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Transom height measurement

 
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Moxieabs



Joined: 02 Nov 2003
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City/Region: Cape Neddick
State or Province: ME
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C-Dory Model: 22 Cruiser
Vessel Name: Widget
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PostPosted: Fri Jun 09, 2023 10:04 am    Post subject: Transom height measurement Reply with quote

Looking for a transom height on the West Marine RU-3 inflatable. Mine is not currently available and WM does not list it nor have a sample on display. Thanks!
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srbaum



Joined: 30 Aug 2010
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City/Region: Portsmouth
State or Province: VA
C-Dory Year: 2007
C-Dory Model: 26 Venture
Vessel Name: Osprey
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PostPosted: Fri Jun 09, 2023 7:22 pm    Post subject: Reply with quote

All of these little inflatables have the short transom. A short shaft outboard it the correct choice.
As a side note, I have a few of these available that are new 2 strokes, if interested.

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Steve Baum
Homeport of Portsmouth, VA
OSPREY (Ex Mister Sea) 2000 22 C-Dory 2010 - Sold 3/19
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tsturm



Joined: 01 Nov 2003
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City/Region: Soldotna
State or Province: AK
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Vessel Name: JMR TOO
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PostPosted: Fri Jun 09, 2023 8:33 pm    Post subject: Reply with quote

srbaum wrote:
All of these little inflatables have the short transom. A short shaft outboard it the correct choice.
As a side note, I have a few of these available that are new 2 strokes, if interested.


As in 15" is short shaft.👍
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srbaum



Joined: 30 Aug 2010
Posts: 875
City/Region: Portsmouth
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C-Dory Year: 2007
C-Dory Model: 26 Venture
Vessel Name: Osprey
Photos: Osprey
PostPosted: Sat Jun 10, 2023 6:30 am    Post subject: Reply with quote

The old short shaft standards were 15” (short), 20” (long) and 25” (extra long). Of course outboard powered boats have gotten bigger and there are fewer inboard outboard boats, so now there are 30” shafts.
Japan’s outboards have consistently added 2” additional inches to all of their outboards (17”, 22”, 27” and 32”).
Back to small inflatable dinghies, they are almost all short shaft transom’s.
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Moxieabs



Joined: 02 Nov 2003
Posts: 208
City/Region: Cape Neddick
State or Province: ME
C-Dory Year: 2003
C-Dory Model: 22 Cruiser
Vessel Name: Widget
Photos: Widget
PostPosted: Sat Jun 10, 2023 9:15 am    Post subject: Reply with quote

Thanks for the responses. The reason I'm asking is that I purchased an E-propopulsion 1.0 motor for my dinghy and went with an "extra short shaft" from their charts. Problem is a "short shaft" arrived and before sending back wanted an exact measurement of the transom. 15 3/4" is the change over point from ES to SS on the chart on their web site so maybe the short shaft is fine and makes more versatile to be used on other craft? Looking it over(no usage yet) it appears more robust vs Torqeedo and definitely larger capacity battery.
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thataway



Joined: 02 Nov 2003
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City/Region: Pensacola
State or Province: FL
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Vessel Name: thataway
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PostPosted: Sat Jun 10, 2023 10:55 pm    Post subject: Reply with quote

You should be fine with that motor--I would prefer it. I had a longer shaft on the Torqeedo I used for almost 10 years. It was fine, but a little long when I had to beach the boat, and even with all of the way up.
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Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
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Moxieabs



Joined: 02 Nov 2003
Posts: 208
City/Region: Cape Neddick
State or Province: ME
C-Dory Year: 2003
C-Dory Model: 22 Cruiser
Vessel Name: Widget
Photos: Widget
PostPosted: Sun Jun 11, 2023 7:36 am    Post subject: Reply with quote

Finally had a chance to measure transom height and the inflatable was 15.5". Forgot about my fiberglass C-Puffin dinghy and it was 19.5" so stayed with the "short shaft" vs the "extra short shaft". Thank you for the replies. Getting ready for a cruise in the North Channel, Ontario.
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