Bristol/Westcott Delta3

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Bristol/Westcott Delta3
Bristol/Westcott Delta3 had direct drive pumps; did the US Titan 1 and Titan2 have gearboxes to match optimum pump speeds? Was there any large 1950,s US rocket engines with direct drive pumps?
 
the LR-87 feature a gear box for Turbopump speed similar to RL-10 engine

see point 23 of picture
titan-i-stage-1-engine-subassembly.jpg
 
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