Custom frame build cb360
- Thread starter jag767
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jag767
Over 1,000 Posts
Re: Ground up custom frame build, need help!
The tubing is actually just fine for a frame, just sounds more ridiculous when I share where it came from than anything else. The main reason this is not going to be a functional rider is the rake I plan on. The trail is going to be tremendous. I'm still playing with different design options, so once I have something mocked up we will see.
VonYinzer said:
The tubing is actually just fine for a frame, just sounds more ridiculous when I share where it came from than anything else. The main reason this is not going to be a functional rider is the rake I plan on. The trail is going to be tremendous. I'm still playing with different design options, so once I have something mocked up we will see.
jag767
Over 1,000 Posts
Re: Ground up custom frame build, need help!
Yea I know the motor is rough haha. That's a great 360. I think once I have something mocked up everyone will see I'm not as crazy as it would seem. I'm trying to get it long and low, which is going to present some challenges, but nothing above what I can tackle ( I hope ???)
I have to get some more components ready to start building the frame, hope to have something layed out Monday or Tuesday.
trek97 said:this is getting weird in a familiar sort of way...
Heres a 360 thats a work of art and is functional.
Yea I know the motor is rough haha. That's a great 360. I think once I have something mocked up everyone will see I'm not as crazy as it would seem. I'm trying to get it long and low, which is going to present some challenges, but nothing above what I can tackle ( I hope ???)
I have to get some more components ready to start building the frame, hope to have something layed out Monday or Tuesday.
jag767
Over 1,000 Posts
So we decided to throw a 3.5 inch stretch in the rear, makes for much more room for the seat sonce im think of running 90/90 21 for the wheel/tire combo. Have to finish bentong up the tube, should have it all tacked up and together tomorrow, then i can ditch the swingarm.
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Kamn
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how do you like the everlast welder??
the top tube is a glaring issue.you see it is not just the size of tube .was the wall thickness even the same as a 360 ? but also the length of run makes more difference than the gauge of tube and also how straight that tube is and above all how much it is allowed to deflect/flex regularly in its use because of the overall design
i wish you well and hope you realize that if all of these things are ignored and allowed to come into play you end up with a cascading effect much greater than any single one
it is astounding but i think you hit the mark on all of them unless you plan on at least doubling or tripleing the flex resistance with gusseting alone
im just sayin
i wish you well and hope you realize that if all of these things are ignored and allowed to come into play you end up with a cascading effect much greater than any single one
it is astounding but i think you hit the mark on all of them unless you plan on at least doubling or tripleing the flex resistance with gusseting alone
im just sayin
jag767
Over 1,000 Posts
xb33bsa said:
If you take a close look theres a football field of room between the backbone and the bottom motor mounts. A second backbone is going in, which will serve as the top motor mount. The gussets will go in after that. Also adding tubing around other joints around the frame to gain strength. Then gussets will be added as well. That is only the general design, I was anxious to get it in a roller. I will be going overkill with getting it good and rigid. As far as the metal in the backbone, exact same wall thickness as what was there.
the green tube could help but im not sure it is correct if you look at a ducati space frame for example the inner lattice tubes are not coming in at 90 degrees they all walk through more like 45's in pairs
and the gussets should always be on the outside near center line not the closest center reach
and the gussets should always be on the outside near center line not the closest center reach
Well, I was all set to sit back and watch your very interesting project, but decided I would add my 2 cents. The lovely curved elements you want to use make a pretty complicated structure from a "what will it do, how safe will it be and what will be likely to fail" perspective. I realize you are not building a road race bike, but I am getting the vibe that you do want it to be functional and not dangerous. I say go all in on the curves and go forward not expecting to put a million miles on it. With that in mind, I offer the following suggestion. It will still be bendy, but "eagle eye" engineering says it should have pretty good lifespan before it fatigues noticeably. Even bendy things need loads spread out a bit to not have them gang up too much on a particular point. I will leave it to you to conjure gusseting if you like this direction. Looking forward to see where you go with this project!
