Latest USCG Ice Rescue Airboat Design

A general, non-powerplant specific, discussion on airboat technology, ie., hulls, rigging, polymer, etc..
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DynaMarine
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Latest USCG Ice Rescue Airboat Design

Postby DynaMarine » Mon Jul 25, 2011 2:40 pm

Here's the final configuration design we came up with for the new US Coast Guard Ice Rescue Airboat. Modified the hull some from our original "big red", tweaked the cabin some and thought you guys might like a sneak peak.
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Re: Latest USCG Ice Rescue Airboat Design

Postby DynaMarine » Mon Jul 25, 2011 2:41 pm

Seating and top profile
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Re: Latest USCG Ice Rescue Airboat Design

Postby cntry141iq » Mon Jul 25, 2011 2:53 pm

:salute: :thumbleft: :old_glory:
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Re: Latest USCG Ice Rescue Airboat Design

Postby Andrew McD » Mon Jul 25, 2011 3:41 pm

Very nice renderings and design! What are you using to design it? Rhino, CAD...?
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Re: Latest USCG Ice Rescue Airboat Design

Postby DynaMarine » Mon Jul 25, 2011 3:44 pm

Andrew McD wrote:Very nice renderings and design! What are you using to design it? Rhino, CAD...?


Solid Edge (CAD)
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Re: Latest USCG Ice Rescue Airboat Design

Postby scott wheeler » Mon Jul 25, 2011 3:52 pm

Being not to wise why is it that every rescue boat or tour boat all run car engines (at least what I can remember)?

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Re: Latest USCG Ice Rescue Airboat Design

Postby Andrew McD » Mon Jul 25, 2011 3:55 pm

Very cool. I'm looking into getting some new software for my Rhino that is built for the marine industry. Its a particle simulator to show how boats ride in the water. I'd like to design my next boat with it but am saving the $$$ as its a fully personal funded hobby.... Do you and your company have any experience with this kind of software? Hows it work for the blow boats if so?
And once again, very cool stuff you all are doing. Just took a look at the website and its very impressive.
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Re: Latest USCG Ice Rescue Airboat Design

Postby DynaMarine » Mon Jul 25, 2011 4:00 pm

scott wheeler wrote:Being not to wise why is it that every rescue boat or tour boat all run car engines (at least what I can remember)?


I don't know why others don't, but we had to run on 87 octane and make enough power to push this heavyweight boat dry and get at least 4 hours endurance at cruise (35mph) fully loaded (6 people) and a whole other long list of requirements. Form my limited knowledge of aircraft engines, just short of a turbine there isn't an economical option that would make the power we needed. The turbine made the power alright, but no where near the fuel endurance we needed. PLus have you priced a new turbine? Wow...gov't won't accept rebuilds on new construction vessels, not even ones that come with a new warranty! I personally think the turbine would have been cool.
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Re: Latest USCG Ice Rescue Airboat Design

Postby DynaMarine » Mon Jul 25, 2011 4:06 pm

Andrew McD wrote:Very cool. I'm looking into getting some new software for my Rhino that is built for the marine industry. Its a particle simulator to show how boats ride in the water. I'd like to design my next boat with it but am saving the $$$ as its a fully personal funded hobby.... Do you and your company have any experience with this kind of software? Hows it work for the blow boats if so?
And once again, very cool stuff you all are doing. Just took a look at the website and its very impressive.


I personally don't have any experience with Rhino. Once we get done designing a boat we sent it to our Naval Architecture firm and they do the simulator, but I'm not sure what software they use. We don't do it for all of our boats as it's really not needed, but anytime we make major changes we do. We changed the bow, modified the chines and tweaked the shape a little to provide a better ride, handle bigger waves (3ft) and overall better performance.

Thanks for the kudos, glad you like our work!
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Re: Latest USCG Ice Rescue Airboat Design

Postby Andrew McD » Mon Jul 25, 2011 4:19 pm

well keep up the good work! I love seeing how different people are using more and more technology to build and design their boats. Old school is still pretty sweet but some of this new school design and tech is really expanding the airboat world. I put a rendering of a boat I started last week on some down time. Were building the rigging this weekend and using the software has really helped design the boat exactly how my buddy wants it.
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Re: Latest USCG Ice Rescue Airboat Design

Postby Ruagatr » Mon Jul 25, 2011 4:29 pm

That is a beautiful project. Good luck with it. What for power?

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Re: Latest USCG Ice Rescue Airboat Design

Postby DynaMarine » Mon Jul 25, 2011 4:30 pm

Andrew McD wrote:well keep up the good work! I love seeing how different people are using more and more technology to build and design their boats. Old school is still pretty sweet but some of this new school design and tech is really expanding the airboat world. I put a rendering of a boat I started last week on some down time. Were building the rigging this weekend and using the software has really helped design the boat exactly how my buddy wants it.


