Simple wing retention

Ron Van Putte vanputte at cox.net
Fri Jan 16 13:08:07 AKST 2004


On Jan 16, 2004, at 3:08 PM, Wayne Galligan wrote:

> This thread stirs me....   This is a hard one to admit but last year 
> alone I
> forgot to put the Jesus bolt in my Aries 4 times and it survived (4 
> free
> airplanes in a year has got to be a record).  Thank goodness I wasn't 
> doing
> a gazillion snaps.  My newest ship is done exactly as Eric described 
> but
> with one extra.  I put a red triangle shaped warning sticker over the
> J-bolt.  I talk to no-one while I setup my plane now.

I can relate to the 'talk to no one' procedure.  I forgot my wing 
retaining screw screw, because I'd been talking with someone while 
putting my airplane together.  I got away with it, because, after I 
took off, I remembered that I'd intended to make an adjustment to the 
45 Down 1 1/2 Snap Roll condition, so I landed and saw the missing 
screw on my transmitter case.  Lucky!

Ron Van Putte

> ----- Original Message -----
> From: "Henderson,Eric" <Eric.Henderson at gartner.com>
> To: <discussion at nsrca.org>
> Sent: Friday, January 16, 2004 10:30 AM
> Subject: RE: Simple wing retention
>
>
> I copied Chip's method of one 4-40 on the top and one on the bottom. 
> You
> leave the bottom one in all of the time. With fixed gear you almost 
> always
> put the wings on with the plane sitting on the ground. In the event of 
> an
> "inverted" wing removal you have the option to remove the lower bolt
> instead.
>
> In bigger planes, and also seen on a Pappas creation, I use 1/4 x 20 
> nylon
> screws into the wing tube.
>
> Lamar Blair and Jerry Stebbins sell a very nice nylon insert that 
> grabs the
> 4-40 very well indeed. A very neat homemade option is to use plastic 
> water
> pipe. One that has too big a diameter. What you do is cut off a 1/2" 
> wide
> piece. Then cut out enough of the "ring" so that it can be compressed 
> and
> pushed into the wing tube. A touch of CA and you have a section that 
> can be
> threaded and will "grab" your $4000 screw.
>
> Regards,
>
> Eric.
>
> -----Original Message-----
> From: discussion-request at nsrca.org
> [mailto:discussion-request at nsrca.org]On Behalf Of Dean Pappas
> Sent: Friday, January 16, 2004 10:50 AM
> To: discussion at nsrca.org
> Subject: RE: Simple wing hold down
>
>
> Yo, Anthony ...
> That idea makes so much sense, that it hurts!
> As the old addage goes, "If you can't hide it, scream it".
> Put some sort of trim around it: make it look like a gas-cap,
> after all, it's in about the right spot.
> Regards,
> Dean P.
>
>
>
> -----Original Message-----
> From: Anthony Romano [mailto:anthonyr105 at hotmail.com]
> Sent: Friday, January 16, 2004 10:28 AM
> To: discussion at nsrca.org
> Subject: Simple wing hold down
>
>
> The last four planes have all relied on the $4000 bolt. The latest has 
> a
> great innovation. The bolts are on the top of the wing. I always 
> complained
> it is aesthetically unpleasing but pretty simple. Leave the tube in one
> panel and the plane comes out of the car to have the wings installed
> immediately. Plane gets carried in one piece to pits to be fuelled. 
> One bolt
> and I am ready to go fly. If I get nervous and need to check it is 
> right
> there in plain sight. Very quick when it rains too!
>
> Anthony
>
>
>> From: Rodney Tanner <rodney19821982 at yahoo.com>
>> Reply-To: discussion at nsrca.org
>> To: discussion at nsrca.org
>> Subject: Re: Wing hold down - Failsafes
>> Date: Thu, 15 Jan 2004 17:13:54 -0800 (PST)
>>
>> I wondered when someone would mention those old friends. . . .
>> I  have used good ol hooks and rubber bands on my last three pattern 
>> planes
>> and for the Tem-Poon (Typhoon fuz, Temptation wings and stab) that 
>> will be
>> ready in a few weeks. Dennis Hunt put me onto them, with the Extra and
>> Viper projects he did. As Bill says, its simple and idiot proof (till 
>> now)
>> and does´nt create any unwanted stress points.  Some people stay away 
>> from
>> them because the rubber bands cross in front of the wing tube, where 
>> the
>> tank sits. Sooooo put them under the tank then!
>> Rodney
>> NSRCA # 2906
>>
>> Sneedb at aol.com wrote:
>> I've been using the old hooks and rubber bands method to hold the 
>> wings on
>> for years.  When I remove the bands from the hooks I immediately wrap 
>> the
>> bands around the prop and spinner and leave them there.  When you go 
>> out
>> for your next flying sesson you're not going to start the engine with
>> rubber bands wrapped around your prop and spinner.  Not fool proof but
>> pretty close    Bill
>>
>>
>>
>> ---------------------------------
>> Do you Yahoo!?
>> Yahoo! Hotjobs: Enter the "Signing Bonus" Sweepstakes
>
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