Foamies for Dummies - RCCanada - Canada Radio Controlled Hobby Forum
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Old 12-05-2006, 10:05 AM   #1
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Foamies for Dummies

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Its been suggested to me a couple of times to get a foamy, and its sinking in... to a degree. I'm thinking of picking one up for the spring, but thought I'd get the research done now.


1) Is there a good website I can visit for foamy information, so I can just look stuff up, rather than making you guys type answers to my stupid questions?

2) How much is a COMPLETE foamy setup going to run me? I want something that I can learn aerobatics with, and fly in a park. I've never flown electric and know nothing about it. This list is what I think I'd need.

Battery (ies)

3) When you break these things, do you just cut new parts? If so where do you get the foam? Is it possible to just download plans and cut one from scratch?

4) What kind of a breeze (if any) can these things handle?


Ben Hindmarsh

"I keep planting planes, but they just won't grow!"
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Old 12-05-2006, 11:49 AM   #2
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I am: Leon L.
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Foamies are great! The airframes are cheap, durable and easily repaired.

I'll try to answer your questions:

1) Check out this site: (I host this site). Lots of good information here.

2) The cost of components can vary quite a bit depending on several factors, the component specifications, the vendor and brand names. Just as an example here are the costs of the components for a plane I've built:

Airframe - Stryker (pusher jet) - $30 (replacement fuse, had to build own canopy, fins)
Motor - Align 400LF $60
ESC - El' cheapo 30A - $40
Receiver $50 (you could get away with less)
Servos HS-81 $16x2 = $32
Battery 2200mah lipo 20C $32.50 (USD)
Charger Triton Jr (A good charger is a good investment)

You'll also need a 12 volt power supply for the charger, if you're handy you can modify a computer power supply at next to no cost.

What I've listed is just an example. You can mix and match a million different ways.

When foamies break, depending on the damage they can usually be glued back together. Be careful that you use "foam safe" glues otherwise they'll disolve the foam. If your plane is a "profile" or shocky style plane then you can make templates of all the parts and cut your own new components out of Depron foam (sold in sheets at many hobby stores). There are many plans available online that can be printed. Look on the site, there are a few there.

How wind resistant a plane is will entirely depend on the plane. A 28" 3D profile foamie will not like any wind. My Stryker or EasyStar will fly on very windy days.

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Old 12-05-2006, 02:11 PM   #3
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Very nice site Leon! Thanks for all the info, the fog behind foamies is clearing.

I think I definately have to get into electric... it just seems so practical to have a plane that is capable of flying in parks when it is so far to my club. Foamies also seem to be a less expensive and more durable way to learn aerobatics. Although SPADs are quick, cheap, and durable, electric seems to be more practical from the standpoint that many are safe for park use.

Or I could just be blabbering.

Thanks again!

Ben Hindmarsh

"I keep planting planes, but they just won't grow!"
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Old 12-05-2006, 07:16 PM   #4
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Ben: I strongly recommend the Slofly mini 28 for a CD rom type of motor. It's made from EPP foam (the bouncy stuff), so you can be bold, and if you crash it, usually all you have to do is pick it up and toss it back into the air. Sloper Steve should have all the stuff you would need:

You should also kick over to RCGroups
, and start hanging out in the foamies sections there. There are a ton of free plans availkable too. Finding thin foam here isn't the easiest thing - I made my own foam slicer, and just buy planks at HD or Rona.

Mine is not to reason why; I just wire them up to fry...I mean Fly!
I don't suffer from insanity...I enjoy every minute of it!!!
I never claimed to be the sharpest knife in the chandelier......

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Old 12-05-2006, 07:41 PM   #5
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I assume you are looking for a aerobatic/ 3d foamy as you stated in your first post.
Here in My opinion is a good way to go, not the best but very good and versatile:
E flite yak
900- 1320 lipo
12- 20 amp speed control
3 hs55 / s75 ect servos
Hitec or gws rx ( the berg is the best but way more money)
Park 370 or similar outrunner

The reasons
The eflite yak can handle some wind, is full fuse and stiff and if you look at it well and copy the parts it is very easy to replicate. In a Pinch you can fly it indoors It also flies very well. There are many better flying planes like the airfoilz but they are not easy to fix or replicate. It is a good idea to get a kit first to abtain all the cf parts etc.

900 - 1320 3s lipo will work very well in this model and a few others.

A speed control of this size will work in a lot of other models and is light enough for this model.

Hs 55/ s75 servos will work well enough, are inexpensive and can be used in a wide selection of models.

Hitec or GWS rx works well enough for small electric parkflyers and are inexpensive and relatively light.

A park 370 is perfect in this Model but can be used in Shockflyers (on the borderline weightwise) and a wide selection of other models.

I hope this helps and is only my opinion
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