expiredtejtank posted Dec 09, 2021 04:39 PM
Item 1 of 5
Item 1 of 5
expiredtejtank posted Dec 09, 2021 04:39 PM
Costco Members: Greenworks 80V Jet Brushless Blower w/ 2-Count 2Ah Batteries
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$280
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This is the most powerful blower on the market and I was already impressed with my Kobalt unit. I have the M18 Milwaukee and I liked it until I found the Kobalt. The Kobalt was drastically quieter and about twice as powerful as the Milwaukee.
For relative power ratings and some info/data, the energy in wind speed is a squared factor due to kinetic energy, so twice as fast has four times the energy, three times as fast has nine times the energy. CFM numbers are linear, so doubling the flow, or CFM, takes twice the energy and imbues the wind with twice the energy.
The most powerful EGO claims 180 MPH, but only with a tapered nozzle tip which means the flow rate will be less, EGO does not give a CFM figure for when the blower is used with the tapered tip. EGO claims 160 MPH without the tapered nozzle and 650 CFM.
Brand Model CFM MPH Relative Energy Battery Capacity with std kit
Milwaukee 2724-20, 450 CFM, 120 MPH, 450 * (120 * 120) = 6,480,000 Relative Power, 5.0 Ah 18V, 2 parallel strings of 5 cells, 10 cells total, 2.5 Ahr 18650 Li-Ion cells, 90 Wh (watt-hours)
KOBALT KHB 2580-06, 630 CFM, 140 MPH, 630 * (140 * 140) = 12,348,000 Relative Power, 2.5 Ah 80V, 1 string of 20 cells, 20 cells total, 2.5 Ahr 18650 Li-Ion cells, 187 Wh
EGO LB6504, 650 CFM, 160 MPH, 650 * (160 * 160) = 16,640,000 Relative Power, 5.0 Ah 56V, 2 parallel strings of 15 cells, 30 cells total, 2.5 Ahr 1850 Li-Ion cells, 280 Wh
Ryobi RY404100VNM, 730CFM, 160 MPH, 730 * (160 * 160) = 18,688,000 Relative Power, 4.0 Ah 40V, 2 parallel strings of 10 cells, 20 cells total, 2.0 Ahr 18650 Li-Ion cells, 150 Wh , but two batteries
Greenworks BL80L02, 730 CFM, 170 MPH, 730 * (170 * 170) = 21,097,000 Relative Power, 2.0 Ah 80V, 1 string of 20 cells, 20 cells total, 2.0 Ahr 18650 Li-Ion cells, 150 Wh , but two batteries
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Buurrrrrrrrrrrr tuuurrrrrrrrrrrrrrrrrrrrrrrr
"Wahaaaat?, I can't hear you…"
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My 60v only gets 10 min on 2.5ah
The 4ah batt in my 60v are barely enough to do my front yard in the Fall
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This is the most powerful blower on the market and I was already impressed with my Kobalt unit. I have the M18 Milwaukee and I liked it until I found the Kobalt. The Kobalt was drastically quieter and about twice as powerful as the Milwaukee.
For relative power ratings and some info/data, the energy in wind speed is a squared factor due to kinetic energy, so twice as fast has four times the energy, three times as fast has nine times the energy. CFM numbers are linear, so doubling the flow, or CFM, takes twice the energy and imbues the wind with twice the energy.
The most powerful EGO claims 180 MPH, but only with a tapered nozzle tip which means the flow rate will be less, EGO does not give a CFM figure for when the blower is used with the tapered tip. EGO claims 160 MPH without the tapered nozzle and 650 CFM.
