Wingscrew to Extra 84"  
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All Forums >> RC Airplanes >> Giant Scale Aircraft - 3D & Aerobatic >> WildHare R/C Support >> Wingscrew to Extra 84"
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Wingscrew to Extra 84" - 5/1/2008 9:47:36 AM   
danielwidman79


 

Posts: 104
Joined: 11/4/2003
From: Härnösand, SWEDEN
Status: offline 		Hello
I live in Sweden and here we have the metric system!

I hawe lost my wingscrew to the Extra 300 84"

What is the dimension?

Best Regards
       Post #: 1

RE: Wingscrew to Extra 84" - 5/1/2008 12:06:17 PM   
aaxiss



Posts: 164
Joined: 12/18/2006
From: Orange, CA, USA
Status: offline 		don't know if this helps or not but the Sukhoi uses a 1/4 20 I think . And speaking of losing wing attachment pieces I made up a couple of small tethers today that keep the clips and the wing securing wing bolts securely attached to the plane when the wings are off. have a look

when it's time to fly the bolts pop off the clips and secure the wings and the tether is the right length to just pop the clip right in the dowel



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_____________________________

Don
If there is a 40% plane out there drawing 42 amps it's because it has an on-board welder.

(in reply to danielwidman79)
       Post #: 2

RE: Wingscrew to Extra 84" - 5/1/2008 1:54:16 PM   
rctom



Posts: 5205
Joined: 5/8/2002
From: Flower Mound (near Dallas), TX, USA
Status: offline 		The old Extras use a 4mm x 20mm screw.

< Message edited by rctom -- 5/2/2008 1:59:49 AM >

(in reply to aaxiss)
       Post #: 3

RE: Wingscrew to Extra 84" - 5/1/2008 11:41:06 PM   
nedyob


 

Posts: 1231
Joined: 2/5/2002
From: NORTHWOOD, IA, USA
Status: offline 		Hi Tom,
Aaxiss has a great idea, in my V-1 Edge 540 28% are there plastic bolts I could use since mine uses the hex head screws? are they the same size as the old Extra's.
NEDYOB

(in reply to rctom)
       Post #: 4

RE: Wingscrew to Extra 84" - 5/2/2008 1:23:55 AM   
Tired Old Man


 

Posts: 11551
Joined: 2/25/2002
From: Central, CA, USA
Status: offline 		No, you have 4mm wing bolts and a hair pin cotter. V-2 uses a 1/4-20 nylon thumb screw, and hair pin cotter if desired. As far as I know they do not make 4mm nylon thumb screws. Putting the screws and pins back in the wing works pretty well for storage too...

_____________________________

If you can''''t fix it with a hammer, you have an electrical problem.

(in reply to nedyob)
       Post #: 5

RE: Wingscrew to Extra 84" - 5/2/2008 2:42:58 AM   
nedyob


 

Posts: 1231
Joined: 2/5/2002
From: NORTHWOOD, IA, USA
Status: offline 		thanks Pat, thats what I do. I thought maybe the Thumb screw would work better. I did see somewhere there was a wing bold with an aluminum round heand on it with nurreled edges. Alls you had to do was tighten it or loosenit by hand.
NEDYOB

(in reply to Tired Old Man)
       Post #: 6

RE: Wingscrew to Extra 84" - 5/2/2008 3:33:35 AM   
Tired Old Man


 

Posts: 11551
Joined: 2/25/2002
From: Central, CA, USA
Status: offline 		You just took things to a new playing field. You will need a well equipped hardware department in a Lowes or similar. Look for the 4mm machine screws with different type heads. Once you know where those are look for the drawer full of knobs that can be fit to the head types on the bolts. The better stocked hardware stores have the combinations and the price is pretty reasonable.

Comp Arf has been the primary manufacturer using this type of arrangement but I believe those are 6mm screw threads.

_____________________________

If you can''''t fix it with a hammer, you have an electrical problem.

(in reply to nedyob)
       Post #: 7

RE: Wingscrew to Extra 84" - 5/2/2008 3:59:43 AM   
aaxiss



Posts: 164
Joined: 12/18/2006
From: Orange, CA, USA
Status: offline 		I already lost one of the pins while the wing was in the bag. the ends of my wing bags that came with the plane are about 2" too short to close with the wing tips stuffed all the way in to the end and I am short on space so I end up standing the wings on the wide end up against the wall. plus with my setup the pin is always attached and the bolt goes on soon as you remove it from the wing. not necessarily better but it works for me as I tend to lose things rather quickly setting them somewhere I shouldn't .



_____________________________

Don
If there is a 40% plane out there drawing 42 amps it's because it has an on-board welder.

(in reply to Tired Old Man)
       Post #: 8

RE: Wingscrew to Extra 84" - 5/6/2008 5:51:20 AM   
nedyob


 

Posts: 1231
Joined: 2/5/2002
From: NORTHWOOD, IA, USA
Status: offline 		Hello Pat,
I bought two 1 1/4 long 4mm socket head bolts from my local hardweare store, and cut two round disc from a solid 3/4 inch platsic dowel. I then drilled a hole through the center and the with my sander sanded finger holes in the disc. I then screwedthe 4MM bolt through the center and put a dab of gorilla glue on the upper threads of the bolt to glue the disc to the top of the bolt. After drying over night. I gave it the final test and home made my own thomb screw worked great. Takes alot less time then trying to use a allen wrench or hex head screw driver to secure the wing bolt.
Think I should apply for a patten to put on it??
NEDYOB

(in reply to aaxiss)
       Post #: 9

RE: Wingscrew to Extra 84" - 5/6/2008 3:33:34 PM   
Tired Old Man


 

Posts: 11551
Joined: 2/25/2002
From: Central, CA, USA
Status: offline 		For those that have managed to lose one or two, hair pin cotters are also available at better stocked hardware stores. They are sized in fractions of an inch and the ones you want are 1/16"

_____________________________

If you can''''t fix it with a hammer, you have an electrical problem.

(in reply to nedyob)
       Post #: 10

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