RE: Here's A Simple & FREE First Foam Build Plan! (Part 2)  
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All Forums >> Electric Aircraft Universe >> Foamies! - RC Electric Foam Aircraft >> RE: Here's A Simple & FREE First Foam Build Plan! (Part 2)
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RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 4/28/2008 10:11:39 PM   
Fisher



Posts: 594
Joined: 9/21/2004
From: Fort Richardson, AK, USA
Status: offline 		Looks great Saucerguy! (Way to complicated for my brain.)


Check this plane out.


http://www.acesim.com/rc/jsf/jsf.html



(in reply to saucerguy)
       Post #: 151

RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 4/29/2008 8:23:36 AM   
saucerguy


 

Posts: 472
Joined: 1/4/2007
From: , WA, USA
Status: offline 		Nice plane Fisher, I already have the covering on the wing done, checkboard to boot, hehe, photo's shown soon. I have a So. saucer done up mainly in foam board, yet keeps the boom tech in tact shown below, yet to maiden it but it's chuck glider bash along the same specs show airworthy values big time. The top forward section is done in Coroplast, the COG on this one, get this, is near the middle of the disc!!! Most flying discs done conventionally require the COG to be around 5-10 percent of the forward section diminishing performance.

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< Message edited by saucerguy -- 4/30/2008 8:51:07 PM >

(in reply to Fisher)
       Post #: 152

RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 5/5/2008 5:22:44 PM   
Fisher



Posts: 594
Joined: 9/21/2004
From: Fort Richardson, AK, USA
Status: offline 		Here is a good representation of what someone may want to do the the SO. Pretty much what we talked about in the earliest part of this forum.

http://www.rcflights.co.uk/TwinBoomEquip.htm

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< Message edited by Fisher -- 5/5/2008 5:23:16 PM >

(in reply to saucerguy)
       Post #: 153

RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 5/5/2008 7:18:07 PM   
critterhunter



Posts: 2510
Joined: 9/24/2004
From: Brook Park, OH, USA
Status: offline 		Saucerguy, NICE balsa build! Can't wait to see more pics and here how she flys compared to the foam versions.

Well, once again I wrecked the dual boomer. I finished it's last fuse damage and covered it all pretty like. Took it out for a spin Saturday and she was flying real nice. There was some trimming to be done and so I wasn't paying attention to how far away she was getting from me. Being that a storm was moving in the grey sky combined with the bird's grey covering job made her suddenly vanish on me. Couldn't see her anywhere instantly with the low/grey clouds rolling in, so I killed the motor and nosed her down.

A long walk back in the field found the fuse once again broke in half and some other damage. Nothing major that I can't fix but I know build #3 would have laughed off any of these wrecks with no damage, so I'm going to install the carbon skeleton like I did in that build. I think the booms/h-stab/-v-stabs and maybe the wing are just fine, with little or only minor damage and so will be salvaged. A new fuse needs to be made again, though. There is already a carbon tube in the wing so I'll just need to install carbon tubes in both booms at the tops so they are glued to the wing tube, then glue their other ends to the flat carbon I've got running across the H-stab. Then it'll just take a carbon tube from nose to tail, angled from top back of the fuse to bottom front of the nose. This allows the battery chamber to clear and also makes sure the other end at the nose hits. I may also put on a detachable nose held on with magnets to absorb any nose in crashes. This works well on my Stryker, deflected the body away from a straight nose in when the nose comes off, and also helps to absorb momentum. I might make this nose out of a sponge like material (pool noodle?) to really soak up impacts. In build #3 without the detachable nose it still held up to some pretty amazing impacts without any body damage, so the removable nose isn't a must have but we'll see if I feel like putting one on.


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(in reply to Fisher)
       Post #: 154

RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 5/5/2008 7:19:24 PM   
critterhunter



Posts: 2510
Joined: 9/24/2004
From: Brook Park, OH, USA
Status: offline
quote:

ORIGINAL: Fisher

Looks great Saucerguy! (Way to complicated for my brain.)


