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148 points mstngl | 3 comments | 03 Nov 25 20:37 UTC | HN request time: 0s | source

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giobox ◴[03 Nov 25 21:23 UTC] No.45804622[source]▶

>>45804122 (OP) #

That "deltic" engine just for the water pumping is incredible, I'd never seen that cylinder layout before.

> https://en.wikipedia.org/wiki/Napier_Deltic

replies(6): >>45804791 #>>45804855 #>>45804898 #>>45804949 #>>45805088 #>>45809664 #

1. mrlonglong ◴[03 Nov 25 21:53 UTC] No.45804898[source]▶

>>45804622 #

They're unique. Originally designed to power fast torpedo boats during WW2, three of these powerful and compact engines would churn out plenty of power for the boat up to 50 kt.

https://everythingaboutboats.org/napier-deltic/

replies(1): >>45804912 #

2. mrlonglong ◴[03 Nov 25 21:55 UTC] No.45804912[source]▶

>>45804898 (TP) #

They're still in use by our UK navy. Nine minesweepers still on active duty.

replies(1): >>45804928 #

3. mrlonglong ◴[03 Nov 25 21:57 UTC] No.45804928[source]▶

>>45804912 #

I just realised they re-engined them with cat engines in 2008. Pity.

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The Mack Super Pumper was a locomotive engined fire fighter (2018)