Brand Model CFM MPH Relative Energy Battery Capacity with std kit
Milwaukee 2724-20, 450 CFM, 120 MPH, 450 * (120 * 120) = 6,480,000 Relative Power, 5.0 Ah 18V, 2 parallel strings of 5 cells, 10 cells total, 2.5 Ahr 18650 Li-Ion cells, 90 Wh (watt-hours)
KOBALT KHB 2580-06, 630 CFM, 140 MPH, 630 * (140 * 140) = 12,348,000 Relative Power, 2.5 Ah 80V, 1 string of 20 cells, 20 cells total, 2.5 Ahr 18650 Li-Ion cells, 187 Wh
EGO LB6504, 650 CFM, 160 MPH, 650 * (160 * 160) = 16,640,000 Relative Power, 5.0 Ah 56V, 2 parallel strings of 15 cells, 30 cells total, 2.5 Ahr 1850 Li-Ion cells, 280 Wh
Ryobi RY404100VNM, 730CFM, 160 MPH, 730 * (160 * 160) = 18,688,000 Relative Power, 4.0 Ah 40V, 2 parallel strings of 10 cells, 20 cells total, 2.0 Ahr 18650 Li-Ion cells, 150 Wh , but two batteries
Greenworks BL80L02, 730 CFM, 170 MPH, 730 * (170 * 170) = 21,097,000 Relative Power, 2.0 Ah 80V, 1 string of 20 cells, 20 cells total, 2.0 Ahr 18650 Li-Ion cells, 150 Wh , but two batteries
This is the most powerful blower on the market and I was already impressed with my Kobalt unit. I have the M18 Milwaukee and I liked it until I found the Kobalt. The Kobalt was drastically quieter and about twice as powerful as the Milwaukee.
For relative power ratings and some info/data, the energy in wind speed is a squared factor due to kinetic energy, so twice as fast has four times the energy, three times as fast has nine times the energy. CFM numbers are linear, so doubling the flow, or CFM, takes twice the energy and imbues the wind with twice the energy.
The most powerful EGO claims 180 MPH, but only with a tapered nozzle tip which means the flow rate will be less, EGO does not give a CFM figure for when the blower is used with the tapered tip. EGO claims 160 MPH without the tapered nozzle and 650 CFM.
Brand Model CFM MPH Relative Energy Battery Capacity with std kit
Milwaukee 2724-20, 450 CFM, 120 MPH, 450 * (120 * 120) = 6,480,000 Relative Power, 5.0 Ah 18V, 2 parallel strings of 5 cells, 10 cells total, 2.5 Ahr 18650 Li-Ion cells, 90 Wh (watt-hours)
KOBALT KHB 2580-06, 630 CFM, 140 MPH, 630 * (140 * 140) = 12,348,000 Relative Power, 2.5 Ah 80V, 1 string of 20 cells, 20 cells total, 2.5 Ahr 18650 Li-Ion cells, 187 Wh
EGO LB6504, 650 CFM, 160 MPH, 650 * (160 * 160) = 16,640,000 Relative Power, 5.0 Ah 56V, 2 parallel strings of 15 cells, 30 cells total, 2.5 Ahr 1850 Li-Ion cells, 280 Wh
Greenworks BL80L02, 730 CFM, 170 MPH, 740 * (170 * 170) = 21,386,000 Relative Power, 2.0 Ah 80V, 1 string of 20 cells, 20 cells total, 2.0 Ahr 18650 Li-Ion cells, 150 Wh , but two batteries
I have multiple trimmers, the 2.5 KW 18" Chainsaw, the blower, two backpack batteries, no problems.
I also love that the multitool trimmers from Kobalt and Greenworks are compatible with very inexpensive pole chainsaws and pole hedge trimmers which work wonderfully for trimming poison oak and misc branches on my ranch.
The only complaint I have is I wish my multi-tool head trimmers had 2.5 KW motors to blast through vines and branches with the hedge trimmer attachment.
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I rather think the CFM likely takes a massive hit when necked down with the tapered tip to achieve 190 MPH. Greenworks does not market a tapered tip but I imagine it would achieve higher numbers. Just saw at Toolgraze.net that this Ryobi has 160 MPH at 730 CFM with the standard tip.
Just a note: it takes 41% more power to generate the same airflow at 190 MPH versus 160 MPH and after some quick calculations I put the Ryobi at about 570 CFM at 190 MPH with the tapered tip.
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