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AVistar/Trainer & steel leading edge rod

Old 02-04-2003, 04:44 PM
  #26  
Whirley Bird
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Default AVistar/Trainer & steel leading edge rod

Originally posted by wornboots
Whirly bird

Ok I admit I am a little slow sometimes"

I your post you did all you could to bend the STEEL ROD?

But Your concern is saving weight?

Then the wood joiner in the kits? ARF is a kit? RTF has steel rod?

Now if this is not what You are getting at let Me know what I am not understanding.
Thank's Dan Z
Dan,Your not slow,
The thread started with glue the wing halves vs not to glue.
Then someone said that the wing with the steel rod does not need to be glued.
Then some one said that steel rod saved their wing so I started testing that rod.
So the thread now stands as
THE STEEL ROD VS THE WOODEN JOINER AND IF THE WOOD JOINER CAN BE USED THEN I CAN LOSE CLOSE TO A POUND.
As for that rod bending before the wing is totally destroyed
I just have to keep my opinion to myself based on what I found.
No flying today.
Have 55* but rain
Old 02-04-2003, 06:51 PM
  #27  
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Default AVistar/Trainer & steel leading edge rod

OK, Thank's

How about getting a 1/4" carbon fiber tube from LHS or use a 1/4" fiberglass rod,Harder to find but some tents had them that size. The wood dowel might work, but the grain has a strength issue. If You glue the halves together, it adds to the strength.

Either way it would save weight.
Old 02-04-2003, 11:17 PM
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Default AVistar/Trainer & steel leading edge rod

Hey guys my Avistar has a wood joiner. My first one broke in a high speed dive the wings clapped all the way in. Another guy at the field had his break also in a high speed dive they are made out of low grade ply and are very weak to start with. My newest also had the wood but I threw what came with the plane away and used some better quality ply to build new ones and remove the dihedral.
My friend sent his whole plane back to hobico after his broke while trainning his son and they replaced it because the joiner was made out of crappy ply.
If you have the steel rod use it, it is stronger than the plywood joiner. At least I havn't seen one of them fold up in flight yet.
Later Jim
Old 02-05-2003, 12:39 AM
  #29  
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Default AVistar/Trainer & steel leading edge rod

Originally posted by wornboots
OK, Thank's

How about getting a 1/4" carbon fiber tube from LHS or use a 1/4" fiberglass rod,Harder to find but some tents had them that size. The wood dowel might work, but the grain has a strength issue. If You glue the halves together, it adds to the strength.

Either way it would save weight.
Hi WornBoots,
Good thing I thought of that
I have about 5 4 foor long fiberglass rods from a scrapped antenna I was building.
What king of glue do you suggest?
When working with wood I usually mix 70% Elmers and 30% water and apply it several times and the wood soaks it up.
The last application is straight Elmers and that sort of bonds to the wood thats saturated with the thinned out applications.
I'm open for suggestions
Old 02-05-2003, 12:57 AM
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Default AVistar/Trainer & steel leading edge rod

Originally posted by JIMESTES
Hey guys my Avistar has a wood joiner. My first one broke in a high speed dive the wings clapped all the way in. Another guy at the field had his break also in a high speed dive they are made out of low grade ply and are very weak to start with. My newest also had the wood but I threw what came with the plane away and used some better quality ply to build new ones and remove the dihedral.
My friend sent his whole plane back to hobico after his broke while trainning his son and they replaced it because the joiner was made out of crappy ply.
If you have the steel rod use it, it is stronger than the plywood joiner. At least I havn't seen one of them fold up in flight yet.
Later Jim
.
Hi Jim,
Leaving your full post intact because of the info.
Sure nice to read the real nitty gritty.
Still trying to figure out why some still have the wood.
As far as that person sending it back I had more problems with TH then a Guy walking into a lions cage wearing a 3 piece suit made of raw meat.
I just put one plane together and they considered it used and would not take it back.
I also lost the charging adapter with the wires due to poor packing and they never sent me one,
Then my tote box was nothing but a kit of warped wood.
Took me hours to soak and weigh the boards down so I could do something with it.
All I received from that was what the Girl called an inconvenience fee.
I applied that to the BIG trainer plus I had a $20.00 coupon.
Seems like i;m being the TH scape goat.
Thanks for that nice post
I;m going with the fiberglass rod I have here
Old 02-05-2003, 01:35 AM
  #31  
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Default AVistar/Trainer & steel leading edge rod

Whirley Bird
Glue suggestions, 30 min. epoxy, I have never used Elmers with F/G (I don't if that would work), and roughen the rod with 180/220 grit slightly.
Dan Z
Old 02-05-2003, 02:39 AM
  #32  
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Default AVistar/Trainer & steel leading edge rod

Whirley Bird, Like Dan, I would suggest epoxy, 30 minute at least to give you some working time. You not only need to glue the rod in place but also get some glue between the wing halves where they mate up. If using a hollow rod close the ends up with small balsa dowel or something to keep the epoxy out, it won't add any strength.
Ed M.
Old 02-05-2003, 02:49 AM
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Default AVistar/Trainer & steel leading edge rod

HMMMMMMMM Bentgear

I am glad you said that, SOLID fiberglass rod is what i should have said. If he has an antenna it should be solid?