Check this plane out.


http://www.acesim.com/rc/jsf/jsf.html





Fisher, very cool design. About ready to build my first EDF. Will post photos soon.

_____________________________

If you believe in Global Warming then shut your mouth. All that hot air is warming up the planet, remember?

(in reply to Fisher)
       Post #: 155

RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 5/11/2008 2:17:56 AM   
saucerguy


 

Posts: 472
Joined: 1/4/2007
From: , WA, USA
Status: offline 		Critterhunter, I think you crash on purpose, just to get in more building time, hehe. Going with a nose section has proven to be a really good move, I've been using the same GWS P51 rubber spinner for a couple of mine and it really does a nice job at absorbing impact, it also looks nice as well. I look forward to seeing your revisions in place, it seems we all tend to modify it a bit from stock in our own unique ways with this one.

I have mine ready to maiden, I'll just be using some clear packing tape to keep the battery from sliding out of it's compartment for the first few flights then will get something more permanent in place after the fact. I had to add a decent amount of balast to get the COG correct, I stuffed a few nuts and some clay inside of the nose cone to accomplish that, I wouldn't have to go that route if I were using a heavier battery pack, or if I made the nose longer. I used Oracoat on it, and as you can see, it's never going to blend into anything around it, I kinda want to BBQ when I look at the thing for obvious reasons. What's cool about this system, since the fuse is just rubber banded on, making replacements will be cake since there will be no surgery required to get it re-attached to the rest of the plane, that and in theory, the rubber bands should allow the fuse to give way in an impact.

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(in reply to critterhunter)
       Post #: 156

RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 5/11/2008 5:29:17 AM   
calvino


 

Posts: 6015
Joined: 4/17/2007
From: Thousand Oaks, CA, USA
Status: offline
quote:

ORIGINAL: saucerguy

Critterhunter, I think you crash on purpose, just to get in more building time, hehe. Going with a nose section has proven to be a really good move, I've been using the same GWS P51 rubber spinner for a couple of mine and it really does a nice job at absorbing impact, it also looks nice as well. I look forward to seeing your revisions in place, it seems we all tend to modify it a bit from stock in our own unique ways with this one.

I have mine ready to maiden, I'll just be using some clear packing tape to keep the battery from sliding out of it's compartment for the first few flights then will get something more permanent in place after the fact. I had to add a decent amount of balast to get the COG correct, I stuffed a few nuts and some clay inside of the nose cone to accomplish that, I wouldn't have to go that route if I were using a heavier battery pack, or if I made the nose longer. I used Oracoat on it, and as you can see, it's never going to blend into anything around it, I kinda want to BBQ when I look at the thing for obvious reasons. What's cool about this system, since the fuse is just rubber banded on, making replacements will be cake since there will be no surgery required to get it re-attached to the rest of the plane, that and in theory, the rubber bands should allow the fuse to give way in an impact.

dude that is a SICK wrap job on it , saw ya thread on RCG, i do have to say it looks like a good newbe plane for nose dive king calvino , haha, ya, well see , it looks prety easy to build, whats the aprox build time for it

_____________________________

RC18T 6800 Sidewinder Micro 2s lipo, 1980 Goldpan (needs electronics), ST-1, Slow Stick $15 outrunner combo 3s lipo †

(in reply to saucerguy)
       Post #: 157

RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 5/11/2008 11:40:40 PM   
saucerguy


 

Posts: 472
Joined: 1/4/2007
From: , WA, USA
Status: offline 		Thanks Calvino, I have no idea what I put into it time wise, I just tinkered with it off and on as I found time to do it. With the way I did it, not going for precision, just to be the first one to build a stick version, I moved pretty quickly with it. The one revision not shown is to reinforce the inner section of the aft outer tips of the wings since there isn't much area there to prevent those sections from caving in while I was covering it. The fuse revision how it's mounted is really a good way to go, it's tight enough to not slide around in flight, yet should give way during impact, of which I'm hoping I don't have to test it out full force. I opted to wrap a couple of rubber bands around the battery pack to keep it from sliding out, that's a low tech way of doing it and I'm happy with the low profile system for that element as well. It's really windy today, I might take it up anyway, I prefer less wind during maidens, will see how the day unfolds, tomorrow is supposed to be better.

