u/Gunflint_RR2

I see Lymow has released the production kit for the 1+ cooling solution. I was one of the Betas testing with the 3D printed design. I can say that my testing was successful. I had my unit parked in the sun in the middle of the hottest part of the day for an hour, per the testing protocol, and then it ran my unit. Starting deck hood temp was 141.3 F. My grass was long and my RPMs were Power. No blade stoppage or derate. I did a multihour run and checked the hood temp every 30 min. Highest recorded temp was 143.6 F.

Installation was a little tricky, but i know many of us gave suggestions to simplify it, and it sounds like Lymow listened to us.

If you have overheating problems and haven't ordered the free kit yet, I would do it.

I've had my 1+ since March. I've had issues, and I'm on my second replacement. But, overall it seems I have it dailed in and I'm happy with the performance. With a 1 acre yard I mow half each day to keep my yard at 3".

I just purchased a Yarbo Referbished unit from Yarbo with Snowblower and SAM. I bought it months before I wanted to, but i was spooked with the FCC announcement and the unknowingness of the US market now.

The Yarbo is primarily my snowblower option. I'm going to see if the Patrol option is any good and I want to use the core to pull a broadcaster so I can do my own weed&feed.

The reasons I didnt do Yarbo instead of Lymow for mowing was weight, length, sound and price. I haven't turned on my Yarbo yet, but i can tell you the weight and length are a huge difference. They must have made the core out of lead. Without the battery in the Yarbo, it still vastly outweighs the 1+ with battery. I don't know how it doesnt totally bald turn around points when it mows.

Yarbo does have a lot more online resources. It is much easier to research issues/solutions.

My unit came with a bent rear fender which doesnt allow me to get into the power compartment, so I can't turn it on. Put in a service ticket and that same day they asked me to confirm my address to get a replacement bumper. Very encouraging.

However, when I looked at how to remove the bumper, it's attached via rivets. So, even if they want to me to remove the current rivets, don't see how I'll put in new ones. We'll see. Their "how to" replacement video shows the same bumper with screws, not rivets. So that is less encouraging since it looks like the replacement procedure is out of date and I'm getting a part I can't replace.

As time goes on, I'll give more observations comparing the two systems. I will say, I'm really looking forward to the free for life netRTK on the Yarbo.

Edit - Yarbo is harder to set up. It took me a weekend to find the right place for the Lymow RTK and that was the extent of the time consuming set up. I guess that and defining the territories in my lawn map took a little time to walk. Yarbo for me has had more connection issues and syncing issues. Screwing in the halow antenna into the data center broke the antenna. My e stop is permanently engaged regardless of button orientation. I'm an alright troubleshooter, but this has got me frustrated.

I have my fan and cowl installed on my mower. Unfortunately, we've had some thunderstorms and unseasonably nice temperatures lately (it's the hottest part of the day, and we're only at 79 F).

The fans snap into the motor, so it is a snug fit. The cowl (Lymow calls it a volute), was a little tricky to install because you need to fit the motor wires under and beside it. But I got it screwed down; there is no way the wires will rub against the impeller. On the non-cowl motor, you use the wire clasp removed from the first motor and use it as a second clasp on the non-cowl motor wires, so there is no way that impeller can wear on those wires. Finally, you have to remove the plastic ribs on the underside of the deck cover to avoid a clearance issue with the higher profile made by the cowl. I'm assuming removing the ribs will also benefit the air routing under the hood, meaning more air movement equaling more cooling power.

Other than that, I'm just charging up my machine and then I'll go run it.

I was selected to test out the fan cooling system for the 1+. I just started printing the material which entails 2 fans and a cowl-like hood that goes over the left motor fan. I'm using ASA.

The design and install are fairly simple, and i can understand why this may work. I won't be able to do the testing Lymow requires until next weekend.

I can't share the STL files as Lymow was adamant that this beta design may still require improvements before wide release. Sorry, I know there are some that are really needing a solution.

A small solace may be that Lymow has sent out a beta test system that may turn out to be a fix in the field solution.

I received my second replacement, which was triggered by an FPV issue. As get it ready for launch, I took off the chute cover/subframe, and then rolled it over to put on Nate's roller, I notice that the belly plate screws have torque marks. My previous 2 did not have that. This is a very good sign that they have increased their build and verification standards for units shipping now.

I had planned to take off the deck hood and put some Loctite 290 on the lift plate bolts as a prophylactic measure, but now I'm going to take a wait and see approach

And, before other say it, there are some that believe you shouldn't apply green wicking tread lock if Blue or Red has already been applied. I didn't find consensus in my research, but it did seem that Green wicking would not degrade already cured thread lock. If the thread lock during assembly was applied correctly, there just wouldn't be anywhere for Green wicking to go, so it would add no added locking stregth.

Thus far my 1+ has been terrific. However, while traveling for work this week I started getting a Bumper Jam (E44) I couldn't clear and when docking i started getting an intermittent Charging Not Detected (E51). When i got home I notice my bot had punched a sunroof in his deck.

I was fairly certain the lift plate was loose at the connection point to the deck. Took it apart today and confirmed that was exactly the problem. Of the 4 bolts, only one still was holding, and that was backed out half its length. Two were backed out completely and the 4th bolt was sheared. Reset two of the original bolts and used two new bolts, and applied Loctite 290 to all 4. Just FYI, they are metric M5 18mm socket head bolts.

Reassembled everything and reconfigured the bump sensors. All the errors went away. No issues cutting or docking now.

I already have a replacement coming because of a FPV issue. Before I put that one out to mow its first track, I'm going to loctite those bolts.

If you start getting recurring bumper jam errors with nothing impeding the bumper along with charging issues along with the deck digging into slopes it never used to, all 3 in combination may mean those bolts are loose. The bot thinks the deck should be in one spatial orientation, and because its loose, its not where it should be.

Best cut I've had with my 1+ this season. We've gotten some good rain over the last 3 weeks and today I finally put on Nate's roller. The photo is Tenzing half way through my front lawn. This is the look I wanted when I took a chance on a robotic mower.