Electronics > Beginners
Think I can make it? (electric 9-pole radial engine replica)
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metrologist:
I have a small batch of ~1.5mm square cylinder re magnets. If coils are air wound, about how may turns, and volts, current could I plan for?

Framing in aluminum or plastic, Y or D wiring...

I haven't thought of any other use for them yet.
jpanhalt:

--- Quote from: metrologist on April 19, 2018, 08:12:50 pm ---I have a small batch of ~1.5mm square cylinder re magnets. If coils are air wound, about how may turns, and volts, current could I plan for?

Framing in aluminum or plastic, Y or D wiring...

I haven't thought of any other use for them yet.

--- End quote ---

Low turns, high current  with LiPo batteries.   Look at some of the model aircraft motors with low number of turns.  Love to see it in a small old-timer.
jmelson:
Motors generally need to have an EVEN number of poles.  The magnets are arranged N - S - N - S etc., so it leaves a discontinuity of you have two N N in a row.

Jon
GerryBags:

--- Quote from: jmelson on April 19, 2018, 10:17:27 pm ---Motors generally need to have an EVEN number of poles.  The magnets are arranged N - S - N - S etc., so it leaves a discontinuity of you have two N N in a row.

Jon

--- End quote ---

Yes, but I think the OP is talking about a solenoid motor, where each cylinder head on a radial engine is replaced by a solenoid. The crank/hub can be a direct copy of a radial that way.

OP - Do you have enough magnets to do a Double Wasp, do you think? It's only 18 cyls.  ;D

There are a few folks on Youtube that have made various solenoid motors, I'm pretty sure I've seen at least one radial, but most seem to be boxers/horizontally opposed for simplicity.
jpanhalt:
If so, I want to hear it.   My dad was with a B-29 squadron in WWII.
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