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Author Topic: Roomba Lawnmower Soon.  (Read 19835 times)

Rupert

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Re: Roomba Lawnmower Soon.
« Reply #60 on: October 24, 2019, 08:42:27 AM »
I am sure there is another mower thread somewhere, and it was a couple of years ago.  My neighbours have an acre (100yrds x 50 yards approx) and theit Husqvarna was fitted for £3k. The have a pond, all sorts of different areas to wire round, and the fitter used a chainsaw to cut a groove for the wire in some places.

He has just been turned off for the winter, as we are a bog at the moment... Once sorted, the biggest problem are the dogs toys.
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Brad

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Re: Roomba Lawnmower Soon.
« Reply #61 on: October 24, 2019, 10:26:16 AM »
I think I watched a youtube video of a Husqvarna robot mower shot in the UK a few years ago.  I remember being impressed.
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rcjordan

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Re: Roomba Lawnmower Soon.
« Reply #62 on: October 25, 2019, 04:55:11 PM »
Cutting-edge robot makes short work of gardening chores
https://techxplore.com/news/2019-10-cutting-edge-robot-short-gardening-chores.html


>Husqvarna

IMO, they're the one to beat, though I don't like equipment that markets through big-box chains.  I *think* they have a beefier commercial version in the EU.
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littleman

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Re: Roomba Lawnmower Soon.
« Reply #63 on: June 27, 2020, 03:17:21 AM »
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Brad

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Re: Roomba Lawnmower Soon.
« Reply #64 on: June 27, 2020, 10:50:34 AM »
I think I could save myself a whole lot of money this way.  Thanks LM.
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rcjordan

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Re: Roomba Lawnmower Soon.
« Reply #65 on: October 10, 2021, 11:54:18 AM »
"orders state regulators to ban the sale of new gas-powered equipment using small off-road engines, a broad category that includes generators, lawn equipment and pressure washers."

California law to eventually ban gas-powered lawn equipment - ABC News
https://abcnews.go.com/US/wireStory/california-law-eventually-ban-gas-powered-lawn-equipment-80500839
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ergophobe

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Re: Roomba Lawnmower Soon.
« Reply #66 on: October 12, 2021, 03:17:49 AM »
>>on pace to produce more pollution each year than passenger vehicles.

Wow. And that's not even accounting for noise pollution.
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rcjordan

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Re: Roomba Lawnmower Soon.
« Reply #67 on: October 12, 2021, 01:37:32 PM »
>noise pollution.

I see a good number of articles about cities in other states banning leaf blowers.  That noise is universally hated.

I'm guessing that Calif will allow landscape businesses to use gas/diesel mowers for a good while longer as there is no battery mower that will do a 2 acre yard.  The other small implements like trimmers are already going DC.   At any rate, if this law goes into effect battery-driven mower tech will take off.
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ergophobe

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Re: Roomba Lawnmower Soon.
« Reply #68 on: October 12, 2021, 02:25:18 PM »
Even my conservative, 92-year-old dad switched to a battery mower for the hand mower. He loves it.

But he says he still feels that electric leaf blowers, pressure washers and ride-on mowers are inferior to gas.

I want a good electric pressure washer. The one neighbor has tried five. All of them died. I don't think it's a question of the electricity so much as the electrics just not being professional grade.

And you just can't get the pressure I think. A 5hp motor is 3700 watts. Your standard outlet has a 20-amp breaker, so that means you max at 2400 watts, but realistically about 2000 watts before you trip the breaker constantly. So to equal a gas pressure washer, you need an outlet wired for 240, which usually we North Americans do not have on the exterior, which means that you have to run a 5000-watt portable generator to run your 3700-watt electric pressure washer equal to a gas one.

With, let's say, 37-volt DC, you would need to run at 100amps. That means on one of my 2.5KWh 60-pound Simpliphi batteries, you would get about 40 minutes of use. So with a 12-pound battery you would get 8 minutes.

Not sure of all my math there... but I think that's the issue in general with changing over a 5hp device to an electric, either battery or plug-in.
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rcjordan

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Re: Roomba Lawnmower Soon.
« Reply #69 on: October 12, 2021, 03:00:28 PM »
I keep an AC pressure washer permanently installed under the deck.  I use pws quite a bit, many hours per year.  They last about 18 months, but I get my money's worth out of them.  I'm currently using this one but it is too soon to tell if it'll go the distance.

https://www.amazon.com/gp/product/B083B2M9NT

I keep 200' of hose on a reel.
https://www.amazon.com/gp/product/B01M5CI8OM

Great set-up.

The cheap built-in GFCI on the cord tends to go bad.  I have all my exterior circuits on GFCI so I just cut off the built-in and wire it direct.

Neat accessory I found this year. Works!
https://www.amazon.com/gp/product/B07TSCX5T6

+
I have a gas model but haven't used it in years. PITA vs AC.
« Last Edit: October 12, 2021, 03:03:01 PM by rcjordan »
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ergophobe

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Re: Roomba Lawnmower Soon.
« Reply #70 on: October 12, 2021, 04:06:31 PM »
I looked around. There are some 240V models, but that's too much hassle.

Consumer Reports rates both Greenworks models they review as 5/5 for predicted reliability. 2300psi max. They make a "pro" model that goes to 3000psi, but of course it's low flow because of the power draw. Do you have thoughts on that?
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rcjordan

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Re: Roomba Lawnmower Soon.
« Reply #71 on: October 12, 2021, 05:28:43 PM »
I started out with a super-pro Simpson 4000 psi decades ago.  And, as mentioned, have a 3000 psi Honda around here somewhere.  I use pws for many jobs that others don't seem to have thought of ...it'll dig a hole through loose gravel for your mailbox post, or grade parts of your yard without removing or killing the grass, or fog the house's siding with chlorox or insect repellent, or unclog drain pipes.

My experience was that pws above 2000# are too powerful for many routine jobs.  BTW, I generally use a 0-degree tip with a custom-ized wand.

>240v

I'm hooked on the semi-disposable 120v models.  My efforts go into accessorizing these basic models with injectors, extensions, tips, rather than pursuing higher pressures. Perhaps the worst construction accident I've had was with the 4000# Simpson --lost about 1/4 of my left palm.  That thing would -literally- blow a hole in 1/2" plywood in a heartbeat ...or ruin some cedar siding.

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rcjordan

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Re: Roomba Lawnmower Soon.
« Reply #72 on: October 12, 2021, 05:46:19 PM »
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ergophobe

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Re: Roomba Lawnmower Soon.
« Reply #73 on: October 13, 2021, 04:38:24 PM »
>>0-degree tip

Consumer Reports will not recommend any pressure washer with a 0-degree tip. They say it's dangerous and that 15-degree cleans as well in almost all circumstances. I gather that you beg to differ.

>>dig a hole

That's good to hear. One of my possible uses is to tunnel under tree roots in places where I need to lay drain pipe, but don't want to cut large roots and impact the tree.

>>accessorizing

Neophyte question - all those accessories you linked, are they fairly universal? Is it like, say, compressors, where the hoses are interchangeable and the connectors are standard?
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DrCool

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Re: Roomba Lawnmower Soon.
« Reply #74 on: October 13, 2021, 10:06:39 PM »
>dig a hole

My wife wants me to run some pipe under our sidewalk. Guessing the pressure washer will do a fine job of that.

I got this one last year when it was on sale for I think $300? https://www.costco.com/husqvarna-3200-psi-gas-pressure-washer.product.100742105.html  Seems to do a find job for what I need. Probably a bit overkill but when has that stopped any of us before???
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