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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New Oehler 35P, New skyscreen rail, First Test Data
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<blockquote data-quote="Pdvdh" data-source="post: 1173950" data-attributes="member: 4191"><p>Today I chronographed a few more rounds. The male plugs on the Pact PC2 skyscreen cables are the same size as the plugs on the Oehler skyscreens. Shots 1-6 were recorded with the normal skyscreen arrangement. Shots 7-9 were recorded after I swapped the Oehler 33 Skyscreen IIIs with the PACT PC2 skyscreens. Both chronographs recorded valid velocities with the skyscreens swapped. </p><p></p><p>With the Oehler skyscreens on the Pact, the velocities from the Pact increased slightly and almost exactly matched the velocities from the Oehler 35P.</p><p></p><p>With the Pact skyscreens on the Oehler 33, the velocities from the Oehler 33 dropped a little from the prior velocities, compared to the Oehler 35P velocities.</p><p></p><p>I'm going to shorten the distance between the skyscreens on the Oehler 33, and then all three units should record the same velocities for each bullet fired. The Oehler 33 has always recorded around 5fps slower than the Oehler 35P and Pact PC2. I think the Pact PC2 would then operate in lower light conditions, comparable to the Oehler chronographs.</p><p></p><p><img src="http://i712.photobucket.com/albums/ww125/pdhorwath/Chronograph%20Comparison%202-20-16%20Swapped%20Skyscreens_zpsz9kpswfr.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>So a guy could purchase Oehler's current Skyscreen IIIs and use them on the Pact PC2, if desired. Which doesn't surprise me because Ken Oehler told me the original PACT skyscreens were pretty much a clone of his own design.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1173950, member: 4191"] Today I chronographed a few more rounds. The male plugs on the Pact PC2 skyscreen cables are the same size as the plugs on the Oehler skyscreens. Shots 1-6 were recorded with the normal skyscreen arrangement. Shots 7-9 were recorded after I swapped the Oehler 33 Skyscreen IIIs with the PACT PC2 skyscreens. Both chronographs recorded valid velocities with the skyscreens swapped. With the Oehler skyscreens on the Pact, the velocities from the Pact increased slightly and almost exactly matched the velocities from the Oehler 35P. With the Pact skyscreens on the Oehler 33, the velocities from the Oehler 33 dropped a little from the prior velocities, compared to the Oehler 35P velocities. I'm going to shorten the distance between the skyscreens on the Oehler 33, and then all three units should record the same velocities for each bullet fired. The Oehler 33 has always recorded around 5fps slower than the Oehler 35P and Pact PC2. I think the Pact PC2 would then operate in lower light conditions, comparable to the Oehler chronographs. [IMG]http://i712.photobucket.com/albums/ww125/pdhorwath/Chronograph%20Comparison%202-20-16%20Swapped%20Skyscreens_zpsz9kpswfr.jpg[/IMG] So a guy could purchase Oehler's current Skyscreen IIIs and use them on the Pact PC2, if desired. Which doesn't surprise me because Ken Oehler told me the original PACT skyscreens were pretty much a clone of his own design. [/QUOTE]
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New Oehler 35P, New skyscreen rail, First Test Data
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