Hi guys...
About the OB4-40... heavy antenna!
If you install an OB4-40, you need at least PST 61 or 71
The 2051 is too small for this beast!!!
This was the recommendation from OB owner, Tom.
73 and good luck!
Marcelo CX2DK
2013/11/20 Vojtech Ritzko <om8aw@yahoo.com>
> HI folks
>
> I need your expertise
>
> I am planning the rotor setup for OB4-40 (coil loaded 40m 4el yagi)
>
> OB4-40 has wind load at 130 km/h = 1.200 N / 1,49 m² / 16,2 feet²/
>
> There will be mast bearings help to minimize vertical load and bending
> moment from an antenna to rotator.
>
> I like to use The BIG BOY model PST2051 .
>
> PST2051 is rated @ 23.4 sq. ft. - wind load area (sq. ft.). (2.5m2)
> What is your experience with this rotor ???
>
> VY 73 DX
> Bela OM8AW
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|