Straw Bale Calculations: Difference between revisions
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Combined with the [[Road]] article that indicates 13M of available roadsides - | =Intro= | ||
*This page calculated how much straw - of rather hay - is harvestable from roadsides. | |||
*Not so relevant for housing without proper considerations, but relevant for humus and feed | |||
=Calculation= | |||
Combined with the [[Road]] article that indicates 13M acres of available roadsides - and bale density of 110 kg/m3, [https://www.bre.co.uk/filelibrary/pdf/projects/low_impact_materials/IP15_11.pdf] - and a bale yield of approximately 2 dry tons per acre [https://www.google.com/search?q=bale+yield+dry+tons+per+acre&oq=bale+yield+dry+tons+per+acre&aqs=chrome..69i57.7477j0j7&client=ubuntu&sourceid=chrome&ie=UTF-8] - we have: | |||
#26 million tons of bales potential from an unused resource | |||
#236 million cubic meters of bales | |||
#19" straw bales (~50 cm) - R27 [http://homeenergy.org/show/article/nav/walls/page/4/id/1456] | |||
#One cubic meter of bale gives about 2 square meters of wall insulation for 50 cm walls. | |||
#Take [[Seed Home]] - 3000 sf of wall (all-enclosing) or 300 m2, or 150 cubic meters of bale. | |||
#This suffices for about 1.6M new homes. This is more than enough for all new USA construction of 1.2M homes. [https://www.google.com/search?client=ubuntu&hs=noH&sxsrf=ALeKk03h0ug8poU8QSOmt-e1Noig5jXJcw%3A1599236066127&ei=4mdSX82lB5KIytMPgbqXgAU&q=how+many+new+homes+are+built+each+year+usa&oq=how+many+new+homes+are+built+each+year+usa&gs_lcp=CgZwc3ktYWIQAzIGCAAQFhAeOgQIABBHOgIIADoFCCEQoAE6BQghEKsCUJoZWPgdYK0faABwAXgAgAF-iAGQA5IBAzIuMpgBAKABAaoBB2d3cy13aXrAAQE&sclient=psy-ab&ved=0ahUKEwjNnojN8s_rAhUShHIEHQHdBVAQ4dUDCA0&uact=5] | |||
#In the USA, 5.4% were owner-built in the USA - [https://www.nahbclassic.org/generic.aspx?genericContentID=265359&fromGSA=1], so about 65 thousand homes. | |||
#Supply of straw is amply more than sufficient to meet all owner-built homes, which is OSE's target market demographic. | |||
Latest revision as of 22:59, 7 May 2025
Intro
- This page calculated how much straw - of rather hay - is harvestable from roadsides.
- Not so relevant for housing without proper considerations, but relevant for humus and feed
Calculation
Combined with the Road article that indicates 13M acres of available roadsides - and bale density of 110 kg/m3, [1] - and a bale yield of approximately 2 dry tons per acre [2] - we have:
- 26 million tons of bales potential from an unused resource
- 236 million cubic meters of bales
- 19" straw bales (~50 cm) - R27 [3]
- One cubic meter of bale gives about 2 square meters of wall insulation for 50 cm walls.
- Take Seed Home - 3000 sf of wall (all-enclosing) or 300 m2, or 150 cubic meters of bale.
- This suffices for about 1.6M new homes. This is more than enough for all new USA construction of 1.2M homes. [4]
- In the USA, 5.4% were owner-built in the USA - [5], so about 65 thousand homes.
- Supply of straw is amply more than sufficient to meet all owner-built homes, which is OSE's target market demographic.