he e led ▁carriage . ▁The ▁whe els ▁are ▁ ▁in ▁diameter . ▁The ▁carriage ▁is ▁equ ipped ▁with ▁two ▁remov able ▁additional ▁whe els ▁for ▁transport . ▁The ▁remov able ▁whe els ▁are ▁ ▁in ▁diameter . ▁ ▁About ▁ ▁of ▁gun pow der ▁fired ▁a ▁shot ▁ball ▁we igh ing ▁. ▁ ▁The ▁uses ▁and ▁range ▁of ▁the ▁can non ▁and ▁can non ball s ▁vary ▁over ▁different ▁sources . ▁ ▁The ▁Ja iv ana ▁C annon ▁was ▁only ▁fired ▁once ▁by ▁the ▁J ai ▁Singh ▁II , ▁as ▁a ▁test - fire ▁in ▁ 1 7 2 0 ▁and ▁the ▁then ▁M ug hal ▁Emperor ▁Muhammad ▁Shah ▁is ▁known ▁to ▁have ▁attended ▁the ▁event ▁before ▁ou st ing ▁the ▁Say y id ▁Brothers ▁from ▁power . ▁The ▁most ▁ex agger ated ▁myth ▁claims ▁that ▁the ▁weapon ▁had ▁a ▁range ▁of ▁, ▁other ▁sources ▁say ▁it ▁is ▁ 3 5 , ▁ 2 2 ▁and ▁, ▁although ▁the ▁exact ▁range ▁could ▁perhaps ▁never ▁be ▁determined ▁without ▁ade qu ate ▁scientific ▁computation . ▁Most ▁sources , ▁including ▁local ▁tour ist ▁gu ides ▁agree ▁that ▁it ▁was ▁fired ▁in ▁the ▁direction ▁of ▁Ch ak su . ▁The ▁impact ▁is ▁said ▁by ▁many ▁loc als ▁and ▁tour ist ▁gu ides ▁to ▁be ▁powerful ▁enough ▁to ▁have ▁caused ▁a ▁de pression ▁where ▁a ▁p ond ▁can ▁be ▁seen ▁today . ▁Leg end ▁has ▁it ▁that ▁after ▁it ▁fired , ▁pre gn ant ▁women ▁living ▁nearby ▁suffered ▁mis car ri ages . ▁ ▁From ▁work ▁done