Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 11-06-2015, 09:21   #1
Marine Service Provider

Join Date: Apr 2010
Location: South Florida and the Caribbean
Boat: A beautiful catamaran
Posts: 152
Some Recent Thermal Images from Surveys

Hi everyone. I was going through some of my thermal images from past surveys and found a few I thought you would all like to see and to show you how well this technology works for trouble shooting hulls, boat systems, and verifying that damage does or does not exist. I took these images during several surveys of power and sailing vessels with a "Flir" brand "E50" infrared thermal imaging camera. Here are a few:



This is a thermal image of a powerboat above. Using heat from the inside of the cabin (causing thermal conduction) I was able to see the fiberglass laminates and the deck frame work to look for suspected damage.



This is what core replacement look like in the deck of a sailboat (the darker rectangular shape). The new core was a PVC type core surrounded by the existing original Balsa wood core deck. It was unnoticeable on the bow deck until I turned the thermal imaging camera on.



This is a loose keel during the bottom inspection. This was a bolt on type keel on a 1981 Irwin. The keel bolts were loose when inspected from the inside of the main salon.



This is a thermal image of a large fuel tank as seen through the aluminum of the hull. Notice the transverse frames as well.



This is moisture / wood deterioration behind a bulkhead on a Bertram Sportfish in the aft main salon area near the window.

To most this technology is unknown. I also advise that anyone using the thermal imaging camera to scan your vessel or vessel's engine be at least a level one certified thermographer. There is a science to it. Shadows and reflective objects can be mistaken for anomalies. The images also need to be properly tuned based on the environmental conditions at the time the thermal images are taken to have the ability to identify actual anomalies. If not properly tuned, the anomalies can hide within the image as some anomalies may only be a few degrees in difference in temperature.
__________________

__________________
Capt. John Banister, AMSŪ
SAMSŪ Accredited Marine Surveyor
Palm Beach Gardens, Florida
SuenosAzules is offline   Reply With Quote
Old 11-06-2015, 09:52   #2
Senior Cruiser

Cruisers Forum Supporter

Join Date: Nov 2012
Location: Long Beach, CA
Boat: Tayana Vancouver 42
Posts: 1,854
Re: Some Recent Thermal Images from Surveys

Impressive images. Quite a useful technology.


S/V B'Shert
__________________

__________________
Tayana42 is offline   Reply With Quote
Old 11-06-2015, 10:03   #3
Registered User
 
autumnbreeze27's Avatar

Join Date: Apr 2012
Location: Cruising Mexico
Boat: 50' Herreshoff Ketch
Posts: 967
Re: Some Recent Thermal Images from Surveys

Excellent use of the IR technology. Thanks for sharing. I have a similar product made by Seek, but haven't found it as useful as I initially thought.
__________________
autumnbreeze27 is offline   Reply With Quote
Old 11-06-2015, 10:06   #4
Wayfaring Mariner
 
captain58sailin's Avatar

Cruisers Forum Supporter

Join Date: Mar 2009
Location: Homer, AK is my home port
Boat: Skookum 53'
Posts: 4,045
Images: 5
Re: Some Recent Thermal Images from Surveys

Very informative, thank you for sharing.
__________________
" Wisdom; is your reward for surviving your mistakes"
captain58sailin is offline   Reply With Quote
Old 11-06-2015, 10:22   #5
Registered User

Join Date: Jan 2006
Location: North Carolina
Boat: 44 footer
Posts: 923
Re: Some Recent Thermal Images from Surveys

Do you have any connections with people around North Carolina that can render images of that caliber?

I'm involved in a refastening project on a wood hull that has been plywood sheathed, and we are interested in finding someone with this skillset to locate frames without doing as much demolition as conventional means would require.

Thanks,

Zach
__________________
Zach is offline   Reply With Quote
Old 11-06-2015, 11:01   #6
Moderator Emeritus
 
David M's Avatar

Cruisers Forum Supporter

Join Date: Sep 2007
Location: San Francisco Bay
Boat: research vessel
Posts: 10,152
Re: Some Recent Thermal Images from Surveys

Very nice! Thanks for your contribution to the forum.
__________________
David

Life begins where land ends.
David M is offline   Reply With Quote
Old 11-06-2015, 11:15   #7
Registered User
 
undrsol's Avatar

Join Date: Jan 2004
Location: Boston, MA
Boat: Brewer, Kaiulani 38, 41'LOA, "Kaiulani"
Posts: 17
Images: 20
Re: Some Recent Thermal Images from Surveys

I see that this works on aluminum boats. How about steel or galvanized steel?
__________________
"I've always wanted to sail to the South Seas, but I can't afford it." What these men can't afford is not to go. They are enmeshed in the cancerous discipline of "security." And in the worship of security we fling our lives beneath the wheels of routine - and before we know it our lives are gone.
The years thunder by. The dreams of youth grow dim where they lie caked in dust on the shelves of patience. Before we know it the tomb is sealed.
Where, then, lies the answer? In choice. Which shall it be: bankruptcy of purse or bankruptcy of life?
-Sterling Hayden (1916-1986)
undrsol is offline   Reply With Quote
Old 11-06-2015, 11:17   #8
֍֎֍֎֍֎֍֎֍֎

