Go Kart Fun!
Looks like you may only need to notch the plate where the sprocket on the jackshaft falls.
As for that cage, what part actually contacts the frame? You may be able to do some creative reorganization (cutting/welding - you did start practicing, right? 😁 ) To gain some room for everything while keeping it stiff and strong.
Of course I've been practicing....in my mind 😆 I'm thinking about just removing this little square with my cut off wheel.
This is how they used to connect. So I'd have to angle them out wider. It could be done. I'm just not sure if I want to. I'm almost thinking about building something completely different if I decide to keep something there. It it's just in the way. Especially if I get a different exhaust which I want to. This one with no mufflers just a little bit too loud.
I'm just wondering how much that cage contributes to the overall rigidity and strength of the overall swingarm. Right now I see the weakest point being the pivots by the seat. If you remove the cage, even with the engine plate welded in, how much would that swingarm flex? Especially in a twisting motion left and right?
What I was actually contemplating was to more or less cut the uprights off and swap sides so they are angled more upright or outward (missing the shocks of course) and then reconnecting them crosswise with an upward bow so you can gain the room you need.
See, a good use of your mental practicing! 😉
I was contemplating something like that. I don't think it's adding much to that part of the rigidity. But I'm sure it is adding something. It's kind of interesting how it connects. That back part actually comes right off. It's only connected to the frame and four spots. The shocks are bolt connected and then the front half is connected to the back half with two bolts.
I'm going to try to get a test run hopefully out of it next week. That is if I can get someone to weld the plates. I guess we will see.
I've been really busy so I haven't really got a chance to work on this for a while. But I was able to get a friend to help me weld on the plate to mount the engine. I have a few more upgrades to the engine I want to do and I have to resize the chain. Although this is probably not the chain is going to stay on there. I plan to go with a heavier duty chain something like a #40 but I should be able to easily figure out what the gearing ratio is that I want before I order all of that.
Well I finished the go kart today. Ended up having to put on a 40 chain. The 35 chain just kept popping off. Overall, I'm really having fun with it. Both kids love it! They were sad when it was time to put it up. But the weather wasn't really cooperating today.
I also plan to upgrade the springs to 28 lb to help with the higher RPMs. But that's all I plan to do for the time being.
Looks good! Can't wait to hear your impressions once you've run a few tanks of gas through it.
Update. I'm really enjoying it. Unfortunately I have a few things going on. The first is the brakes went out. I ordered new caliper and it's on its way. I took a quick video of me driving it through the woods. Keep in mind I'm going pretty slow because I have no brakes. But so far it's really fun. I am having a problem with it going through belts. So I'm going to contact go powersports and see if they have an idea of what I should do next. See if I need to upgrade the torque converter or go to a clutch.
Do you have the belt on the right way? The 2 sides are not, or should not be, symmetrical. One side should be closer to vertical while the other is on more of a slant. If you look at the pulleys, it should be evident which side is which. Putting the belt on the wrong way will cause the pulleys to only contact an edge of the belt instead of the whole face, accelerating wear and eventually exhibiting slippage.
But yeah, check to see what the ratings are for the torque converter and belt. If it's right near the weight and torque limits of the kart/engine, especially when loaded with 2 people, then an upgrade would be beneficial.
Brakes are overrated, that's what crash bars are for.😜 It sure looks like lots of fun. I bet everyone is enjoying it.
I swear you know about everything. It's pretty amazing. But yes I did make sure the belt was the right way. It's kind of cool too because the belt actually tells you on it which way towards the engine. But of course it was watching some other videos where they explained it a little differently as well like the slanted side goes towards the outside of the torque converter. It also matches up with the torque converter which also has a slaint on it. But I am thinking of running a little bit too much for the weight. I might end up having to go to a 40 series torque converter. I really don't want to go to a clutch, but if I have to I will.
Thanks, I try to be well rounded.
I figured you had the belt on correctly, but had to ask anyway.
The 40 series should do. I'm not sure, but I think that's their popular "big boy" that is rated for way more power and weight than what you're playing with.
You are definitely well-rounded. My wife said the same thing about me, but then I realized she was talking about my figure. 😆
Yeah the 40 series is typically between 8 to 18 horsepower. I'm not sure exactly how much horsepower the predator 212 puts out with the upgrades that I have on it. But as I continue doing more upgrades it'll continue to add more horsepower and my understanding can go up to 12 horsepower or more.
My main concern is the weight of the buggy itself. It's a lot heavier than what most people put a 212 on. I'm not sure if that's actually an issue or not though.
Your wife and mine must be cut from the same mould, I almost typed the same thing! LOL 🤣 🤣
Yeah, I think it's the weight of the cart more so than the engine output. There's only so much surface area on those belts, and if they are smaller than the 40 series belt, I could see them wearing quickly under "more than design" load.
Yeah, I think you're right. I'll see what they say. If they think I should go up to a 40 series, I may take a look for a real cheap snowmobile instead. It would be about as much, and definitely shouldn't have an issue with the weight
...It would be about as much, and definitely shouldn't have an issue with the weight
This, he says, is true.