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This project has evolved some , the basic rundown is I'm modding two Omnibots , one a regular the other a larger 2000 model. I will have two ezb kits , rad base idea was thrown out because of so much noise but could go back on the table if the omnibot drivetrain is too weak to pull it.
By jstarne1
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Where do you get your epoxy from?
Yes I would also like more info on the epoxy. That is really a great way to do it, replace the crappy part with a stronger solution.
Heres a additive link ill try to find specifically what i have https://www.amazon.com/System-Three-Silica-Thickener-Quart/dp/B0035YGKZC/ref=sr_1_15?ie=UTF8&qid=1348095505&sr=8-15&keywords=epoxy+additive
https://solutions.3m.com/wps/portal/3M/en_US/Glass/Bubbles/ https://bcove.me/bv4xub4k
I have a quart sized container. You added it to your epoxy mixture for lower weight. Thinner layers and higher strength. I will post a picture of my bottle tonight if i remember.
My idea for elbow joint is a bolt threaded through the arm and epoxied so it cannot spin. Theres two washers and two nuts on inside and outside of the fore arm. Between the washers i will apply grease for smooth movement.The epoxy i usually use is from walmart but most hobby suppliers sell it.
Fiberglasssupply.com has bulk options to get great deals on materials and epoxy.
https://www.fiberglasssupply.com/Product_Catalog/Fillers/fillers.html Micro bubbles from 3m at a great deal
Epoxy for structure. clear finishes. Bonding. uv resistant ect https://www.fiberglasssupply.com/Product_Catalog/Epoxy/epoxy.html
Cheapest resin is polyester resin. good for general use with fiberglass cloth to make cheap strong parts. You pay for what you get. Epoxy is stronger. https://www.fiberglasssupply.com/Product_Catalog/Polyester_Resins/polyester_resins.html
i used something close that epoxy before,but better is aluminium,very light weight stronger then epoxy and parts easy to remove as i get my frame design you can see how its done
I did simple things like sanding last night. I also glued in the shoulder pieces as well. i will pick up spray primer and start priming.pieces so i can see low areas and get the surface all uniform. I believe i am about to. Start a new thread tonight with the priming and let this thread be a reference for what has happened so far.