Perfect! You subscribed to newsletter.
M. T. de la Torre
Modular nautical sextant
It is a tool that measures the angular separation between two points based on the direct observation of one object and the reflected observation of another.
The modular marine sextant is made of ABS plastic molded at a temperature of 245 degrees Celsius, screws and nuts are inserted in different parts of the sextant, with very high precision by 3D printing. The screws are made of stainless steel and prevent oxidation of the marine environment and guarantee the duration of the sextant over time, maintaining a very good wear resistance and a very good angular measurement accuracy.
The incorporation of two telescopes facilitates the observation of stellar objects, on the one hand, a lower magnification for the observation of the sun and the moon and another of greater magnification for planetary and stellar observation.
An important improvement is the reduction of the weight of the sextant 430 g with respect to the metal sextants this weight reduction is achieved through the use of ABS plastic, strengthened with stainless steel inserts that manage to avoid the wear of the parts.
The accuracy of the micrometer is very high is based on a screw of 10 mm of step 1.5 mm that only moves a turn of one turn or what is the same 1 degree or 60 minutes. The second scale allows divisions of 4 into 4 units using the nonio of the micrometer.
The larger mirror is moved by the arm along the limbus and is fixed to the limb with a clamp in a very precise union by means of teeth that fit into holes made in the back of the limbus.
The sextant incorporates 7 solar filters that allow solar observation in a safe way, for the observation of the sun at dawn the sextant incorporates a sunscreen with three filters and an insert that decreases the observation diameter of the telescope. The reflected solar observation is protected by 4 sunscreens.