Difference between revisions of "P28 pre-pulsar shuttle"

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{{Oscillator|name=Pre-pulsar shuttle 28|pname=prepulsarshuttle28|c=54|p=28|bx=22|by=16|h=33.1|animated=yes|rle=true|life105=true|life106=true|plaintext=true}}
{{Oscillator
'''Pre-pulsar shuttle 28''' is a [[period]] [[:Category:oscillators_with_period_28|28]] [[pre-pulsar]] [[shuttle]] [[oscillator]]. It consists of a pre-pulsar being [[hassle]]d by two period-14 shuttle mechanisms which is the only known way to create period 28 oscillators. In terms of its [[:Category:patterns_with_54_cells|54]] [[cell]]s it is the smallest oscillator of that period.
|name             = Pre-pulsar shuttle 28
|pname           = prepulsarshuttle28
|f1              = Shuttle
|c               = 54
|bx               = 22
|by               = 16
|p                = 28
|m                = 14
|h               = 33.1
|v                = 0.82
|sv              = 0.67
|rulemin          = B3/S23
|rulemax          = B3/S2378
|rulespecial      = [[Conway's Game of Life|Conway Life]]
|isorulemin      = B3-ky/S23-kq
|isorulemax      = B34kq5-ce6-in7e/S234cktyz5aknr6-c78
|synthesis        = 35
|plaintext        = true
|rle             = true
|animated        = true
|apgcode          = xp28_g8gcscy333xoge2z1ii1x676x676z34atsy4ggx62sgzy911
|pentadecathlonid = 54P28.1
|viewerconfig    = #C [[ GPS 4 ZOOM 12 LOOP 28 ]]
}}
'''Pre-pulsar shuttle 28''' is a {{period|28}} [[pre-pulsar]] [[shuttle]] [[oscillator]]. It consists of a pre-pulsar being [[hassle]]d by two 14-generation shuttle mechanisms.
 
A smaller 14-generation pre-pulsar shuttle mechanism was found by [[thunk]] on November 17, {{year|2016}}, allowing the construction of a {{cells|53}}-cell variant of the shuttle. This variant was tied with [[mold on 41P7.2]] and [[T-nosed p4 on 28P7.4]] as the smallest known non-trivial period 28 oscillator until the discovery of [[mold on 34P14 shuttle]] in {{year|2018}}.
 
==Gallery==
{|
|-
| [[File:Prepulsarshuttle28variant.png|frame|left|A pre-pulsar shuttle 28 variant with a minimum population of 53.<br />[[:File:Prepulsarshuttle28variant.gif|View animated image]].<br />{{JavaRLE|prepulsarshuttle28variant|brief}}<br />{{LinkCatagolue|code=xp28_oow4a4y1ca23zwsx44ay2iczwex88kz66w8k8xg8keezy61221|style=brief}}]]
|}


==See also==
==See also==
* [[Newshuttle]]
*[[Karel's p28]]
* [[Pre-pulsar shuttle 26]]
*[[Newshuttle]]
* [[Pre-pulsar shuttle 29]]
*[[Pre-pulsar shuttle oscillators]]
* [[Pre-pulsar shuttle 47]]
 
== External links ==
{{LinkCatagolue|xp28_g8gcscy333xoge2z1ii1x676x676z34atsy4ggx62sgzy911}}
{{LinkPentadecathlonObject|54P28.1}}
 
{{Symmetry|orthogonal2|osc=flip}}
 
[[Category:Pre-pulsar shuttle oscillators]]

Revision as of 22:10, 21 September 2019

Pre-pulsar shuttle 28
x = 16, y = 22, rule = B3/S23 bo12bo$b3o8b3o$4bo6bo$3b2o6b2o3$8b3o$2o6bobo3b2o$2o6b3o3b2o4$8b3o$8bob o$8b3o2$2bobo8bo$bo9b2obo$2bo2bo4bo$2bobobo2bobo2bo$3bo2bo2bo2bo$4b2o 4b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 4 ZOOM 12 LOOP 28 ]]
View animated image
View static image
Pattern type Oscillator
Oscillator type Shuttle
Number of cells 54
Bounding box 22 × 16
Period 28
Mod 14
Heat 33.1
Volatility 0.82
Strict volatility 0.67
Discovered by Unknown
Year of discovery Unknown

Pre-pulsar shuttle 28 is a period-28 pre-pulsar shuttle oscillator. It consists of a pre-pulsar being hassled by two 14-generation shuttle mechanisms.

A smaller 14-generation pre-pulsar shuttle mechanism was found by thunk on November 17, 2016, allowing the construction of a 53-cell variant of the shuttle. This variant was tied with mold on 41P7.2 and T-nosed p4 on 28P7.4 as the smallest known non-trivial period 28 oscillator until the discovery of mold on 34P14 shuttle in 2018.

Gallery

File:Prepulsarshuttle28variant.png
A pre-pulsar shuttle 28 variant with a minimum population of 53.
View animated image.
RLE: here
Catagolue: here

See also

External links

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