Rat Rig Community [Unofficial]

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Rat Rig Community [Unofficial]

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fix-my-print

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fix-my-resonance

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rival-black
rival-black12/7/2022

V core 3.1 500

I just build and test my V500. I don't know whether it is good or not. Y axis recoommanded shaper and accel seems to low to me. (mzv 3400) is it normal for V500?...
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conscious-sapphire
conscious-sapphire12/6/2022

VC300 belt tension?

Just ran for first time, didn’t realise was so out.. Is higher or lower better? I take it the higher up the graph the slacker the belt? What’s good numbers?...
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sharp-indigo
sharp-indigo12/3/2022

vc300 should I try to improve this?

belts are not evenly tensioned yet, this is after modding motor cages (decoupled now)and fixing some bad bearings
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fair-rose
fair-rose12/2/2022

V-Core 500

My shapes look like this, I still have to cut my belts. Are my belts thight enough to be cut?
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metropolitan-bronze
metropolitan-bronze12/2/2022

Is the ADXL345 just unreliable?

qv my post in the 'other place' about getting very different results from my frequency response comparisons (readings with the same procedure spaced 24 hours apart in a locked and unoccupied room produce wildly different results on my V-Core 3/400). I've now got three ADXL345's and today have run MEASURE_AXIS_NOISE and ACCELEROMETER_QUERY on each of them a number of times. Nothing was done between each test apart from changing the ADXL345 and I wasn't in the room when the tests were run. There seems to be a high degree of variability in the results of each measurement and none of the three sensors seems much worse or better than the others. ...

Resonance help for v-core 3 500

I just completed the update of my v-Core 3 500 to 3.1. I am really struggling to get it dialed back in and went to try out the new belt tension macro and after watching the video's and reading the old messages I believe my issues are the resonances. After seeing my first graphs and observations during the test I could hear vibrations coming from umbilical attached to the EVA. I have reprinted and reinstalled slipped heat inserts making that attachment stiffer. I also have the mesh table and I added corner bracing to that and used a clamp to anchor it the x direction. I have checked various bolts etc but not finding anything.
I would like to get some advice on where to start or if maybe someone can see something specific to look at since it's such a pain to dismantle ....
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FAQ

This will be the crowed sourced FAQ. To help people with most common issues I want to build a FAQ section for each forum. Reply here to add questions and answers for common issues of this forum. This can also be helpful information like videos....

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General Forum Posting Rules: - Read the pinned posts and the #FAQ ! (click it if it says unknown) - Use descriptive titles. ...