Coroplast Griffon 2000TDX Hovercraft build thread

[experimental_pil]

Hello all,
I am building this hovercraft from the plans at Mark Porters site( http://www.model-hovercraft.com ).
I should have thought about starting a build thread earlier, because I have the hull built already.
I am going to be putting an OS .40 LA on it and it should FLY!
Here are some pictures...
If you have any questions ask.

[BartMan]

What materials are you using, doesn't look like the plywood called for in the plans. Is it lighter and less expensive than the 1/32 plywood? Can you notate diferences in your build that vary from the plan?

Thanks,
Bart

[experimental_pil]

I am using Coropast(Corugated Plastic). It is commonly used for building RC airplanes.
I am not sure if it is lighter, but it is less expensive!
I am building it exactly as if I were using plywood as per the plans. To make sure that there is a good bond between the coroplast, I have glued wooden stir sticks to the edges of the bulkheads and sides.
To glue the stir sticks to the coroplast I used glue gun glue. To glue the hull together I used CA and then used more glue gun glue to seal any gaps.

W'ell time to get back to building.

[ropanach]

looking good so far, keep use posted.

[experimental_pil]

Ok all,
I have now attached the side decks.
Any questions just ask :)

[experimental_pil]

I've installed the cabin bulkheads now and now it's time to build the cabin around them :D

[experimental_pil]

I've got the skirt cut out now.

[Spadinator]

Are you gonna post plans for this creature? By the way it looks great so far!!!!

[experimental_pil]

Spadinator,
You can get the plans at http://www.model-hovercraft.com .
It is supposed to made with plywood, but I improvised.

[experimental_pil]

I let my imagination run wild. Ooops, thats not a good thing!
I have also pondered a heli-pad! I need someone with a chopper first though!

[experimental_pil]

...

[Spadinator]

COOL Thanks!!!:)

[experimental_pil]

My mom just finished sewing my skirt !
She did it by hand! No sewing machine for her!

I also did a test fit of the skirt. It fit's perfect!

[ernest2]

what material do you use for skirt?

[experimental_pil]

Rip-stop Nylon

[Spadinator]

I've got a commitment to put some ARF kits together for my LHS but I plan on doing one of these!!!

[experimental_pil]

Hey Spadinator,
Great! Make sure you post some pics of it when your done!
I haven't had anything new because Im still waiting for my engine to come.
I'll get a couple new pics though :-)
...
Thats my dog Zues. grrrrr :-)

[im-sad]

Cool HC.
im makeing one from depron foam.(go to foamy fourm) and im stuck on the skirt.
on the templates there are little sqares. are these cm or inch or what?????
I cant see the fan hole yet. what size prop are you gonna use? Wonder if garbage bag skirts would work>>>..............hmmm
good luck

[experimental_pil]

im-sad,
First of all cheer up :-) I couldn't find your thread. Could you post a link?

Which templates? The squares on my template are 1cm squared.
Im going to use a 9x8 prop on an OS .40 LA.

In one of the links I've posted you can find a skirt calculator.

Im not really an expert on hovercraft. Everything I know, I have learned from the forum at http://www.rc-hovercrafts.com .

[im-sad]

Well I was reffering to the depron(for those who dont use it)
Ill post a thread soon. (10min :P )
Im makeing the griffon. just didnt know how big the sqares were.
http://www.rcgroups.com/forums/showthread.php?t=361361#post3630955
adriel.

[experimental_pil]

Oh ok,
Are you going to make it electric or glow? The squares on the template from Mark Porters site are 1cm square. However there are problems when you print that out!
Print this out! http://www.rc-hovercraft.co.uk/skirtpatt-4.pdf . This has the instructions and template to do it right. Good Luck.

BTW, you dont have to do any scaling for that link I provided!

[im-sad]

Im going the E way. itl make it more fun to play with in the house. I got the skirt printed now but im tired and i ran out of glue. so ill wait to finis it. cant wait to see yours.

[experimental_pil]

My engine finally came and I made the airbox. Now Im working on the engine mount.

[im-sad]

Nice , cant wait to see it running. :D

[experimental_pil]

My engine is now installed. It is coming together soo fast!
I could have it running by the weekend.

[im-sad]

Lucky you. I got exams so no work for me.:(

[experimental_pil]

Im-sad, didn't I tell you to cheer up? :D
(sorry I just get a kick out of your name :D )

Now go study!

[bgrunes]

Hi Looking good, the extra power from the glow engine should give you the forward power this design needs. What are you using for a lift ? I built an electric version of this Griffon see http://www.rcgroups.com/forums/showthread.php?t=345643&highlight=hovercraft+
Good luck

[im-sad]

I dont want to study, :)
Isnt my name so fun!!!:D
wonder if anyones gonna make a IM HAPPY one.;)
good luck wont be online next week , EXAMS :( :( :( :mad: :(

[experimental_pil]

bgrunes,
I remember seeing your craft, it looks great! I am building my craft integrated, where the one motor is used for thrust and lift. The air is split by the splitter box and the plenum is filled by holes in the skirt.

I am having a problem using a cable to open and close the throttle right now and it is really ticking me off! Anyone have any ideas?

[experimental_pil]

Hi,
I have the duct, fuel tank and radio system installed now :D
http://img.photobucket.com/albums/v640/experimental_pilot/May14408.jpg
http://img.photobucket.com/albums/v640/experimental_pilot/May14409.jpg
http://img.photobucket.com/albums/v640/experimental_pilot/May14410.jpg

[andro000]

What % would you scale this down for a 400 Electric setup?

TIA!!!

[im-sad]

anythin new,

Try 50-25% smaller

[andro000]

how bout 50% smaller with 6mm coroplast?

[im-sad]

if you want 50 % then use a small BL motor like a cd rom motor, and if made of 6mm coroplast itl turn out pretty heavy, alternative= foam. or 3mm coro

[mbeaven]

I was wondering how does the skirt fit onto the hover craft can you email me.please m.j.beaven@paradise.net.nz

[mbeaven]

Your welcome to visit this site if you like and there are more pictures on this Griffon hovercraft 2000TDX
:eek:[URL=http://www.btinternet.com/~mark.e.porter/2tdx_gallery8.html :eek:

http://www.rc-hovercraft.co.uk/infoframes.html