[frers-list]Propeller Sizing
Robert Connell
frers-list@lists.frers33.com
Tue, 7 Apr 2020 07:08:49 -0400
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You should see a big improvement with that change.
Sent from my iPhone
> On Apr 6, 2020, at 10:03 PM, Brian Higgins <brian@sailingit.com> wrote:
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> =EF=BB=BF
> Thanks, just got off the phone with Martec, they will be finishing up repi=
tching the prop tomorrow or Wednesday, I took their advice a 12" pitch on th=
e 16" blade, which seems in line with what you have given the larger diamete=
r combined with the bigger blade tips but 1" lower pitch.=20
>=20
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> Sent from my Samsung Galaxy smartphone.
>=20
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> -------- Original message --------
> From: Robert Connell <conn2523@yahoo.com>
> Date: 4/6/20 7:08 PM (GMT-05:00)
> To: frers-list@lists.frers33.com
> Subject: Re: [frers-list]Propeller Sizing
>=20
> I finally got down to the boat today and the prop is a Gori 16.5x 11
>=20
> Sent from my iPhone
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>>> On Mar 26, 2020, at 7:48 PM, Hoyt, Mike <Mike.Hoyt@impgroup.com> wrote:
>>>=20
>> =EF=BB=BF
>> This is what we put on Persistence
>> =20
>> 1 pcs 16x12 R bladeset =
=20
>> 1 pcs 1" SAE, 2-blade hub =
=20
>> =20
>> Yanmar 3GM30F Kanzaki KM3P, 2.61:1
>> =20
>> From: frers-list-admin@lists.frers33.com <frers-list-admin@lists.frers33.=
com> On Behalf Of Robert Connell
>> Sent: March 26, 2020 7:18 PM
>> To: frers-list@lists.frers33.com
>> Subject: Re: [frers-list]Propeller Sizing
>> =20
>> Brian, Blackhawk has a Gori 16x11 and have no problem with getting 6kts p=
lus in flat water at about 3000 rpm. The Gori has square blades and not the e=
lliptical that the Martec has and is also a geared prop, the backdown is twi=
ce as good as a Martec. Heartbeat had a 16=E2=80=9D Max prop and you can adj=
ust the pitch to whatever you desire. You will need to shorten the tapered e=
nd about an inch to accommodate the Max prop nut. Hope this helps. Non
>>=20
>> Sent from my iPhone
>>=20
>>=20
>> On Mar 26, 2020, at 2:54 PM, Edgar Smith <Edgar@geomatrixproductions.com>=
wrote:
>>=20
>> =EF=BB=BF
>> Brian:
>> =20
>> I don=E2=80=99t have any sizing or pitch information on our 2 blade Marte=
c (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 fa=
ll much below 5.8 motoring into the wind until the waves get bigger. I belie=
ve I run at a bit below 3200 RPM most of the time. We carefully calibrated o=
ur speed instrument with the GPS so I=E2=80=99m confident that the speed num=
bers are accurate. =20
>> =20
>> --=20
>> Edgar Smith
>> Geomatrix Productions, Inc.
>> 270 Amity Road, Ste 222
>> Woodbridge, CT 06525
>> Main: (203) 389-0001
>> After Hours: 203-215-5405 (cell)
>> 203-387-8558 (Fax)
>> Need to send us a large file? https://geomatrixproductions.wetransfer.co=
m/
>> =20
>=20
> =20
>=20
> This email has been scanned for spam and viruses by Proofpoint Essentials.=
Click here to report this email as spam.
