Swamp Buggy Build incoming - hobby shop find

944_Jim wrote:Gee, some guys have all the luck. Congrats and good for you! Please consider tracing the Seamp Buggy parts, copying the plans, and send 'em to Steve at Outerzone.

Thanks, the odd time i do come across something . Great idea, I'll try and do that. My scanner is pretty bare bones but I'm pretty sure I can get the important parts done.

I also have been enjoying some magazines from the 1950s a friend shared with me, there is some really interesting plans in there.  I'll keep my eye out for anything interesting.

Layback,
I have to walk-back my suggestion. I didn't realize that kit is still a current production model.
Outerzone can't host copyrighted material.

Sorry for the bad plan.

944_Jim wrote:Payback,
I have to walk-back my suggestion. I didn't realize that kit is still a current production model.
Outerzone can't host copyrighted material.

Sorry for the bad plan.

No worries Jim, thanks for identifying that. I guess that's good news though, you can still order a kit if a hobby shop has a line with Dumas.

Woohoo made some progress. One benifit of finishing our garage reno is I squirreled away some scrap drywall do multiple builds can progress at once. Glue wait rotate projects .

Pretty die crushed, the lamination helped true stuff up . I imagine there is much more wiggle room with boats than wings  

Well here's my thinking, I have this 0.074 queen bee that needs to do something, and she is a tank weight wise so maybe land vs air. Nothing can sit on a shelf is my optimistic perhaps non achievable goal.  None the less, may try and flip this to normal propulsion vs pusher. More checking to come... I don't want to do anything that prevents it from getting on plane.  

I like it as an option as more access for starting, and the engine will get air cooling.  Hopefully the queen is some what reliable. I wish to use its r/c carb and a surface radio set up.  There should be some micro servos out there that can get the job done with out weighing it down more.

Loving the magnet board, makes quick work of set up.

Hi layback,
WOW !
That Cox Me-109 is the best performing CL they made ! Great engine.
The wings are VERY fragile though... Good for flying, just not landing !
Later on that...
Anyways,
A 1/2A Cox Air Boat is allot of fun...
Based on those pictures in model mags of that very SwampBuggy,
I made my own that was built around my new Heathkit radio.
Went dual rudders, where the 'fins' were part of the engine/tank mount.
Having the prop fwd is better. Dual rudders in prop stream is more than twice as good.
It was flat bottomed, so not, so ideal for fast on water,
But shined on snow/ice.
You will learn... if you go too fast upwind in one ! Slightest gust ! Over backwards !
Mine was backplate/throttle sleeved .049...
I think in water,
Some 'Vee' is good on the aft end.
I think you will have fun with this project.
I did !

Take care,
Have fun,
Dave
Maac 6437

Thanks Dave, sounds like you built an awesome puddle hopper. I definitely want to try this in the snow at some point. Fortunately there is some v in the stern section. Glad to hear your experience with it thanks for sharing.

I really like the twin "air rudder" set up you described, I might just do that. So far I'm enjoying the simplicity of it.

I'm pretty excited might need to procure the "big swamp buggy" too hahaha. I have a 40 engine some where.

Good luck with the build!! I like the idea using a metal board and magnets. If the plans indicate a CG, it's better to stick to it and when using another engine or changing the engine position, compensate with rc gear position or lead to obtain the corrct CG.

I built an airboat in 2017 from the plans of Vic Smeed. The boat is called Hydro-Bat. I added an aluminium frontbumper to protect the front edge which is rather pointed.

https://www.coxengineforum.com/t10621-hydro-bat-by-vic-smeed-engine-probs

I never tried my airboat. When I finish a model, I tend to loose interest. In fact, I should build only static models.

OVERLORD wrote:Good luck with the build!! I like the idea using a metal board and magnets. If the plans indicate a CG, it's better to stick to it and when using another engine or changing the engine position, compensate with rc gear position or lead to obtain the corrct CG.

I built an airboat in 2017 from the plans of Vic Smeed. The boat is called Hydro-Bat. I added an aluminium frontbumper to protect the front edge which is rather pointed.

https://www.coxengineforum.com/t10621-hydro-bat-by-vic-smeed-engine-probs

I never tried my airboat. When I finish a model, I tend to loose interest. In fact, I should build only static models.

That is s beautiful build. I really like how you set it up. I'm thinking I will tape up the stock engine configuration and find the intended c.g. that way. Great advice on moving radio gear around. This engine is heavier, but should be a bit quieter. So I can use it in the back alley .

Made a little more progress. I accidentally didn't lable any of the wood kit pieces and used one of the hard wood 1/8" squares for bracing vs the hull guide things. Fortunately I had some 1/4" hardwood stock for 1/2a motor blocks I was able cut down on my scroll saw. Doh.

Here's some build picks. Got my servos today, they are way more skookum than I thought they would be. I didn't want to use the standard size ones for this. And the cost of these things have really come down. The finish line is starting to be in site woohoo.... cause I got 50 other things to get to Good problem to have.

Hi layback,

Looks great. My flat bottomed one 'skipped like a stone' on water at full throttle...
Those chines will help big time. Never thought of that....
Snow is getting rare around here, to consider.
Try dual rudders behind the prop, twice as good,
With respect,
Dave