Cannon (facility)

A cannon is a boat facility that can be built and is involved in boat combat. Cannons have a 7 tick attack speed, a 15-tile range, and can only fire cannonballs up to their own tier (e.g. an iron cannon can fire bronze and iron cannonballs, but not steel cannonballs).

A sloop can shoot two cannons at once from the same side, while the other smaller boats only allow one cannon.

Cannonball firing costs can be greatly reduced by building a ballistic attractor, which automatically recovers 60% of cannonballs fired (equivalent to roughly 2.5 cannonballs fired per cannonball).

Preferred cannonballs can be set by using them on a cannon to avoid automatically using the highest tier you are carrying. Crewmates have preferred cannonballs as well, configurable in the crewmates panel.

While an anchor is dropped, or the sails are unset, and the helm is manned, the boat can be turned on the spot to quickly face new targets.

A sloop has four facility hotspots where cannons can be built (two on each side) and can have a maximum of two cannons built at once, while the other boats can only have one cannon built on them.

On a sloop, the cannons can both be placed on the same side, in order to shoot with both at once with the help of crewmates.

The two facility hotspots towards the back of a sloop only allow cannons (or balistic attractors), while the other two are more generic and additionally allow movement or provisioning facilities to be built.

A visible Sailing boost can be used to build a higher tier cannon. Visible boosts for Sailing and Ranged levels can also be used to fire from cannons.

Both crewmates and players fire cannonballs at a 7 tick speed. Player-manned cannons are more effective than crewmate-manned ones.

When a player mounts a cannon, the damage of the cannonballs are affected by:

• the type of cannon used
• the type of cannonballs used
• Ranged-boosting prayers such as Rigour
• the player's visible Ranged level
• The player's ranged accuracy and Ranged strength bonuses. Bonuses from the weapon, shield, and ammunition slots are excluded from this calculation.
• set bonuses (like void robes)
• temporary visible boosts (like a perildance bitter)

A player operating a cannon gains both Sailing and Ranged experience.

The damage of crewmate-manned cannons directly scales with:

• the sailing level of players
• the privateering stat of crewmates (max hit multipler from 0.70x up to 0.85x)
• the type of cannon and cannonballs fired

Crewmates also have a greater restriction on what angle they can fire cannons at and can only shoot at enemies more directly in front of the cannon barrel.

When a crewmate operates a cannon, only Sailing experience is gained.

Cannon	Privateering	Level	Level	Level	Shipwright fee[a]	Materials	XP	Cost	Ranged Strength	Base Accuracy	Accuracy w/ Player[b]
Bronze cannon	1	28	1	21	3,400	Plank x4 Bronze nails x16 Bronze bar x8	157	1,096	8	30	60
Iron cannon	2	35	1	28	7,200	Oak plank x4 Iron nails x16 Iron bar x8	328	3,816	10	42	82
Steel cannon	2	47	5	39	22,000	Teak plank x4 Steel nails x16 Steel bar x8	526	8,736	12	60	120
Mithril cannon	3	57	20	50	68,000	Mahogany plank x4 Mithril nails x16 Mithril bar x8	816	17,316	15	78	148
Adamant cannon	3	69	30	61	N/A	Camphor plank x4 Adamantite nails x16 Adamantite bar x8	986	29,796	23	98	194
Rune cannon	4	80	40	76	N/A	Ironwood plank x4 Rune nails x16 Runite bar x8	1,359	126,516	26	163	273
Dragon cannon	4	92	60	84	N/A	Rosewood plank x4 Dragon nails x16 Dragon metal sheet x8 Dragon cannon barrel x1	1,857	2,140,518	32	194	344

Due to an update, the information in this article may be out-of-date. Reason: The crewmate formula doesn't account for the player's Sailing level anymore. The exact formula is currently unknown. You can help improve it by updating the information.

module=Cannon_max_hit_calculator
form=CannonForm
result=CannonResult
param = name|Player name||hs|ranged_lvl,5,1;sailing_lvl,24,1
param = crew_toggle|Fired by|Player|buttonselect|Player,Crewmate|Player=ranged_lvl,ranged_str,void,prayer;Crewmate=crew_select,sailing_lvl
param = sailing_lvl|Visible Sailing level|1|int|0-104
param = ranged_lvl|Visible Ranged level|1|int|0-112
param = ranged_str|Visible Ranged strength|0|int|0-65
param = crew_select|Crewmate|Jobless Jim|select|Jobless Jim,Jolly Jim,Sailor Jakob,Ex-Captain Siad,Adventurer Ada,Cabin Boy Jenkins,Spotter Virginia,Bosun Zarah,Oarswoman Olga,Jittery Jim
param = cannon_type|Cannon|Bronze|select|Bronze,Iron,Steel,Mithril,Adamant,Rune,Dragon|Bronze=cball_bronze;Iron=cball_iron;Steel=cball_steel;Mithril=cball_mithril;Adamant=cball_adamant;Rune=cball_rune;Dragon=cball_dragon
param = cball_bronze|Cannonball|Bronze|select|Bronze
param = cball_iron|Cannonball|Bronze|select|Bronze,Iron
param = cball_steel|Cannonball|Bronze|select|Bronze,Iron,Steel
param = cball_mithril|Cannonball|Bronze|select|Bronze,Iron,Steel,Mithril
param = cball_adamant|Cannonball|Bronze|select|Bronze,Iron,Steel,Mithril,Granite,Adamant
param = cball_rune|Cannonball|Bronze|select|Bronze,Iron,Steel,Mithril,Granite,Adamant,Rune
param = cball_dragon|Cannonball|Bronze|select|Bronze,Iron,Steel,Mithril,Granite,Adamant,Rune,Dragon
param = prayer|Prayer|None|select|None,Sharp Eye,Hawk Eye,Eagle Eye,Dead Eye,Rigour
param = void|Using Void Knight Ranged set?|None|select|None,Regular Void,Elite Void 
param = perildance|Using perildance bitter?|false|check|true,false
autosubmit = disabled

• Cannons benefit from the player’s ranged accuracy and ranged strength bonuses. Bonuses from the weapon, shield, and ammunition slots are excluded from this calculation.
  • Take precaution with items where the applied strength bonus is conditional, eg. a charged Dizana's Quiver.

• Previously, before both cannons could be placed on the same side, the player was able to attack with both cannons simultaneously if the target was positioned directly in front of or behind the boat with a cannon on either side, or by quickly alternating the orientation of the boat back and forth so each cannon angled towards the target, taking turns to shoot.