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  • ptalar commented on heinzdrei's instructable The Bicycle Bubble Machine6 months ago
    The Bicycle Bubble Machine

    I printed the tanks. I let them sit over night with bubble fluid and they both leaked. It appears they leaked at the bottom in the bubble wheel portion of the tank. When you coated the tank with water proof epoxy glue did you coat the inside of the tank in the bubble wheel section or the outside of the tank. I think coating the inside is more effective for leak prevention. What has been your experience?

    I printed the tanks. I let them sit over night with bubble fluid and they both leaked. It appears they leaked at the bottom in the bubble wheel portion of the tank. When you coated the tank with water proof epoxy glue did you coat the inside of the tank in the bubble wheel section or the outside of the tank. I think coating the inside is more effective for leak prevention. What has been your experience?

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  • ptalar commented on heinzdrei's instructable The Bicycle Bubble Machine6 months ago
    The Bicycle Bubble Machine

    Ok. Thanks. So they are the original engineering format for the parts before they were converted to .STL for 3d printing

    How wide should the board be that the bubble machine sits on? Not clear. First you talk 5cm x 80 cm, then you talk 10cm x 70cm. I understand the length should be 80 cm.Please confirm length and width of support board for bubble machine.

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  • ptalar commented on heinzdrei's instructable The Bicycle Bubble Machine6 months ago
    The Bicycle Bubble Machine

    What are the .scad files used for? How do I get copies of them? What software do I need. Please advise.

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  • ptalar commented on heinzdrei's instructable The Bicycle Bubble Machine6 months ago
    The Bicycle Bubble Machine

    Thank heinzdrei. I will wait for your measurements. My 3D printed parts are being printed. Should be ready next week some time. I am not in a big hurry. But would like to not go through a fastener learning curve. Again, your help is greatly appreciated.

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  • ptalar commented on heinzdrei's instructable The Bicycle Bubble Machine6 months ago
    The Bicycle Bubble Machine

    I know what M2/M3 screws are. We use them in the United States. That is where I am. I am building one of your bubble machines for my wife but don't want to go on a learning curve with the fasteners. I would use your lessons learned approach. So what are the specs and quantity of M2/M3 screws and what is captive nut callout? I assume your term captive nut means self-locking nut? That is what we call them in the United States. Please advise.

    Just give me your German metric all out of fasteners and quantities and I can get them on the McMaster-Carr site here in the United States.

    Just give me your German metric call out of fasteners, nuts, and quantities and I can get them on the McMaster-Carr site here in the United States

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  • ptalar commented on heinzdrei's instructable The Bicycle Bubble Machine6 months ago
    The Bicycle Bubble Machine

    What self tapping screws did you use. I don't want to experiment. Too many to choose from. Please call out the diameter, length, thread type, pitch and fastener type. McMaster-Carr has a number of plastic friendly self-tapping screws, see link below. Please advise.http://www.mcmaster.com/#self-tapping-screws/=12haalqPleae

    What self tapping screws did you use. I don't want to experiment. Too many to choose from. Please call out the diameter, length, thread type, pitch and fastener type and quantity of each type so I can buy them. McMaster-Carr has a number of plastic friendly self-tapping screws, see link below. Please advise.http://www.mcmaster.com/#self-tapping-screws/=12haalqPlease advise.

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