Practical Dynamo-Building for Amateurs: How to Wind for Any Output
Practical Dynamo-Building for Amateurs: How to Wind for Any Output
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In our eReader you can find the full English version of the book. Read Practical Dynamo-Building for Amateurs: How to Wind for Any Output Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Practical Dynamo-Building for Amateurs: How to Wind for Any Output
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To quickly assess the difficulty of the text, read a short excerpt:
Sprague (** Electricity: its Theory, Sources, and Applica- tion") is here slightly modified to suit the present circumstances, as follows : — Find the area, in square inches, of the ellipse formed by the wire when wound on to a depth of i.4in.
(II.) Transverse axis 3'25 + (i'4 X 2) = 6'3in.
Conjugate axis 2*0 + (1*4 X 2) = 4'8in.
Then 6*3 X 4'8 X 7854 = 237 square inches, from which must be deducted the area of the iron core 237 — 5'i = i8'6 square inches.
Then, multiplying by the length, yin.,... we* get the solid content of the wire coil in cubic inches, i8'6 X 7 = 130*2 cubic inches.
Now, to obtain this in pounds of copper wire, a multiplier must be taken which represents the weight of a cubic inch of copper in decimals of a pound, and at the same time allows for the cotton covering and the rotundity of the wire; these multipliers may be thus expressed — Digitized by VjOOQ IC 46 PRACTICAL DYNAMO BUILDING FOR AMATEURS.
(III.) From 6 B.W.G. to lo B.W.G. = 0-2 t „ 10 „ „ 14 „ = 0'20 M 14 ».
What to read after Practical Dynamo-Building for Amateurs: How to Wind for Any Output?
You can find similar books in the "Read Also" column, or choose other free books by Frederick Walker to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Sprague (** Electricity: its Theory, Sources, and Applica- tion") is here slightly modified to suit the present circumstances, as follows : — Find the area, in square inches, of the ellipse formed by the wire when wound on to a depth of i.4in.
(II.) Transverse axis 3'25 + (i'4 X 2) = 6'3in.
Conjugate axis 2*0 + (1*4 X 2) = 4'8in.
Then 6*3 X 4'8 X 7854 = 237 square inches, from which must be deducted the area of the iron core 237 — 5'i = i8'6 square inches.
Then, multiplying by the length, yin.,... we* get the solid content of the wire coil in cubic inches, i8'6 X 7 = 130*2 cubic inches.
Now, to obtain this in pounds of copper wire, a multiplier must be taken which represents the weight of a cubic inch of copper in decimals of a pound, and at the same time allows for the cotton covering and the rotundity of the wire; these multipliers may be thus expressed — Digitized by VjOOQ IC 46 PRACTICAL DYNAMO BUILDING FOR AMATEURS.
(III.) From 6 B.W.G. to lo B.W.G. = 0-2 t „ 10 „ „ 14 „ = 0'20 M 14 ».
What to read after Practical Dynamo-Building for Amateurs: How to Wind for Any Output?
You can find similar books in the "Read Also" column, or choose other free books by Frederick Walker to read onlineMoreLess
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