I want to get lighted nocks and start experimenting. I never would use them with vertical but I want to go there with crossbow. What would you say was your average speed difference and point of impact difference?
Lots of variables involved. On my Ravin R29, shooting 445gr. Spynal Tapps at 435fps; loss of speed is 3-5fps and drops 1 1/4" - 1 1/2" at 50 yd. with factory lighted nocks. Don't know how the Lumenok's Ravin uses compare to other lighted nocks. I'm guessing the drop in POI is due more to the increase in weight, than to the loss of speed. Others might have different results. All my testing is done at a 50 yd. indoor range.I want to get lighted nock................. What would you say was your average speed difference and point of impact difference?
1 fps for 4-5 grains of increased weight. Though I'm thinking the launching speed of the arrow makes a bigger difference in POI than the weight gain in more powerful bows.I want to get lighted nocks and start experimenting. I never would use them with vertical but I want to go there with crossbow. What would you say was your average speed difference and point of impact difference?
nice range!Lots of variables involved. On my Ravin R29, shooting 445gr. Spynal Tapps at 435fps; loss of speed is 3-5fps and drops 1 1/4" - 1 1/2" at 50 yd. with factory lighted nocks. Don't know how the Lumenok's Ravin uses compare to other lighted nocks. I'm guessing the drop in POI is due more to the increase in weight, than to the loss of speed. Others might have different results. All my testing is done at a 50 yd. indoor range.
View attachment 161320 View attachment 161318
Yep! It's a fun place to hang out. The mural on the back wall was painted by a "World Champion Recurve Shooter".nice range!
I can only address the testing I did for my bow. I tried the factory lighted arrows. The shafts were 20 1/4". Total weight was 400gr. with a 100gr. point and the FOC was 10.6%. Total weight of 425gr. with a 125gr. point with a FOC of 12.2%. They flew nice, but were producing 3" groups at 50yd. I didn't shoot them at longer distances.I have toyed with the idea using illuminated nocks but FOC variation kinda scare me away. I shoot 100 to 125 grain broad heads and use 19 and 20" arrows.
Variables follow a pecking order dictated by physics. #1 is speed (or launch velocity); all else precedes or follows speed. Speed determines time of flight (TOF). TOF determines drop during flight. Gravity rules and is a constant acceleration toward the ground. Unless you put wings on that sucker, it's going to drop 32.2 fps per sec. #2 is energy. The more you've got, the more speed you'll get and the less time for the arrow to drop getting to the target. The mass (or weight) of the arrow only matters while it is still on the bow. The heavier the arrow, the more energy is needed to reach a given launch velocity. Mass does not matter once it has left the bow. So, you add weight, the arrow is slower and TOF is longer which gives gravity more time to make it drop. Speed, energy, and mass are variables but gravity is a constant.Lots of variables involved. On my Ravin R29, shooting 445gr. Spynal Tapps at 435fps; loss of speed is 3-5fps and drops 1 1/4" - 1 1/2" at 50 yd. with factory lighted nocks. Don't know how the Lumenok's Ravin uses compare to other lighted nocks. I'm guessing the drop in POI is due more to the increase in weight, than to the loss of speed. Others might have different results. All my testing is done at a 50 yd. indoor range.