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Two gliders shifting a blinker by three diagonally. Maybe a slide- or tether- gun can be made to continuously push the blinker

When experimenting with other rules, I found this rule with a certain p168 oscillator that can hassle another p2 oscillator into a p4 and vice versa. This allows large period oscillators. Here are four, but the last one can be considered to be trivial.
x = 68, y = 50, rule = B3678/S245 ...

Two questions:

1. On the LifeWiki pages, I have found links to a spaceship called 37P4H1V0. It follows to an empty page, yet it is mentioned as the smallest c/4 orthogonal spaceship. Could someone post and/or create the page for this spaceship?

2. Are there any c/4 orthogonal spaceships that can ...

I made a gun, using an interactions from pd-46 guns. The interaction usually gives a new glider and a traffic light. Its period is fairly large, somewhere around 270, but I don't know how to find the exact period. Can someone figure it out or tell me how to find it? Here is the rle of it:

x = 50, y ...