Cruisers Forum Supporter

Join Date: Apr 2006
Posts: 13,055
Re: Some Recent Thermal Images from Surveys

John-
Have you found the thermal camera to be of any value in looking for water-logged rudders in sailboats?
__________________
hellosailor is offline   Reply With Quote
Old 11-06-2015, 11:59   #9
Marine Service Provider

Join Date: Apr 2010
Location: South Florida and the Caribbean
Boat: A beautiful catamaran
Posts: 152
Re: Some Recent Thermal Images from Surveys

Quote:
Originally Posted by hellosailor View Post
John-
Have you found the thermal camera to be of any value in looking for water-logged rudders in sailboats?
Yes. of course.
__________________
Capt. John Banister, AMSŪ
SAMSŪ Accredited Marine Surveyor
Palm Beach Gardens, Florida
SuenosAzules is offline   Reply With Quote
Old 11-06-2015, 12:00   #10
Marine Service Provider

Join Date: Apr 2010
Location: South Florida and the Caribbean
Boat: A beautiful catamaran
Posts: 152
Re: Some Recent Thermal Images from Surveys

Quote:
Originally Posted by undrsol View Post
I see that this works on aluminum boats. How about steel or galvanized steel?
Yes, works just as well. Heat (thermal radiation) can not escape itself.
__________________
Capt. John Banister, AMSŪ
SAMSŪ Accredited Marine Surveyor
Palm Beach Gardens, Florida
SuenosAzules is offline   Reply With Quote
Old 11-06-2015, 12:12   #11
Registered User
 
travellerw's Avatar

Join Date: Jan 2014
Location: Martinique
Boat: Fortuna Island Spirit 40
Posts: 1,725
Re: Some Recent Thermal Images from Surveys

Thank you for posting.. Very cool..
__________________
travellerw is offline   Reply With Quote
Old 11-06-2015, 12:17   #12
Marine Service Provider

Join Date: Apr 2010
Location: South Florida and the Caribbean
Boat: A beautiful catamaran
Posts: 152
Re: Some Recent Thermal Images from Surveys

Quote:
Originally Posted by Zach View Post
Do you have any connections with people around North Carolina that can render images of that caliber?

I'm involved in a refastening project on a wood hull that has been plywood sheathed, and we are interested in finding someone with this skillset to locate frames without doing as much demolition as conventional means would require.

Thanks,

Zach
I do not know anyone in that neck of the woods. There are marine surveyors that use thermal imaging, but some are not certified or trained properly to use the cameras. Be sure you verify their certification and ask to see copies of their previous work. IR is a great way to locate them precisely however. Give me a call on this or send me an email.
__________________
Capt. John Banister, AMSŪ
SAMSŪ Accredited Marine Surveyor
Palm Beach Gardens, Florida
SuenosAzules is offline   Reply With Quote
Old 11-06-2015, 12:20   #13
Registered User
 
Island Time O25's Avatar

Join Date: Sep 2014
Posts: 2,019
Re: Some Recent Thermal Images from Surveys

What would be a typical ballpark figure to get one of these IR surveys on a 35-40ft boat?
__________________
Island Time O25 is offline   Reply With Quote
Old 11-06-2015, 14:29   #14
Marine Service Provider

Join Date: Apr 2010
Location: South Florida and the Caribbean
Boat: A beautiful catamaran
Posts: 152
Re: Some Recent Thermal Images from Surveys

Quote:
Originally Posted by Island Time O25 View Post
What would be a typical ballpark figure to get one of these IR surveys on a 35-40ft boat?
I just make thermal imaging part of most of my surveys. It only helps me do a better job. I do not charge extra, but if it is just thermal imaging work with no survey, my rate is typically $95.00 an hour.
__________________
Capt. John Banister, AMSŪ
SAMSŪ Accredited Marine Surveyor
Palm Beach Gardens, Florida
SuenosAzules is offline   Reply With Quote
Old 11-06-2015, 20:55   #15
Moderator
 
JPA Cate's Avatar

Join Date: Nov 2011
Location: aboard, cruising in Australia
Boat: Sayer 46' Solent rig sloop
Posts: 10,705
Re: Some Recent Thermal Images from Surveys

Suenos Azules,

Thank you for posting those pics. I'd only heard the words before, didn't know what you'd actually get.

Ann
__________________

__________________
Ann, with Jim, aboard US s/v Insatiable II, in Oz, very long term cruisers
JPA Cate is offline   Reply With Quote
Reply

Tags
images, survey

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Crew Wanted: Announcing! Images! Images! chebba Crew Archives 0 03-06-2014 06:58
Recent Thermal Imaging From Surveys in South Florida SuenosAzules Our Community 12 12-08-2013 19:56
Just Some recent Photos BlackOak Our Community 2 02-06-2013 10:49
ICW "Trouble Spots" and Recent Depth Surveys mtwguides Commercial Posts 0 10-07-2012 10:35
On-Line Surveys GordMay The Library 1 24-01-2004 07:21



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 00:30.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.