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Search: Posts Made By: RFSchaller
Forum: RV-12 07-09-2017, 09:01 PM
Replies: 52
Views: 8,399
Posted By RFSchaller
Wow, guys! ... I thought my question about ELT...

Wow, guys! ... I thought my question about ELT batteries kicked a hornets nest, but it's got nothing on this fray!😜
Forum: RV-12 07-07-2017, 05:41 PM
Replies: 52
Views: 8,399
Posted By RFSchaller
When I was in Navy nuclear power school one guy...

When I was in Navy nuclear power school one guy was having a tough time understanding the physics of a chain reaction. The instructor dumped 100 paper clips on the desk and started throwing some...
Forum: RV-12 07-07-2017, 03:32 PM
Replies: 52
Views: 8,399
Posted By RFSchaller
Ron, OK, I see what you are saying. If I...

Ron,

OK, I see what you are saying. If I paraphrase: each blade disrupts the air as it passes with a low pressure in front of it and high pressure behind it. The next blade passes through the...
Forum: RV-12 07-07-2017, 12:48 PM
Replies: 52
Views: 8,399
Posted By RFSchaller
Ron, got this from Engineering Toolbox. It...

Ron, got this from Engineering Toolbox. It describes the phenomenon I'm familiar with in water systems, but I wonder if in aerodynamics it has a different meaning since there is no phase change. I'd...
Forum: RV-12 07-07-2017, 10:48 AM
Replies: 52
Views: 8,399
Posted By RFSchaller
Ron, In Subs we used to get cavitation at high...

Ron,

In Subs we used to get cavitation at high screw RPM running shallow, but it was due to the water flashing to vapor in the low pressure regions around the blade and then the bubbles collapsed as...
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