Engines: Difference between revisions
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*20 hp - Kohler $700 - $35/hp + muffler - [https://www.amazon.com/Kohler-KT715-3047-7000-Vertical-Engine/dp/B07VMBP6TY/ref=sr_1_6?dchild=1&keywords=19+hp+poulan+engine&qid=1602900506&s=lawn-garden&sr=1-6] | *20 hp - Kohler $700 - $35/hp + muffler - [https://www.amazon.com/Kohler-KT715-3047-7000-Vertical-Engine/dp/B07VMBP6TY/ref=sr_1_6?dchild=1&keywords=19+hp+poulan+engine&qid=1602900506&s=lawn-garden&sr=1-6] | ||
*'''16 hp - $350 - Poulan''' - [https://www.ebay.com/i/264276331029?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=264276331029&targetid=935431406293&device=c&mktype=pla&googleloc=9023315&poi=&campaignid=10454521601&mkgroupid=104612011660&rlsatarget=pla-935431406293&abcId=2146002&merchantid=101723803&gclid=CjwKCAjwiaX8BRBZEiwAQQxGx9r4Y-vyQnNyLjRltvMhrrzHpTKhKKBBNDEfRq-c8V7h6kQwfRsCShoCjSwQAvD_BwE]. No gas pump, gravity feed gas. But, doesn't come with muffler. {{check}} Has 15A charging. Muffler - [https://www.ebay.com/itm/175165248847?_trkparms=amclksrc%3DITM%26aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D240677%26meid%3D2b51c87e17db41738024f15042da8d56%26pid%3D101195%26rk%3D1%26rkt%3D12%26sd%3D222836122238%26itm%3D175165248847%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplAMLv9PairwiseWebMskuAspectsV202110NoVariantSeedKnnRecallV1BERT%26brand%3DStens&_trksid=p2047675.c101195.m1851&amdata=cksum%3A1751652488472b51c87e17db41738024f15042da8d56%7Cenc%3AAQAHAAABQEro4ql1SUJ1li87bKftud%252BHNR6f%252BZqZvMWaqvYIq1S%252FWkIBqj9FQDQRu6mAcNzuioXWUR932%252F68tDooavd6O6Q4JdsmO1z0012m9wfVebmJhTuY76RcIAgGFyyrGfpumQEjpdh5hZQ4Q6215KlAjHyWmS5fVNesCIlR%252FUTA%252F60d64%252FOz%252F%252FTAZq1CmRzUmkRqcbY8kdX3OcX%252FVibP24fNcfv0fpFpZ%252F9jo%252Fd8wwSkWDkj5EEdSywaOqeknsLrYhx%252FoenQArl%252BiLmk1hqMvLv3NYuOPijyJV4QmlFvPsVKfaE4g%252B%252BR0FZrwQrS6hwcb5VlliZBGUxvoXbjD7PcFDa6%252BfLe7p8bDt5UJFjlj11TthWn90lOvfjjs0MczA4wyYb%252FzGjGPxZrhKH8oRt0jXVKAQU8ee1u%252BXx1JeRFbNTYTEP%7Campid%3APL_CLK%7Cclp%3A2047675&epid=584705005] | *'''16 hp - $350 - Poulan''' - [https://www.ebay.com/i/264276331029?chn=ps&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&itemid=264276331029&targetid=935431406293&device=c&mktype=pla&googleloc=9023315&poi=&campaignid=10454521601&mkgroupid=104612011660&rlsatarget=pla-935431406293&abcId=2146002&merchantid=101723803&gclid=CjwKCAjwiaX8BRBZEiwAQQxGx9r4Y-vyQnNyLjRltvMhrrzHpTKhKKBBNDEfRq-c8V7h6kQwfRsCShoCjSwQAvD_BwE]. No gas pump, gravity feed gas. But, doesn't come with muffler. {{check}} Has 15A charging. Muffler - [https://www.ebay.com/itm/175165248847?