Zenith Aircraft Builders and Flyers
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Drilling the oil tank clamp
So, drill four holes in a couple of hose clamps and secure the the oil tank neck to the firewall with the hose clamps. Sounds simple, no? Anyone ever try to drill a hole in a stainless steel hose clamp band? Aaargggh. The clamp laughs and mocks my pathetic drill bits, Anyone have any suggestions?
Replies to This Discussion
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Permalink Reply by David J. Beaulieu on
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New bits and lots of pressure (drill press)...
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Permalink Reply by Shawn Magin on
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Sharp bit...short bursts...pressure
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Permalink Reply by Fred Westbrook on
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Stainless steel creates a lot heat, try to drill quickly, and hard. Not too much drill speed. If the drill sits and spins, without pressure, it will create a lot of heat. Not good.
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Permalink Reply by Jim and Amelia Isaacs on
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Thanks gentlemen, several videos on YouTube but some information conflicts- surprise! I will try slow and steady on the drill press with lots of lube.
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Permalink Reply by Dan Stanton on
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A Whitney punch works great for things like that. No.5 jr.
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Permalink Reply by Joshua smith on
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Use a punch or small nail to start the hole.
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Good stuff, thanks, I’d never heard of a Whitney Punch! I got the job done on the drill press using slow speed with a small sharp bit and some oil to make a pilot hole, then the final size on the press with more oil. I learned using a hand drill with no lube on the work bench is a waste of time when it comes to stainless steel.
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