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Hi everyone,
Just thought I'd share some results from my recently completed mpp rev e.
Having no previous experience and very much a beginner with circuits I found this build challenging and at sometimes very frustrating, how ever I managed to complete a working mpp rev e with only a few errors and blown components along the way.
The finished detector including coil weighs only 1.4kg thanks to a light weight carbon fiber housing which I have connected to rx lead and from what results I have I believe it works as a half decent Sheild.
The 10 inch coil is wound from magnet wire I salvaged from a microwave. It has 3 strands not sure on wire size but they are very thin and 26 turns. All housed in a fully carbon fibre ring with supports aswell. I currently have it critically dammped at 1150 ohms although i know it may be the wrong value but I have yet to fully understand my PC base ossiliscope and there is just way too much noise in my area so I have no idea what signal I should be looking for However it works😀
Air test.. Sampling at 6us are the following results
Australian 50c coin --- 45-47cm
Australian 10c coin --- 35-37cm
Australian 2$ coin --- 33-35cm
Small gold chain --- 19-21cm
women's gold ring --- 33-35cm
Correct me if I'm wrong but I believe that these results aren't too bad. I played around making about a dozen coils in all sorts of designs but this one beats them all by quite alot,
anybody else getting these distances from a 10inch mono coil or something similar?.
Pictures below are of objects tested and finished detector.
Just thought I'd share some results from my recently completed mpp rev e.
Having no previous experience and very much a beginner with circuits I found this build challenging and at sometimes very frustrating, how ever I managed to complete a working mpp rev e with only a few errors and blown components along the way.
The finished detector including coil weighs only 1.4kg thanks to a light weight carbon fiber housing which I have connected to rx lead and from what results I have I believe it works as a half decent Sheild.
The 10 inch coil is wound from magnet wire I salvaged from a microwave. It has 3 strands not sure on wire size but they are very thin and 26 turns. All housed in a fully carbon fibre ring with supports aswell. I currently have it critically dammped at 1150 ohms although i know it may be the wrong value but I have yet to fully understand my PC base ossiliscope and there is just way too much noise in my area so I have no idea what signal I should be looking for However it works😀
Air test.. Sampling at 6us are the following results
Australian 50c coin --- 45-47cm
Australian 10c coin --- 35-37cm
Australian 2$ coin --- 33-35cm
Small gold chain --- 19-21cm
women's gold ring --- 33-35cm
Correct me if I'm wrong but I believe that these results aren't too bad. I played around making about a dozen coils in all sorts of designs but this one beats them all by quite alot,
anybody else getting these distances from a 10inch mono coil or something similar?.
Pictures below are of objects tested and finished detector.
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