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Image Size : 736 x 552
We call this 'T' handle gizmo an 'Elder Assist; because we are Elders. (ha-ha) But it is made from an old quill style handlebar stem, and a cut down pair of handlebars. Helps getting in and out of the Cat, not to mention a cool place for some humongus headlights.
Japstyle Motorcycle Modification
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Image Size : 1452 x 968
This is an illustration for my tutorial "Vignetting with The Gimp":
www.funadium.com/vignetting.php
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If you want a 1/8 power setting for the Vivitar 285HV, and you don't mind loosing the auto modes, you can do the following. (and if you wanted you can reverse the mod an put it back the way it was)
Unsolder the red and black wires indicated by the two asteriks above. Replace with a 43k ohm resistor. This will make all the auto (colored) positions a 1/8 power step.
After testing two units I think a 47k ohm resistor would be a better choice rather than the 43k ohm (and easier to find).
I measured a greater than two stop difference between the 1/4 and the 1/16 power steps. The 43k resistor gave me a one stop difference more than the 1/16 power. But the jump between 1/4 and 1/8 was 1 2/10 difference. Using a 47k resistor might split the 2/10 stop difference. This is not a big deal though. Either would work fine.
Here's the triggering assembly and the turret, obviously the turret has been previously modified being as there are Stefans in there, but as you'll see in a bit, the mod process there is simple and doesn't need pictures.
This modification will add DC restoration to electrostatic sets such as the Admiral 19A11 and Motorola VT71.
Photographs taken while Walking the “Walls of Dubrovnik” (Dubrovačke gradske zidine), a series of defensive stone walls surrounding the City of Dubrovnik, Croatia. With numerous additions and modifications throughout their history, they have been considered to be amongst the great fortification systems of the Middle Ages, as they were never breached by a hostile army during this time period. In 1979, the Old City of Dubrovnik, which includes a substantial portion of the old walls of Dubrovnik, joined the UNESCO list of World Heritage Sites. The oldest systems of fortifications around the town were likely wooden palisades. Today's intact city walls, constructed mainly during the 12th–17th centuries, mostly a double line, have long been a source of pride for Dubrovnik. The walls run an uninterrupted course of approximately 1,940 meters (6,360 feet) in length or more than one mile in circumference, encircling most of the old city, reaching a maximum height of about 25 meters (82 feet). The bulk of the existing walls and fortifications were constructed during the 14th and 15th centuries but were continually extended and strengthened up until the 17th century. This complex structure, amongst the largest and most complete in Europe, protected the freedom and safety of the "civilized" and "sophisticated" Republic of Ragusa that flourished in peace and prosperity for some five centuries. The walls were reinforced by three circular and 14 quadrangular towers, five bastions (bulwarks), two angular fortifications and the large St. John's Fortress. Land walls were additionally reinforced by one larger bastion and nine smaller semicircular ones, like the casemate Fort Bokar, the oldest preserved fort of that kind in Europe. The moat that ran around the outside section of the city walls, which were armed by more than 120 cannons, provided superb city defense capabilities. The city walls have been preserved to the present day, not only because of the knowledge of the skilled construction workers and the constant care provided by city dwellers that maintained and rebuilt the structures as needed, but also because of the brilliantly reputed diplomacy in Ragusa, which managed on many occasions to avoid dangerous measures taken by enemies against the Republic of Ragusa. The present shape of the walls was defined in the 14th century after the city gained its full independence from Venetian suzerainty, but the peak of its construction lasted from the beginning of the 15th century until the latter half of the 16th century. Being constructed very solidly, the walls were generally unaffected by a strong earthquake occurring in 1667. The largest stimulus for continued development and emergency repairs and works of the Ragusan fortresses came as a result of the danger of unexpected attack by Turkish military forces, especially after they conquered Constantinople in 1453. The city was also under latent danger of attack by the Venetians. For centuries the people of Dubrovnik were able to preserve their city-republic by skillful maneuvering between East and West. A strategic treaty with Turkey protected Ragusa's liberty and maintained the opportunity for a major trading role between the Ottoman Empire and Europe. The irregular parallelogram surrounding Dubrovnik consists of four strong fortresses at its most significant points. To the north is the strong circular Minčeta Tower, and to the east side of the city port is the Revelin Fortress. The western city entrance is protected by the strong and nicely-shaped Fort Bokar, and the strong, freestanding, St. Lawrence Fortress (also known as Lovrijenac), protects the western side of the city from possible land and sea assaults. The large and complex St. John Fortress is located on the southeast side of the city.