Dale, W4OP wrote:
"A folded dipole is the same length as a classic wire dipole. The folded
term relates to two parallel conductors not the overall length."

true. A 1/2-wave folded dipole has the same radiation pattern as a
straight dipole. Its feedpoint resistance is higher, depending on the
number of conductors in the dipole and their relative sizes. Another
difference is more significant. The folded dipole is also resonant when
it has two wires and it is only 1/4-wave long. It is resonant because
its circumference is then 1/2 wavelength.

The feedpoint resistance of the resonant 1/4-wave long center-fed folded
dipole made from the same diameter wire all the way around is 6000 ohms.
Special matching may be needed, However, gain is only 1/2-dB less than a
1/2-wave dipole and its radiation pattern is almost the same. Its
bandwidth is only 5% of its center frequency while the bandwidth of the
1/2-wave folded dipole is 45% of its center frequency. Bandwidth of the
thin single-wire center-fed dipole is 34%.

Arnold B. Bailey is the source of this information in "TV and Other
Receiving Antennas".

Best regards, Richard Harrison, KB5WZI