Swan

	Swan
	<a href="/wiki/File:Swan.png" class="image" title="Swan image"><img alt="Swan image" src="/w/images/8/87/Swan.png" decoding="async" width="209" height="113" /></a>
	<a href="/wiki/File:Swan.png" class="image" title="Swan image"><img alt="Swan image" src="/w/images/8/87/Swan.png" decoding="async" width="209" height="113" /></a>
	View animated image
	View static image
Pattern type	Spaceship
Number of cells	49
Bounding box	24 × 12
Direction	Diagonal
Period	4 (mod: 4)
Speed	c/4 \| Unknown
Heat	51.0
Kinetic symmetry	Unspecified
Discovered by	Tim Coe
Year of discovery	1996
Pattern files
Plaintext	swan.cells
RLE	swan.rle
Identifiers
apgcode	xq4_bh1cgzw1020msze28aehnfzxopp1zw62

Swan is a c/4 diagonal spaceship producing some useful sparks. It was found by Tim Coe in February 1996. On February 20, 1996 Noam Elkies noticed that it could be made into a small boatstretcher. It can also be combined non-trivially with a Canada goose. In November 2000 Jason Summers found a period 8 glide-reflective tagalong for two swans. This was the first c/4 diagonal spaceship with a period other than 4 to be found.

Image gallery

Two swans pulling a period 8 tagalong (in green)
RLE: here

A swan stretching a boat. If the boat is changed to a tub then this is called tiretrak.
Download RLE: click here