a refractometer and a digital thermometer used with a floating bowl in the mash.

Forum: Brew Day Stories and/or Pics
Topic: First AG and first BIAB with BIABicus. Success! With pics
Replies: 13
Views: 13803
11 years ago
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Very nice job phyten

.

Did you try out bionut's spreadsheet in the truncated cone thread?

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: BIAB Bag...
Replies: 13
Views: 15151
12 years ago
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BIABrewer.info posts that made a difference to me.

... but please use this thread to make a note of any posts or threads that you find particularly useful on BIABrewer.info The thread titled Sewing a Truncated Bag is excellent work by Mr Jadkowski. I dont know if many noticed but Bionut has added some additional excellent work in post #24. http://www.biabrewer.info/viewtopic.php?f=53&t=2052 ...

Forum: Your Feedback
Topic: BIABrewer.info posts that made a difference to me.
Replies: 8
Views: 12685
12 years ago
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My goodness, I've seen it all now. shibolet's square kettle and okutu's truncated one :shock: :lol:. Welcome to the forum okutu :peace:, Here's a few notes for you... Before doing any Maxi-BIAB adjustments, it is a good idea to understand how each adjustment ...

Forum: BIABrewer.info and BIAB for New Members
Topic: First BIAB preperation help
Replies: 8
Views: 9171
12 years ago
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... being larger at the top than at the bottom. I am fairly confident with my manual capacity measurement as the maths for calculating the volume of a truncated cone (V = π×H×(B²+T²+(B×T))⁄3 where H = height, B = base radius and T = top radius) back up what I got from filling it with water. Assuming ...

Forum: BIABrewer.info and BIAB for New Members
Topic: First BIAB preperation help
Replies: 8
Views: 9171
12 years ago
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... support :D @Pistol, thanks by my girlfriend ;) Now i check the fit of my bag... its awesome, very well! The tutorial "instructions for sewing a truncated cone bag" was very helpfull. https://dl.dropboxusercontent.com/u/9419862/Brew%20in%20a%20BAG%21/IMG_2359.JPG https://dl.dropboxusercontent.com/u/9419862/Brew%20in%20a%20BAG%21/IMG_2361.JPG ...

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: Build a BIAB-Bag for 100liter (26 gallon) Batches
Replies: 18
Views: 30895
12 years ago
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hashie, how much fun are threads like this? :thumbs: :party: :champ:. You probably missed the " instructions for sewing a truncated cone ba g" thread. I have only skimmed it but it looked amazing... Advanced , at least a few guys have followed the instructions in the truncated cone ...

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: Build a BIAB-Bag for 100liter (26 gallon) Batches
Replies: 18
Views: 30895
12 years ago
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Re: instructions for sewing a truncated cone bag

I think you've give maths-phobics nightmares lol

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: instructions for sewing a truncated cone bag
Replies: 54
Views: 88842
12 years ago
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instructions for sewing a truncated cone bag

... for you.] This is a step-by-step tutorial for generating a fabric pattern for the two main pieces of fabric you will need to sew a fustrum(truncated cone)-shaped brew bag. You will cut one circular panel that will be the bottom of your bag, and one long, curved panel that will form the ...

Forum: Bags, Mashers, Thermometers, Kettles etc.
Topic: instructions for sewing a truncated cone bag
Replies: 54
Views: 88842
12 years ago
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... my first BIAB brew session next weekend, and in the process of planning to sew my bag I've come up with a system for making a fabric pattern for a truncated-cone shape brewing bag (the ideal shape?). I'm a somewhat novice sewer with a sewing machine, but I've done some bits of upholstery before ...

Forum: BIABrewer.info and BIAB for New Members
Topic: My First Post! - Post here to become Fully Registered
Replies: 8966
Views: 8550225
12 years ago
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Search found 26 matches: truncated

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