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Cox Powered Airboat

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Re: Cox Powered Airboat

Post  PeterJGregory on Thu Jan 21, 2016 1:00 pm

Good going - I cobbed together something like this about 40 years ago as a kid. No RC though. I was bored in the winter and it seems a whole lot of my cox engine running was when it was blasted cold out, freezing my hands with evaporating fuel all over them. Memories of brisk winter days.
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Re: Cox Powered Airboat

Post  NEW222 on Mon Feb 01, 2016 8:20 pm

Ok. It has been a short while since last update, but engine had arrived and was installed. Just got to get a throttle cable and install it. Fingers crossed, this Thursday may be the day I get to the hobby shop and they have it in stock. Although, I have some stainless steel fishing leader material in .032 on hand, same as the stuff in the link I was provided, so should the hobby shop not have the set up, I will experiment with the stuff I have on hand. I will try to get a float test tomorrow, as well as a picture. The ones I took tonight were fuzzy and camera is now dead, the same as I feel! Anyways, I will update as soon as I have a chance.
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Re: Cox Powered Airboat

Post  NEW222 on Mon Feb 01, 2016 9:04 pm

Ok. Despite me feeling like crap, I didn't want to keep hanging on this, so grabbed the phone and snapped these pictures for your enjoyment, if you can call it that... Anyways, weight to date as it sits in the following pictures is right at 14.7 oz. Only other things to add are the micro servo and throttle cable for the throttle. So, I can expect to keep it at just under 1 pound. Receiver is not very visible in the hatch area, but it is off to the right side in the picture, I just have to glue down some Velcro for it to mount to, as well as the battery pack. I do now wish that I had cut the hatch opening about an inch more towards the front for balancing, but should get away with it as it sits.





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Re: Cox Powered Airboat

Post  NEW222 on Mon Feb 01, 2016 9:09 pm

And I would like to add that the engine powering this contraption is a Cox product engine with black horseshoe bckplate, SureStart piston/cylinder set, Killer Bee thrust washer, r/h snap starter, TD spinner, and the added bonus of an Ace R/C throttle ring. And not as to tie up the 'Cox Engine Of The Month' thread, yes Jason, it may look quite familiar.......... Very Happy
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Re: Cox Powered Airboat

Post  Marleysky on Mon Feb 01, 2016 9:44 pm

I think it looks good! Like all models you'll need decals, stripes, flames or stickers of some kind to keep your orientation ....port or starboard. Glue on a GI Joe for the Captain and Pilot. Pop open an Adult beverage pour some over the Bow and christen and give her a name!! I'll settle for a video of her flyin across the water! Cold
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Re: Cox Powered Airboat

Post  roddie on Mon Feb 01, 2016 10:44 pm

Marleysky wrote:I think it looks good!  Like all models you'll need decals, stripes, flames or stickers of some kind to keep your orientation ....port or starboard.  Glue on a GI Joe for the Captain and Pilot.  Pop open an  Adult beverage pour some over the Bow and  christen and give her a name!!  I'll settle for a video of her flyin across the water! Cold

I'll second that! These models are so cool! You never have to worry about it going splat into splinters.. Sad unless you run it in a granite quarry.. and make a bad turn.. Shocked
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Re: Cox Powered Airboat

Post  1/2A Nut on Tue Feb 02, 2016 3:16 am

And the crowd chants vid vid vid Fishing

Should move along much better than the old Dumas mahogany ones.
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Re: Cox Powered Airboat

Post  coxaddict on Tue Feb 02, 2016 4:44 am

Uh oh, always wanted to build one for the times when the baseball field gets swamped from rain. lol!
So foam it is! Smile
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Re: Cox Powered Airboat

Post  batjac on Tue Feb 02, 2016 1:51 pm

1/2A Nut wrote:Should move along much better than the old Dumas mahogany ones.

Sacrilege!!!  Like saying a Norvel .049 moves along better than a Cox .049.  Some things should just be left unsaid!

New, I can't really tell from the photos, but is that a balloon tank?  The shape gives me an idea.  This build makes me want to build a L'il Swamp Buggy replica, even though I have nowhere to run it.  The tank looks like the back half of the strap on engine pods for gliders, and it seems that I could take one I'm not using and just strap it down to a foam hull.  Save some fabrication time, and make it easier to transport.  Just thinking out loud on paper here.

The Swamped Mark
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Re: Cox Powered Airboat

Post  1/2A Nut on Tue Feb 02, 2016 2:54 pm

I built and ran two mahogany Dumas boats with 1/2A engines.

The first run of the Dumas air boat was magic as it did its first pass
by the shoreline. But quickly became tooo slow and was upgraded
to a TD .049 then a TD .09 (perfect) Small Cox Logo
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Re: Cox Powered Airboat

Post  OVERLORD on Tue Feb 02, 2016 3:48 pm

Hi New, your boat looks great!! It reminds me to get on with mine. After planes and a car, it's time to finish my outrigger.