_trkparms=amclksrc%3DITM%26aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D240677%26meid%3D2b51c87e17db41738024f15042da8d56%26pid%3D101195%26rk%3D1%26rkt%3D12%26sd%3D222836122238%26itm%3D175165248847%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplAMLv9PairwiseWebMskuAspectsV202110NoVariantSeedKnnRecallV1BERT%26brand%3DStens&_trksid=p2047675.c101195.m1851&amdata=cksum%3A1751652488472b51c87e17db41738024f15042da8d56%7Cenc%3AAQAHAAABQEro4ql1SUJ1li87bKftud%252BHNR6f%252BZqZvMWaqvYIq1S%252FWkIBqj9FQDQRu6mAcNzuioXWUR932%252F68tDooavd6O6Q4JdsmO1z0012m9wfVebmJhTuY76RcIAgGFyyrGfpumQEjpdh5hZQ4Q6215KlAjHyWmS5fVNesCIlR%252FUTA%252F60d64%252FOz%252F%252FTAZq1CmRzUmkRqcbY8kdX3OcX%252FVibP24fNcfv0fpFpZ%252F9jo%252Fd8wwSkWDkj5EEdSywaOqeknsLrYhx%252FoenQArl%252BiLmk1hqMvLv3NYuOPijyJV4QmlFvPsVKfaE4g%252B%252BR0FZrwQrS6hwcb5VlliZBGUxvoXbjD7PcFDa6%252BfLe7p8bDt5UJFjlj11TthWn90lOvfjjs0MczA4wyYb%252FzGjGPxZrhKH8oRt0jXVKAQU8ee1u%252BXx1JeRFbNTYTEP%7Campid%3APL_CLK%7Cclp%3A2047675&epid=584705005] | ||
*{{check}}16hp - $370 - Duromax, $23/hp - [https://www.ebay.com/itm/401764966136?epid=22031750669&hash=item5d8b0edef8:g:MCYAAOSwLgFj3ga8&amdata=enc%3AAQAIAAAA4Nz%2FD3Z%2FXr1IWqWYu9JB1tGUb0fB1P6%2BtNrXDbfvuwo%2ButEIREzeTsRHqRlQTPje9N6c8RvHV6lQntKPc5hSf%2B9VtISIcYQUmShgutLjDGUF%2BQnkJXLRxsiyyqZfZ1Bo%2BfgvXlO2ViAm34GTRREK33tIi%2B9jLzcIJsUAhHUbFhJvzspCN05WslKCKpfBGCpec%2FvMZ2TA5Aa0OWed%2Bm4za0n%2BP77Ooj8EbdfS0OcAmy3b4efc3IWkN%2BhmGaLUbrUVkT32g6JxwiUnlcM00zqlbnyPtES5ZPsdfSrrwXOvOITz%7Ctkp%3ABFBMuMO13v1i] | *{{check}}{{check}}16hp - $370 - Duromax, $23/hp - [https://www.ebay.com/itm/401764966136?epid=22031750669&hash=item5d8b0edef8:g:MCYAAOSwLgFj3ga8&amdata=enc%3AAQAIAAAA4Nz%2FD3Z%2FXr1IWqWYu9JB1tGUb0fB1P6%2BtNrXDbfvuwo%2ButEIREzeTsRHqRlQTPje9N6c8RvHV6lQntKPc5hSf%2B9VtISIcYQUmShgutLjDGUF%2BQnkJXLRxsiyyqZfZ1Bo%2BfgvXlO2ViAm34GTRREK33tIi%2B9jLzcIJsUAhHUbFhJvzspCN05WslKCKpfBGCpec%2FvMZ2TA5Aa0OWed%2Bm4za0n%2BP77Ooj8EbdfS0OcAmy3b4efc3IWkN%2BhmGaLUbrUVkT32g6JxwiUnlcM00zqlbnyPtES5ZPsdfSrrwXOvOITz%7Ctkp%3ABFBMuMO13v1i] | ||
*7 hp - $159 - $22/hp - but no electric start - [https://www.harborfreight.com/65-HP-212cc-OHV-Horizontal-Shaft-Gas-Engine-EPACARB-69727.html?ccdenc=eyJjb2RlIjoiMjYwMDEyOTMiLCJza3UiOiI2OTcyNyIsImlzIjoiOTkuOTkiLCJwcm9kdWN0X2lk%0D%0AIjoiODgxNSJ9%0D%0A&cid=paid_google|*PLA+-+Top+SKUs+-+All+%28Branded%29|Shop+Press|69727&utm_source=google&utm_medium=cpc&utm_campaign=*PLA+-+Top+SKUs+-+All+%28Branded%29&utm_content=Shop+Press&gclid=CjwKCAjw_Y_8BRBiEiwA5MCBJmekp_1bVencitpDjdNbKuXfFBgJjMpvpitWg3gWQVOLRJN7aFkYfxoC450QAvD_BwE] | *7 hp - $159 - $22/hp - but no electric start - [https://www.harborfreight.com/65-HP-212cc-OHV-Horizontal-Shaft-Gas-Engine-EPACARB-69727.html?ccdenc=eyJjb2RlIjoiMjYwMDEyOTMiLCJza3UiOiI2OTcyNyIsImlzIjoiOTkuOTkiLCJwcm9kdWN0X2lk%0D%0AIjoiODgxNSJ9%0D%0A&cid=paid_google|*PLA+-+Top+SKUs+-+All+%28Branded%29|Shop+Press|69727&utm_source=google&utm_medium=cpc&utm_campaign=*PLA+-+Top+SKUs+-+All+%28Branded%29&utm_content=Shop+Press&gclid=CjwKCAjw_Y_8BRBiEiwA5MCBJmekp_1bVencitpDjdNbKuXfFBgJjMpvpitWg3gWQVOLRJN7aFkYfxoC450QAvD_BwE] | ||
