23 Hydro Quad 4 vs "Rec. Labbed" 24 Quad 4

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07-30-2009 | 07:53 AM

Pat Ousborne

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23 Hydro Quad 4 vs "Rec. Labbed" 24 Quad 4

Running 502 Mag MPIs 5050 RPMs @ WO with 23 Hydro.Quad 4s. Now I have purchased 24 pitch Q4s which were "rec labbed" @ Hydromotive. Anyone have a good guess where the RPMs will end up with these 24s ?

08-10-2009 | 03:11 AM

olmo40

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Ill have a guess 1 inch pitch equalls @ 250 rpm, labbing maybe 200rpm ish , Im gunna guess between 5000-5100 rpm

Last edited by olmo40; 08-10-2009 at 04:39 PM. Reason: Read with out glasses

08-10-2009 | 05:41 AM

Philm

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From: Delaware

probably right at 5000rpm WOT

Lose 250rpm for the extra inch, gain 200rpm for the labbing.

08-12-2009 | 05:39 PM

Pat Ousborne

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From: Reisterstown, MD

Haven't got the new props on yet but can post later when I do.

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