mfg Posted January 13, 2019 Report Share Posted January 13, 2019 Two advantages of the Studebaker Avanti R3-4 engine's optional 14" fan are.....?..... and.....?...... Link to comment Share on other sites More sharing options...
brad Posted January 13, 2019 Report Share Posted January 13, 2019 Less rotational mass (quicker revving), and less HP drag to run. Link to comment Share on other sites More sharing options...
mfg Posted January 13, 2019 Author Report Share Posted January 13, 2019 25 minutes ago, brad said: Less rotational mass (quicker revving), and less HP drag to run. Brad's answers are correct, however, they are basically the SAME answer said two different ways! Anyone out there know the TRUE second reason? Link to comment Share on other sites More sharing options...
Gunslinger Posted January 13, 2019 Report Share Posted January 13, 2019 I don't know if this is a correct answer or simply a necessary compromise on Studebaker's part, but with the R3/R4 engines using thinner motor mounts and the engine sitter lower, the standard fan could have easily struck the fan shroud. Using a smaller diameter fan could negate this without the need to design a different shroud for cars so equipped. Link to comment Share on other sites More sharing options...
mfg Posted January 13, 2019 Author Report Share Posted January 13, 2019 1 hour ago, Gunslinger said: I don't know if this is a correct answer or simply a necessary compromise on Studebaker's part, but with the R3/R4 engines using thinner motor mounts and the engine sitter lower, the standard fan could have easily struck the fan shroud. Using a smaller diameter fan could negate this without the need to design a different shroud for cars so equipped. As far as I know, the Avanti R3's standard fan was the 17" one used on the R1&R2 Avantis....Those fans cleared the shroud, so opting for a 14' diameter fan would not be an advantage for that reason. Link to comment Share on other sites More sharing options...
mfg Posted January 13, 2019 Author Report Share Posted January 13, 2019 HINT!.....What's the 'inevitable' weak point in a Studebaker Avanti's supercharger drive system? Link to comment Share on other sites More sharing options...
r1lark Posted January 14, 2019 Report Share Posted January 14, 2019 "Kinder and gentler" to the water pump? Link to comment Share on other sites More sharing options...
mfg Posted January 14, 2019 Author Report Share Posted January 14, 2019 19 hours ago, r1lark said: "Kinder and gentler" to the water pump? BINGO!....r1 does it again! Link to comment Share on other sites More sharing options...
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