How to Apply True 5200 Bottom

Vintage Boat Preservation How-To

Don Danenberg is a champion of the True 5200 Bottom, which he has memorialized in several books, but also an excellent and seminal article, “What is a True 5200 Bottom?,” Classic Boating, September/ October 2014

This section’s content offers a visual and written textbook aimed at answering Danenberg’s question.

1938 chris craft runabout bottom battens

How to Install Bottom Battens in a True 5200 Bottom – 1938 19′ Chris-Craft Custom Runabout

As is typical of all Chris-Craft utilities and runabouts, this 1938 19’ Chris-Craft Custom Runabout, ...
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1938 chris craft runabout install bottom planks

How to Install Bottom Planks in a True 5200 Bottom – 1938 19′ Chris Craft Custom Runabout

Installing the bottom planks can be tedious and is fraught with all manner of challenges ...
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1938 chris craft runabout inner plywood skin

How to Install the Inner Plywood Skin in a True 5200 Bottom – 1938 19′ Chris Craft Custom Runabout

Actually installing Flyin’ By’s True 5200 bottom begins today. After cutting and fitting all of ...
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1938 chris craft runabout bottom fasteners

How To Remove Bottom Fasteners in a True 5200 Bottom – 1938 19′ Chris Craft Custom Runabout

That Flyin’ By’s bottom was original to the boat is absolutely certain. How do we ...
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1938 chris craft runabout countersinks fasteners

How to Open Countersinks and Remove Fasteners from the bottom of a 1938 19’ Chris-Craft Custom Runabout

We clean fastener countersinks using a Blair Equipment 11090N Rotabroach Cutter Kit, which is available ...
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1946 chris craft u22 plank bedded in 5200

1946 Chris Craft Brightside U22: How to Plank Bedded in 5200

Bedding the bottom planking in a 1/8” thick layer of 3M5200 without making a huge ...
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1946 chris craft u22 bottom planking

1946 Chris Craft Mahogany U22 Bottom Planking Fabrication

Our 1946 Chris-Craft Mahogany (Brightside) U22 project enters the bottom planking fabrication stage today. We ...
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1946 chris craft U22 5200 bottom launch

1946 Chris Craft U22 5200 Bottom Assembly is Launched!

Let the True 5200 Bottom assembly begin! It has been a long winter, but, finally, ...
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1946 chris craft brightside 5200 bottom patterning

1946 Chris Craft Brightside U22 5200 Bottom Patterning

OK, we’ve received a myriad of questions about how, once the hull is ready, we ...
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1959 Chris Craft fabricating 5200 bottom

1959 Chris Craft: How to Install Bottom Planking When Fabricating a 5200 Bottom

I have had several requests for a video showing our crew installing the bottom planks ...
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1953 shepherd sportsman how much 3M True 5200 bottom

1953 Shepherd Sportsman: How much 3M 5200 is enough when doing a True 5200 bottom?

One more milestone is disappearing in the rear view mirror. My ’53 22’ Shepherd’s port-side ...
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1953 shepherd sportsman 110s fabricating bottom skin

1953 22′ Shepherd Sportsman Fabricating Her Bottom Skin

Our goal, fabricating a true 5200 bottom on Shirley’s and my 1953 22’ Shepherd Sportsman, ...
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1930 Dodge Runabout Barriercoating the True 3M5200 Bottom

Our “True 5200 Bottom” project on the 1930 Dodge Runabout, the Minnow, has reached the ...
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