Build thread: Cozy F1 T800 33" tunnel

Grimracer · Dec 17, 2023

I have found all the notching to be more of a detriment to a build. The exposed end grain makes a TON MORE sealing responsibility to keep the boat from water damage. I now try to minimize it.

Looks like a fun build

Grim

Dirk Jan Cozy · Dec 17, 2023

Thank you for your feedback Grimracer. I can image that, and it's something to keep in mind. I always fully glass my boats, so that will seal the hull.

Mark Poole ModVP · Dec 20, 2023

The boat handles and turns very well even without stumble pads!

Dirk Jan Cozy · Jan 3, 2024

I made some progress with the kit build.

I made a carbon cowl on my mold.

I glued the sponson ribs and clipped the sponsons to the tunnel. The shape is becoming visible!

Dirk Jan Cozy · Jan 7, 2024

I made some progress on the kit build. I started assembling the sponsons, sealed the tunnel with epoxy, and I made a carbon cowl.

Here's the build video, part 2:

HTV Boats · Jan 7, 2024

Very nice looking build. A quick word of caution on carbon cowl. Make sure your antennae isn't enclosed. I found out the hard way with a boat 20 feet up on the bank.
Mic

Dirk Jan Cozy · Jan 7, 2024

Thank you for the advice. I was aware of that and I inserted a glass section into my carbon hatch (front one).

Dirk Jan Cozy · Aug 6, 2024

I wanted to share Aaron's 1/4th scale Cozy F1 T800. Equipped with a Zenoah 30cc outboard. How cool is that!

Jerry Dunlap · Aug 6, 2024

That is a beautiful model tunnel boat. Would love to see a video of it running.
JD

Dirk Jan Cozy · Aug 7, 2024

Aaron will send me some videos once he dialed the boat in. I will post the link here.

Dirk Jan Cozy · Aug 30, 2024

After 4 years, my T800 F1 is still a great boat to run! I love the looks of an F1 boat on the water.

Here's a video of yesterday's run. It was quite windy, so I put the lipo forward, making it run a bit wet.

It ran 58mph on 6S with 1650kV 3674 motor, and a 643 prop.

I sold 7 of these hulls to a German club. They will race them in their own competition next season!

Dirk Jan Cozy · Oct 7, 2024

Last weekend, we had a Dutch RC electric powerboat meeting. It was a great day, and I got a speed record with my F1 T800 of 61mph.

Setup:
Motor: Turnigy 3674 1650kV
Esc: Turnigy Marine 120A
Lipo: CNHL 5200mAh 90C
Prop: 643 aluminum 2 blade

Build thread: Cozy F1 T800 33" tunnel

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Build thread: Cozy F1 T800 33" tunnel

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