The software is awesome. and your boat looks like it's coming along nicely!
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Re: Latest USCG Ice Rescue Airboat Design

Postby DynaMarine » Mon Jul 25, 2011 4:35 pm

Ruagatr wrote:That is a beautiful project. Good luck with it. What for power?

Charles


Thanks Ruagatr. We've got a couple different engine options, but really looking hard at a 636ci big block. With a mild setup we'll get almost 800tq and a super reliable 650hp all on 87 octane and a nice quiet smooth idle.

Other options include a Felber 572ci 660hp and a 598ci 700hp from Innovation Marine.
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Re: Latest USCG Ice Rescue Airboat Design

Postby Andrew McD » Mon Jul 25, 2011 4:38 pm

Thanks a lot MILSAR. Nice chatting with ya. I'll be following your projects, cant wait to see what ya'll produce next.
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Re: Latest USCG Ice Rescue Airboat Design

Postby Whitebear » Mon Jul 25, 2011 5:06 pm

Does my heart good to see things coming together using today's technology. These Cad programs still baffle me. I now have two of them and though I can do every bit of the drawings on a board with a T-square and triangles and dividers and pencil, so far I cant even draw a tricycle in CAD. LOL

Cudos to yas that are making it happen!
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Re: Latest USCG Ice Rescue Airboat Design

Postby Bob in Canada » Mon Jul 25, 2011 6:00 pm

I'm not sure how much you've used an air boat on bare ice but they can get kind of squirrley . Id try to keep an ice brake set up in your thoughts . Helps keep the boat going straight . ( and stop )
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Re: Latest USCG Ice Rescue Airboat Design

Postby DynaMarine » Mon Jul 25, 2011 6:42 pm

Bob in Canada wrote:I'm not sure how much you've used an air boat on bare ice but they can get kind of squirrley . Id try to keep an ice brake set up in your thoughts . Helps keep the boat going straight . ( and stop )


Absolutely Bob, we've included a hydraulic ice brake that also doubles as a parking jack, so the boat won't get stuck to the ice after a long run. Didn't get a chance to add that in the model, ran out of time.
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Re: Latest USCG Ice Rescue Airboat Design

Postby AirRanger » Mon Jul 25, 2011 6:59 pm

It is obvious that a "Real Airboater" didn't design that boat. It doesnt even have a frog shoot. :toothy7: :D . Looks great. Riding in something like that must be a real treat.
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Re: Latest USCG Ice Rescue Airboat Design

Postby OTTER » Mon Jul 25, 2011 8:35 pm

MILSAR
Thats quite similar to the boat that I saw northbound on I-95 several months ago
The difference is the one I saw didn't have an enclosed cockpit and had the usual operator station rigging, It also had a steering wheel.
Fully marked as a USCG boat and being pulled by a Big WHITE 4600 International Truck.
I posted ?? about it when I saw it. Very few responded..

Looks very nice. Just put a big A/C system in that cabin to stay cool here in SoFla.
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Re: Latest USCG Ice Rescue Airboat Design

Postby DynaMarine » Mon Jul 25, 2011 8:56 pm

I'm not sure about all the USCG airboats. I know they've used several different manufacturers over the last few years, trying to find one that'll hold up to their mission profiles on the Great Lakes. From what I hear from USCG, they're destroying the boats after one season, well destroying the structure inside. Extreme vibration and shock, stress and extended operations is wreaking havoc on welds.
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Re: Latest USCG Ice Rescue Airboat Design

Postby :) » Mon Jul 25, 2011 9:23 pm

Very cool machine. Shoot I'd ride that around in Florida, a/c blowin! Lol.
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Re: Latest USCG Ice Rescue Airboat Design

Postby DynaMarine » Mon Jul 25, 2011 10:35 pm

It's got plenty of heat, a/c's and option! Ha! I'll see if we can't brin it down that way for a little test and tune before it heads to the Great Lakes :)
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Re: Latest USCG Ice Rescue Airboat Design

Postby Takuriver.com » Tue Jul 26, 2011 12:15 am

Seth,
Thats actually the perfect boat for Alaska and Canada; might need a working boom to pick up a moose but hey! I just want to thank you for turning me on to Virginia Speed /Engine Tech. I got a good feeling that my 4 years of engine torture might be coming to an end. I forgot if you said but what is the projected dry weight of this Coast Guard Boat?
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Re: Latest USCG Ice Rescue Airboat Design

Postby DynaMarine » Tue Jul 26, 2011 7:58 am

No sweat Taku, glad I could help! As for dry weight, max dry weight is 3,780lbs...shooting to come in just under that. Right now our detailed weight estimate comes in a 3,566lbs.
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Re: Latest USCG Ice Rescue Airboat Design

Postby glades cat » Tue Jul 26, 2011 1:51 pm

Outstanding boat for sure.
Don't forget to make room for a coffee machine and heated blankets. lol
Have you calculated the cost?
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