(in reply to calvino)
       Post #: 158

RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 5/12/2008 3:11:26 AM   
saucerguy


 

Posts: 472
Joined: 1/4/2007
From: , WA, USA
Status: offline 		I ran it through motocalc, glad I have the trial version, I'd never buy it, it's missing too many critical variables, mainly the difference between a pusher and a tractor are dramatic, even more so the shape and style of airframe and wing system. Regardless, according to the specs, it's supposed to fly max speed at 40 mph which is Ok, I knew it wasn't going to be a speed demon to begin with, but should be faster then the thicker airfoil foam version. Will see tomorrow, I held off on taking my birds to the field today, I'm glad I did, it's now pouring down rain.

(in reply to saucerguy)
       Post #: 159

RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 5/12/2008 5:48:36 AM   
calvino


 

Posts: 6015
Joined: 4/17/2007
From: Thousand Oaks, CA, USA
Status: offline
quote:

ORIGINAL: saucerguy

Thanks Calvino, I have no idea what I put into it time wise, I just tinkered with it off and on as I found time to do it. With the way I did it, not going for precision, just to be the first one to build a stick version, I moved pretty quickly with it. The one revision not shown is to reinforce the inner section of the aft outer tips of the wings since there isn't much area there to prevent those sections from caving in while I was covering it. The fuse revision how it's mounted is really a good way to go, it's tight enough to not slide around in flight, yet should give way during impact, of which I'm hoping I don't have to test it out full force. I opted to wrap a couple of rubber bands around the battery pack to keep it from sliding out, that's a low tech way of doing it and I'm happy with the low profile system for that element as well. It's really windy today, I might take it up anyway, I prefer less wind during maidens, will see how the day unfolds, tomorrow is supposed to be better.

ya, it is a real easy flier in FMS i really like it ALOT, plus it will cost less than a muitiplex es star... about how much (foam wise) did it cost to make it, ha, should i put on my ~220z brushless on it /landing gear

_____________________________

RC18T 6800 Sidewinder Micro 2s lipo, 1980 Goldpan (needs electronics), ST-1, Slow Stick $15 outrunner combo 3s lipo †

(in reply to saucerguy)
       Post #: 160

RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 5/12/2008 6:21:25 PM   
critterhunter



Posts: 2510
Joined: 9/24/2004
From: Brook Park, OH, USA
Status: offline 		Printed out the latest messages to read later over a smoke so no responses yet, but just wanted to say WOW! GREAT looking build Saucerguy! Can't wait to read the details...


_____________________________

If you believe in Global Warming then shut your mouth. All that hot air is warming up the planet, remember?

(in reply to calvino)
       Post #: 161

RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 5/13/2008 5:11:14 PM   
saucerguy


 

Posts: 472
Joined: 1/4/2007
From: , WA, USA
Status: offline 		Thanks Critter, now if I can just get the weather to cooperate, I'll have a maiden flight report for you guys. I forgot to mention, I ran out of large enough balsa stock for the ailerons so I sheeted the underside of some crafts board foam with 1/32 balsa, it's light which helps along keeping the weight down in that area. They are a bit oversized so should be fun to handle. Along doing this in foam, the costs are not even worth mentioning Calvino, that's what I like about working with the stuff, if the plane doesn't work out, toss the airframe and make another.

(in reply to critterhunter)
       Post #: 162

RE: Here's A Simple & FREE First Foam Build Plan! (Pa... - 5/13/2008 6:15:04 PM   
critterhunter



Posts: 2510
Joined: 9/24/2004
From: Brook Park, OH, USA
Status: offline