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">You should see a big improvement with that c=
hange.<br><br><div dir=3D"ltr">Sent from my iPhone</div><div dir=3D"ltr"><br=
><blockquote type=3D"cite">On Apr 6, 2020, at 10:03 PM, Brian Higgins <br=
ian@sailingit.com> wrote:<br><br></blockquote></div><blockquote type=3D"c=
ite"><div dir=3D"ltr">=EF=BB=BF
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8">
<meta content=3D"text/html; charset=3Dutf-8">
<div dir=3D"auto">Thanks, just got off the phone with Martec, they will be f=
inishing up repitching the prop tomorrow or Wednesday, I took their advice a=
12" pitch on the 16" blade, which seems in line with what you have given th=
e larger diameter combined with
the bigger blade tips but 1" lower pitch. </div>
<div dir=3D"auto"><br>
</div>
<div dir=3D"auto"><br>
</div>
<div dir=3D"auto"><br>
</div>
<div dir=3D"auto"><br>
</div>
<div id=3D"composer_signature" dir=3D"auto">
<div dir=3D"auto" style=3D"font-size:85%; color:#575757">Sent from my Samsun=
g Galaxy smartphone.</div>
</div>
<div dir=3D"auto"><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>-------- Original message --------</div>
<div>From: Robert Connell <conn2523@yahoo.com> </div>
<div>Date: 4/6/20 7:08 PM (GMT-05:00) </div>
<div>To: frers-list@lists.frers33.com </div>
<div>Subject: Re: [frers-list]Propeller Sizing </div>
<div><br>
</div>
<div>I finally got down to the boat today and the prop is a Gori 16.5x 11<br=
>
<br>
<div dir=3D"ltr">Sent from my iPhone</div>
<div dir=3D"ltr"><br>
<blockquote type=3D"cite">On Mar 26, 2020, at 7:48 PM, Hoyt, Mike <Mike.H=
oyt@impgroup.com> wrote:<br>
<br>
</blockquote>
</div>
<blockquote type=3D"cite">
<div dir=3D"ltr">=EF=BB=BF
<meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)">
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<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt">This is what we put o=
n Persistence</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt"> </span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt; color:#003C69">1 pcs=
16x12 R bladeset =
&nbs=
p; &n=
bsp; =
&nbs=
p; <br>
1 pcs 1" SAE, 2-blade hub &nbs=
p; &n=
bsp; =
&nbs=
p; &n=
bsp; </span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt"> </span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt">Yanmar 3GM30F </span=
><span style=3D"letter-spacing:-.15pt">Kanzaki KM3P, 2.61:1</span><span styl=
e=3D"font-size:11.0pt"></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt"> </span></p>
<div>
<div style=3D"border:none; border-top:solid #E1E1E1 1.0pt; padding:3.0pt 0cm=
0cm 0cm">
<p class=3D"MsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:11.0pt">From:=
</span></b><span lang=3D"EN-US" style=3D"font-size:11.0pt"> frers-list-admin=
@lists.frers33.com <frers-list-admin@lists.frers33.com>
<b>On Behalf Of </b>Robert Connell<br>
<b>Sent:</b> March 26, 2020 7:18 PM<br>
<b>To:</b> frers-list@lists.frers33.com<br>
<b>Subject:</b> Re: [frers-list]Propeller Sizing</span></p>
</div>
</div>
<p class=3D"MsoNormal"> </p>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">Brian, Blackhawk has a=
Gori 16x11 and have no problem with getting 6kts plus in flat water at abou=
t 3000 rpm. The Gori has square blades and not the elliptical that the Marte=
c has and is also a geared prop,
the backdown is twice as good as a Martec. Heartbeat had a 16=E2=80=9D Max p=
rop and you can adjust the pitch to whatever you desire. You will need to sh=
orten the tapered end about an inch to accommodate the Max prop nut. Hope th=
is helps. Non<span style=3D"font-size:11.0pt"></span></p>
<div>
<p class=3D"MsoNormal">Sent from my iPhone</p>
</div>
<div>
<p class=3D"MsoNormal"><br>
<br>
</p>
<blockquote style=3D"margin-top:5.0pt; margin-bottom:5.0pt">
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">On Mar 26, 2020, at 2:=
54 PM, Edgar Smith <<a href=3D"mailto:Edgar@geomatrixproductions.com">Edg=
ar@geomatrixproductions.com</a>> wrote:</p>
</blockquote>
</div>
<blockquote style=3D"margin-top:5.0pt; margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal">=EF=BB=BF <span style=3D"font-size:11.0pt"></span></p=
>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt">Brian:</span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt"> </span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt">I don=E2=80=99t have=
any sizing or pitch information on our 2 blade Martec (which is likely one o=
f the ones you checked out in the boatyard), but we cruise at 6.2 up to 6.5 i=
n 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 be=
lieve 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 n=
umbers are accurate. </span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt"> </span></p>
<p class=3D"MsoNormal">-- </p>
<div>
<p class=3D"MsoNormal">Edgar Smith</p>
<p class=3D"MsoNormal">Geomatrix Productions, Inc.</p>
<p class=3D"MsoNormal">270 Amity Road, Ste 222</p>
<p class=3D"MsoNormal">Woodbridge, CT 06525</p>
<p class=3D"MsoNormal">Main: (203) 389-0001</p>
<p class=3D"MsoNormal">After Hours: 203-215-5405 (cell)</p>
<p class=3D"MsoNormal">203-387-8558 (Fax)</p>
<p class=3D"MsoNormal">Need to send us a large file? <a href=3D"https:=
//geomatrixproductions.wetransfer.com/">
https://geomatrixproductions.wetransfer.com/</a> </p>
</div>
<p class=3D"MsoNormal"> </p>
</div>
</blockquote>
</div>
</div>
</blockquote>
<br>
<p> </p>
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