*'''18hp Duromax $18/hp''' - has muffler, but not charging {{x}}- such as for a fan - [https://www.maxtool.com/products/duromax-xp18hp-440cc-18-hp-recoil-start-horizontal-gas-powered-engine?gclid=CjwKCAjwzMeFBhBwEiwAzwS8zIiE5wELYBs-whgO_x3sCukvav0_O4DbexejLwm-PdkdHPIqctL4ERoC4sQQAvD_BwE] | *'''18hp Duromax $18/hp''' - has muffler, but not charging {{x}}- such as for a fan - [https://www.maxtool.com/products/duromax-xp18hp-440cc-18-hp-recoil-start-horizontal-gas-powered-engine?gclid=CjwKCAjwzMeFBhBwEiwAzwS8zIiE5wELYBs-whgO_x3sCukvav0_O4DbexejLwm-PdkdHPIqctL4ERoC4sQQAvD_BwE] | ||
Revision as of 17:32, 9 July 2024
About
- 2-strokes have 3-9 hp at 50 cc. See cc to hp - [1]
- Ex - Stihl MS 660 is 7 hp and 91 cc
- 1 hp for $25 for simple small engines.
- 1000 hp are $25k for the largest tractor in the world.
50 cc 2 stroke
- Only 1.3 hp? $50 about. [2]
Large
- JD 9 series engine, 14.l, 450 hp - around $30k [3]
50 cc with Electric Start
- $209 -[4]
3hp
- $40 - [5]
6.5 hp
- For the $/hp ratio, the 212 cc range appears slightly better than the 16 hp range. 420 cc for 2 - cheaper than any 440 cc.
Predator HF $150 212 cc - [6]. Performance review is solid [7]- GX160 clone Walmart $134 [8]. Elect. start $70 more [9]
- Walmart $144 7.5 hp 212 cc Electric Start [10]
- With electric start - 212 cc - $170 [11]
- Honda GX160 clone - $160 - 6.5 hp [12]
20 hp Range
Selection
OSE's 2020 choice for an engine is the Poulan 19 hp x4 for 74 hp - [13]
Gas
- Aliexpress US ship - $11/hp. [14]
The threshold for relatively inexpensive engines is 19 hp.
- 27 hp - $980 - $36/hp - [15]. And needs muffler.
- 24 hp - $870 - $36/hp [16]
- 22 hp - Briggs - $29/hp - [17]
- 20 hp - Kohler $700 - $35/hp + muffler - [18]
- 16 hp - $350 - Poulan - [19]. No gas pump, gravity feed gas. But, doesn't come with muffler. Has 15A charging. Muffler - [20]
- 16hp - $370 - Duromax, $23/hp - [21]
- 7 hp - $159 - $22/hp - but no electric start - [22]
- 18hp Duromax $18/hp - has muffler, but not charging
- such as for a fan - [23]
420 cc
Diesel
- 30 hp Kubota $5000 - $166/hp [27]
- 33 hp Kubota - $6500 [28]
- 65 HP - $6300 - $100/hp [29]
- 200 hp - $55/HP - $11k - Cummins - [30]
- 360 HP Mack used - $10/HP - $3600
- 300 hp [31] $7500 [32]
Considerations
- Until an open source engine becomes a reality, engine repair is expensive. $50/hr, easily comes to the new engine price for the $300 gas engine. This indicates that small engines are essentially disposable goods.
- For the large diesel engine, parts are expensive.
- Until the advent of the open source diesel engine, engine costs remain 10x as high as they should be.
- Until the OS engine, disposable engines are a suboptimal but acceptable strategy to keep costs of engine systems low.
- It is an immediate priority of OSE to develop open source small engines, $11B market (see Market Size) and larger ones are more like 200 billion
Engine Links
- 500 &U 1000 hour lifetime for small engines - [33]
- 2000-4000 year life of car engines [34] - 150k miles
- Tractor engines - 5-10k hours [35]
- Pellet-fired stirling engine buggy - see PDF file
- Several links to various engine types including Sterling, Wankel, Steam, etc. [36].
Types
Rotary