Lieven
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Re: Cox Powered Airboat

Post  NEW222 on Tue Feb 02, 2016 3:51 pm

batjac wrote:
1/2A Nut wrote:Should move along much better than the old Dumas mahogany ones.

Sacrilege!!! Like saying a Norvel .049 moves along better than a Cox .049.  Some things should just be left unsaid!

New, I can't really tell from the photos, but is that a balloon tank?  The shape gives me an idea.  This build makes me want to build a L'il Swamp Buggy replica, even though I have nowhere to run it.  The tank looks like the back half of the strap on engine pods for gliders, and it seems that I could take one I'm not using and just strap it down to a foam hull.  Save some fabrication time, and make it easier to transport.  Just thinking out loud on paper here.

The Swamped Mark
Yes, that is a balloon tank on the back of the pod. I will take a picture of it in a bit and post it here for you. I may have a set of drawings of the boat still that I can send you if you are interested. I will have to take a peek though. At worst, I can draw out the pod for you and give the dimensions. Please bear with me for a bit.

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Re: Cox Powered Airboat

Post  NEW222 on Tue Feb 02, 2016 3:52 pm

And also, thanks again for the help and compliments.
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Re: Cox Powered Airboat

Post  NEW222 on Tue Feb 02, 2016 5:04 pm

Ok. Here Is a picture of the tank assembly from the back side. I am trying something I saw somewhere else on the tank neck. I cut the top off of an e-juice bottle that was laying around, and used it as a 'plug'. The one I saw online was from a Visine bottle top, and this was comparable in my eyes. I did not have anything of suitable size to use as a front 'plug', and why I tried it. Anyways, here it is.

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Re: Cox Powered Airboat

Post  getback on Wed Feb 03, 2016 7:21 am

New, that's a darn good idea with the juice nipple end , I don't have any of those but I do use eye drops and solution that has those removable nipples that could be drilled to fit a fuel hose and a balloon slipped over the outer circumference for a tight fit . Have you had a chance to run it or you still snow bound ? The boat looks good . Eric I Love This Forum!
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Re: Cox Powered Airboat

Post  NEW222 on Wed Feb 03, 2016 4:01 pm

No, I have not yet run it. Snowbound I am, and getting more as I am typing this message. I do have intentions of trying it out in the snow, but only when it is nicer out and I get rid of this darn cold that has been hanging on. Third time its been back since between X-mas and New Year's. Thanks.
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Re: Cox Powered Airboat

Post  getback on Thu Feb 04, 2016 7:04 am

I hate that your suffering from the dreaded cold/flu . You eating plenty HOT peppers with your chicken soup bottle OLE Crow on the side // That's a long time to have a cold maybe a Doc visit for some antibiotics is in order. Hope you feel better soon and can get out to run that swamp buggy . Eric Sad Goodbye
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Airboat/snowboat

Post  706jim on Thu Feb 04, 2016 9:51 am

Your airboat will work fine on snow. And, for what it's worth, float planes work great off of snow as well. I find that the floats bridge the inevitable footprints that are found on a typical winter flying field.
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Re: Cox Powered Airboat

Post  NEW222 on Thu Feb 04, 2016 12:07 pm

Thanks. I am now beating this darn cold. It has now broken and the bad stuff is going out of me like itis going out of style!☺ Thanks for the rreinforcement of using it on snow.
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Re: Cox Powered Airboat

Post  akjgardner on Thu Feb 04, 2016 1:14 pm

Hey New, What are the dimensions of your air boat ? Thanks
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Re: Cox Powered Airboat

Post  NEW222 on Thu Feb 04, 2016 3:28 pm

I am not home right now, but will get those for you later this afternoon.
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Re: Cox Powered Airboat

Post  NEW222 on Thu Feb 04, 2016 6:28 pm

Ok, here it is.
8 1/2" wide (constant)
19 1/4" long (constant)
2" tall at the transom
2 1/2" tall at the deepest part.
Hope this helps. As of right now, it balances at approximately 7 1/4 inches from the transom.
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Re: Cox Powered Airboat

Post  akjgardner on Thu Feb 04, 2016 7:01 pm

NEW222 wrote:Ok, here it is.
8 1/2" wide (constant)
19 1/4" long (constant)
2" tall at the transom
2 1/2" tall at the deepest part.
Hope this helps. As of right now, it balances at approximately 7 1/4 inches from the transom.
Thank you sir
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Re: Cox Powered Airboat

Post  NEW222 on Sun Feb 07, 2016 10:29 am

Well, the airboat now has a bit of artwork and a name. Spirit Of Wisconsin..... Very Happy


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Re: Cox Powered Airboat

Post  akjgardner on Sun Feb 07, 2016 10:55 am

Nice, Can't wait to see it run, And thanks again for the Plans
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Re: Cox Powered Airboat

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