But I agree, glue the two like a normal wing no just the rod.
Dan Z
Old 02-05-2003, 03:18 AM
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Default AVistar/Trainer & steel leading edge rod

Originally posted by wornboots
Whirley Bird
Glue suggestions, 30 min. epoxy, I have never used Elmers with F/G (I don't if that would work), and roughen the rod with 180/220 grit slightly.
Dan Z
.
Thanks wornboots
used DEVCON Liquid Epoxy and the rod is a nice snug fit in the holes
Old 02-05-2003, 03:26 AM
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Default AVistar/Trainer & steel leading edge rod

Originally posted by bentgear
Whirley Bird, Like Dan, I would suggest epoxy, 30 minute at least to give you some working time. You not only need to glue the rod in place but also get some glue between the wing halves where they mate up. If using a hollow rod close the ends up with small balsa dowel or something to keep the epoxy out, it won't add any strength.
Ed M.
Yes,
I used a fiberglass rod and I used DEVCON epoxy.
The rod was a nice snug fir and I did sand off the root ends where they but together.
This epoxy is used on a commercial ham band antenna and holds up to weather and strong bends so it should fill the bill for the wing.
Thanks for the post
PS: the rods are solid
Old 02-05-2003, 03:46 AM
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Default AVistar/Trainer & steel leading edge rod

Let us know how it turns out, flies and last..............ed m.
Old 02-05-2003, 05:15 AM
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Default AVistar/Trainer & steel leading edge rod

Originally posted by bentgear
Let us know how it turns out, flies and last..............ed m.
.OK ed will do.
I have it drying and will be busy for the rest of the week so i'm just letting the wing sit.
So far the weekend looks god for flying so i'll keep ya posted
Old 02-05-2003, 05:21 AM
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Default AVistar/Trainer & steel leading edge rod

Originally posted by wornboots

But I agree, glue the two like a normal wing no just the rod.
Dan Z
Hi Dan,
I did.
The fiberglass rod was a nice snug fit and yes I did rough it up with sand paper.
I also sanded down the area where the wings butt together.
I also took out some DIHEDRAL.
From the way I measured the root ends I should end up with just enough dihedral to be noticed.
Maybe a total of 1/2 inch
Old 02-05-2003, 05:39 AM
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Default AVistar/Trainer & steel leading edge rod

OK sound good, This is the Avistar two peice wing? just double checking.

Did You use the plastic tape around the joint or F/G it?

Did You glue the floating side of the servo mount?

Just an after thought(s)
Have a good week and Happy Flyin
Old 02-05-2003, 07:45 PM
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Default AVistar/Trainer & steel leading edge rod

To clear up some ideas. The Hobbico SuperStar Select series aircraft use the steel rod wing joiner because you can put the wing pieces together in a minute or so: slide rod in one wing, slide rib that holds the aileron servo, slide other wing on rod, secure with strap. A small steel dowel helps alignment at the trailing edge.

The other ARF's use a laminated plywood wing joiner. There is no wooden dowel. If the joiner is well-glued into the pockets, and the wing halves are joined together with no gaps and sufficient adhesive, the wing will handle all of the normal flight loads. We can't guarantee about impact loads.

The only reason the rod was used in the ready-to-fly type models is speed. The model "bolts" together, and no adhesive is needed. I'ts a very quick, strong way to put them together.

Currently, the only models that use the steel rod are the "Select" versions, which come with engine and radio equipment already installed. You just bolt the model together, charge the batteries, fuel up, and fly. If you use a quick charger, you could theoretically be in the air within an hour or two of opening the box!
Old 02-05-2003, 08:42 PM
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Default AVistar/Trainer & steel leading edge rod

Originally posted by Bax
Any information is always appreciated.
Thank you.
PS: I sent you an E mail to the address you provided
Old 02-05-2003, 10:06 PM
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Default AVistar/Trainer & steel leading edge rod

Originally posted by Whirley Bird

Hey Worn Boots,
That fiberglass rod worked out real nice.
I received the big trainer today and the covering was BEAUTIFUL.
WOW!!.
You had to scan for a tiny ripple that didn't take hold on the balsa.
The wing size is the same as the Super select 40 but the fuse is smaller both in width and in height.
I'm making the final adjustments on the control throws now
Old 02-05-2003, 10:12 PM
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Default AVistar/Trainer & steel leading edge rod

Originally posted by wornboots
OK sound good, This is the Avistar two peice wing? just double checking.



Did You glue the floating side of the servo mount?

I sure did after I had that one servo tray come loose
The new bird look sleek
Old 02-06-2003, 01:08 AM
  #44  
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Default AVistar/Trainer & steel leading edge rod

Post some pics if possible, And let us know how it works out'
Danz
Old 02-06-2003, 01:40 AM
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Default AVistar/Trainer & steel leading edge rod

Originally posted by wornboots
Post some pics if possible, And let us know how it works out'
Danz
Dan,
It's kind of hard to post the picture now because both halves of the wing are glued together.
But that fiberglass rod was a snug fit and I used DEVCON liquid epoxy.
I should be flying it this weekend but i'm not going to dive it at full throttle but i'll put it through it's paces.
I'll let you know
Old 02-06-2003, 05:07 AM
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Default AVistar/Trainer & steel leading edge rod

Whirley Bird
"I sure did after I had that one servo tray come loose
The new bird look sleek"

Post some pics of the sleek new bird' thats what I was getting at
Dan Z
Old 02-06-2003, 05:05 PM
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Default AVistar/Trainer & steel leading edge rod

Originally posted by wornboots
Whirley Bird
""

Post some pics of the sleek new bird' thats what I was getting at
Dan Z
.
OK Later tonight.
No big deal though.
It's the trainer with the 46 LA engine but who ever did the covering knew what they were doing.
It's GREAT!!!
Old 02-09-2003, 01:11 AM
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Default AVistar/Trainer & steel leading edge rod

Originally posted by Whirley Bird
.
OK Later tonight.
No big deal though.
It's the trainer with the 46 LA engine but who ever did the covering knew what they were doing.
It's GREAT!!!
I had this booked so maybe tonight appx 11 PM and you'll see it tomorrow.
The tote box is all finished and looks great but i'm still going for the SIG BOSS

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