Joe,
there is a ton of discussion about props for direct drive A-4s on the Moyer
forum. The prevailing opinion seeming to be that it is important to select a
prop that will allow the engine to develop enough rpms to get into the heart
of it's powerband. A-4s output very little power below 2000 rpms so you need
a prop that will allow you to get above that. The most popular prop these
days seems to be the indigo 3-blade fixed. I will say that the Gori 8 inch
folding sounds like a great option, but I would go to a 7 pitch. The A-4 is
a very robust design and will happily run at higher rpms with no problems
for years! I personally run mine at 2800 rpms turning a 16-10 two blade
(fixed) with a 2:1 reduction.
James
Delaney
C&C 38 Mk11
Oriental, NC
-----Original Message-----
From: Joe at Zialater via CnC-List
Sent: Monday, December 21, 2015 11:58 AM
To: cnc-list@cnc-list.com
Cc: Joe at Zialater
Subject: Stus-List Folding prop for 30-1 with A4
My 1975 30-1, Zia is up for a nice Christmas gift this year - a folding
prop.
Any recommendations for a good folder that will still give me decent
performance in forward and reverse? I don't know the current two blade prop
specs but she is being pushed by a smooth running Atomic 4.
Thanks for any input - and happy holidays!
Joe Boyle
Zia
Annapolis, MD
j...@zialater.com
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