[TowerTalk] Questions

[Michael Clarson]

Julio: 400MAX and Bury Flex are pretty similar cables. Both polyethylene
outer insulation. 400MAX has a larger center conductor (10GA) vs Bury Flex
9.5 GA. 400MAX has a slightly less dense foam. One advantage 400MAX has it
has a 19 strand center conductor which I believe is more strands than Bury
Flex, so it might give better service in a rotor loop. Davis does not
specify number of strands but I recall fewer than 19. Both are the same
price. When you get some, it seems stiffer than PVC jacketed cables, and it
is BUT it has no trouble bending. Polyethylene is tougher and much more
slippery than PVC, and critters like to  eat PVC. DX Engineering says one
can use a standard N connector, but I have always needed connectors with a
larger center pin opening for Bury Flex as well as the LMR400 series. No
problems with PL-259s. I'd use either of these cables over any similar PVC
insulated cables, including for rotor loops. --73, Mike, WV2ZOW

On Tue, Aug 30, 2016 at 2:52 PM, Julio Peralta <jperalta4 at verizon.net>
wrote:

> Has anybody had any experience with DX Engineering's 400MAX coax cable?
> Would there be a better choice for use up a crank up tower and around a
> rotor to a couple of HF type antennas. Total run is about 270 feet.
>
>
>
> Second question has anyone found a reasonably priced replacement for the
> sheaves used on a US Tower?
>
>
>
> Julio, W4HY
>
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