[frers-list]Propeller Sizing
David Nauber
frers-list@lists.frers33.com
Thu, 26 Mar 2020 20:21:04 +0000 (UTC)
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I am also unsure of our prop's specs but in flat water at 2900 RPM we do 6=
.2 to 6.6kts.
If Pachyderm is nearby, the boat sometimes gains an extra tenth. I have no =
explanation for that.
Dave NauberWolverine
On Thursday, March 26, 2020, 02:54:46 PM GMT-4, Edgar Smith <edgar@geom=
atrixproductions.com> wrote: =20
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Brian:
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=C2=A0
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I don=E2=80=99t have any sizing or pitch information on our 2 blade Martec =
(which is likely one of the ones you checked out in the boatyard), but we c=
ruise at 6.2 up to 6.5 in really calm water and no wind. We don=E2=80=99t f=
all much below 5.8 motoring into the wind until the waves get bigger. I bel=
ieve I run at a bit below 3200 RPM most of the time. We carefully calibrate=
d our speed instrument with the GPS so I=E2=80=99m confident that the speed=
numbers are accurate. =C2=A0
=20
=C2=A0
=20
--=C2=A0
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Edgar Smith
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Geomatrix Productions, Inc.
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270 Amity Road, Ste 222
=20
Woodbridge, CT 06525
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Main: (203) 389-0001
=20
After Hours: 203-215-5405 (cell)
=20
203-387-8558 (Fax)
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Need to send us a large file?=C2=A0 https://geomatrixproductions.wetransfer=
.com/
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=C2=A0
=20
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<html><head></head><body><div class=3D"ydp9aa7b6c6yahoo-style-wrap" style=
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<div dir=3D"ltr" data-setdir=3D"false">I am also unsure of our prop=
's specs but in flat water at 2900 RPM we do 6.2 to 6.6kts.</div><div dir=
=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"fa=
lse">If Pachyderm is nearby, the boat sometimes gains an extra tenth. I hav=
e no explanation for that.</div><div dir=3D"ltr" data-setdir=3D"false"><br>=
</div><div dir=3D"ltr" data-setdir=3D"false">Dave Nauber</div><div dir=3D"l=
tr" data-setdir=3D"false">Wolverine</div><div><br></div>
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</div><div id=3D"ydp80130ca9yahoo_quoted_5930344386" class=3D"ydp80=
130ca9yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
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<div>
On Thursday, March 26, 2020, 02:54:46 PM GMT-4, Edgar S=
mith <edgar@geomatrixproductions.com> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id=3D"ydp80130ca9yiv7854211163">
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<div class=3D"ydp80130ca9yiv7854211163WordSection1">
<p class=3D"ydp80130ca9yiv7854211163MsoNormal"><span style=3D"font-size:11.=
0pt;">Brian:</span></p>=20
<p class=3D"ydp80130ca9yiv7854211163MsoNormal"><span style=3D"font-size:11.=
0pt;"> </span></p>=20
<p class=3D"ydp80130ca9yiv7854211163MsoNormal"><span style=3D"font-size:11.=
0pt;">I don=E2=80=99t have any sizing or pitch information on our 2 blade M=
artec (which is likely one of the ones you checked out in the boatyard), bu=
t we cruise at 6.2 up to 6.5 in really calm water and no wind. We don=E2=80=
=99t
fall much below 5.8 motoring into the wind until the waves get bigger. I b=
elieve I run at a bit below 3200 RPM most of the time. We carefully calibra=
ted our speed instrument with the GPS so I=E2=80=99m confident that the spe=
ed numbers are accurate. </span></p>=20
<p class=3D"ydp80130ca9yiv7854211163MsoNormal"><span style=3D"font-size:11.=
0pt;"> </span></p>=20
<p class=3D"ydp80130ca9yiv7854211163MsoNormal">-- </p>=20
<div>
<p class=3D"ydp80130ca9yiv7854211163MsoNormal">Edgar Smith</p>=20
<p class=3D"ydp80130ca9yiv7854211163MsoNormal">Geomatrix Productions, Inc.<=
/p>=20
<p class=3D"ydp80130ca9yiv7854211163MsoNormal">270 Amity Road, Ste 222</p>=
=20
<p class=3D"ydp80130ca9yiv7854211163MsoNormal">Woodbridge, CT 06525</p>=20
<p class=3D"ydp80130ca9yiv7854211163MsoNormal">Main: (203) 389-0001</p>=20
<p class=3D"ydp80130ca9yiv7854211163MsoNormal">After Hours: 203-215-5405 (c=
ell)</p>=20
<p class=3D"ydp80130ca9yiv7854211163MsoNormal">203-387-8558 (Fax)</p>=20
<p class=3D"ydp80130ca9yiv7854211163MsoNormal">Need to send us a large file=
? <a href=3D"https://geomatrixproductions.wetransfer.com/" rel=3D"nof=
ollow" target=3D"_blank">
<span style=3D"color:#0563C1;">https://geomatrixproductions.wetransfer.com/=
</span></a>
</p>=20
</div>
<p class=3D"ydp80130ca9yiv7854211163MsoNormal"> </p>=20
</div>
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