1 8 th ▁Baron ▁of ▁D uns any ▁Category : 1 9 1 2 ▁short ▁stories <0x0A> </s> ▁The ▁Ar no ▁XI ▁is ▁a ▁hydro plane ▁inspired ▁by ▁Ach ille ▁Cast old i ▁in ▁the ▁early ▁ 1 9 5 0 s ▁and ▁built ▁by ▁the ▁C anti ere ▁Tim os si ▁bo aty ard , ▁located ▁in ▁Az z ano ▁( a ▁fra zione ▁of ▁Me zz eg ra ) ▁on ▁the ▁Lake ▁Como . ▁Cast old i ▁wanted ▁to ▁establish ▁a ▁world ▁water ▁speed ▁record ▁so ▁he ▁persu aded ▁then ▁Ferr ari ▁racing ▁drivers ▁Alberto ▁As c ari ▁and ▁Luigi ▁Vill ores i ▁to ▁influence ▁En zo ▁Ferr ari ▁to ▁supply ▁him ▁with ▁a ▁ 4 . 5 - lit re , ▁V 1 2 ▁Ferr ari ▁engine ; ▁the ▁same ▁engine ▁that ▁gave ▁Ferr ari ▁his ▁first ▁Grand ▁Prix ▁victory ▁with ▁the ▁Ferr ari ▁ 3 7 5 ▁F 1 ▁at ▁Silver stone ▁Circ uit ▁in ▁ 1 9 5 1 . ▁The ▁engine ▁was ▁installed ▁in ▁a ▁Tim os si ▁three - point ▁racing ▁hydro plane ▁h ull . ▁ ▁Engine ▁modifications ▁Cast old i ▁managed ▁to ▁further ▁increase ▁horse power ▁by ▁att aching ▁two ▁super charg ers . ▁The ▁result ▁was ▁a ▁ 5 0 2   b hp ▁speed bo at , ▁which ▁he ▁used ▁to ▁hit ▁a ▁ 1 5 0 . 1 9   m ph ▁top ▁speed ▁in ▁October ▁ 1 9 5 3 ▁on ▁Lake ▁I se o . ▁This ▁world ▁speed ▁record