- Details
- Written by: Jari Ojala
- Category: Uncategorised
- Hits: 2338
80 m 2 el yagi and 40 m 2 over 2
Capasitance hat
Element support ropes
Improved construction
Tuning coils and match coil
So nice weather make antenna works. (small snowstorm)
Service at 40 m level.
In the foregroud is a memory from Ice Age!
Esa OH8KTN climp up to tower
- Details
- Written by: Jari Ojala
- Category: Uncategorised
- Hits: 16988
Various mast base bearings.
Tapered roller bearing
Old OH8QD thrust bearing repair parts
Mast foundation and bearing. Attached to concrete
Assembled
Ready mast sections
- Details
- Written by: Jari Ojala
- Category: Uncategorised
- Hits: 17236
Rotator with junk yard worm gear
Worm gear and motor
Wrom gear and axle to tower base
More engineering and development
Adjustment of two gears to each other
Axle inside of the tower
Three phase motor control box
- Details
- Written by: Jari Ojala
- Category: Uncategorised
- Hits: 16500
A traditional guy bearing, two plates and balls between the plates
Improved bearing of the first stage of development
Improved bearing of the second stage of development
Attaches to the mast with u-bolts
Standard ball bearings are used
- Details
- Written by: Jari Ojala
- Category: Uncategorised
- Hits: 9443
A radio amateur uses various rotating towers.
Heights 12-48 m.
30m high mast elements
TOP-rotator plates