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Sig Spacewalker II 1/4 scale

Old 05-20-2013, 02:59 AM
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Default RE: Sig Spacewalker II 1/4 scale

Thanks. That's a great tip !
Old 05-20-2013, 03:05 AM
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Default RE: Sig Spacewalker II 1/4 scale

This thread must be bringing back build memories for you Tom, since you have built both the1/4 and the 1/3 scale Spacewalkers. Hope mine turns out as nice as yours!
Old 05-20-2013, 03:10 AM
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Default RE: Sig Spacewalker II 1/4 scale


ORIGINAL: VincentJ

This thread must be bringing back build memories for you Tom, since you have built both the 1/4 and the 1/3 scale Spacewalkers. Hope mine turns out as nice as yours!

I'm watching with fond memories. Those two Spacewalkers were some of my favorite builds. They contain the right combination of, ease of build, to thought provoking challenge.
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Old 05-20-2013, 06:19 AM
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Default RE: Sig Spacewalker II 1/4 scale

Has anyone hear tried Super 'Phatic! by Deluxe Materials? Its a Yellow glue that applies similar to CA, I was thinking of trying some to see how it works. Horizon carries it so I can get thru my LHS.
Old 05-20-2013, 09:57 AM
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Default RE: Sig Spacewalker II 1/4 scale


ORIGINAL: VincentJ

LOL, Mike no secret. Before I install each rib I put some glue (Titebond) on the end grain of the rib that would go on the spar I let it sit for 30 seconds letting the glue get wicked into the wood then add a bit more if need be. I then place the rib into position and clean off the excess with a small flat bladed screwdriver. The excess glue dosen't really add any strength and saves weight in the long run...
I buy the big bottle of Titebond from the hardware store then use a smaller bottle from Hobby Lobby to apply it. Makes much much less mess.


Carl
Old 05-20-2013, 12:26 PM
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Default RE: Sig Spacewalker II 1/4 scale

When I was doing this 35 years ago, I had a medicine syringe.  It delivered a nice tiny bead in hard to reach places.
Old 05-20-2013, 02:24 PM
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Default RE: Sig Spacewalker II 1/4 scale

OK David, that's what they all say about the "medical syringe" they had laying around. What did you really use it for? LOL
Old 05-20-2013, 03:31 PM
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No, no, no.  Not "Medical", it's a "Medicine" as in for dispensing cough syrup in the correct dosage.   I have use the insulin syringe though, I used them on my dog who is a diabetic and blind as well.  Nope!  Homey don't use that stuff!!!  <div>
</div><div>They do make the glue application syringes now, with a curved tip.  I'm surprised some of you don't know about them!  Hmmm....</div>
Old 05-21-2013, 02:39 AM
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Default RE: Sig Spacewalker II 1/4 scale


ORIGINAL: FlyerInOKC

Has anyone hear tried Super 'Phatic! by Deluxe Materials? Its a Yellow glue that applies similar to CA, I was thinking of trying some to see how it works. Horizon carries it so I can get thru my LHS.

I used it to join balsa sheets together when making wings skins. It does the job, but don't expect it to be a water based CA. It's thin, but it still takes a half hour to set up.
Old 05-21-2013, 05:36 AM
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Default RE: Sig Spacewalker II 1/4 scale


ORIGINAL: TomCrump

I used it to join balsa sheets together when making wings skins. It does the job, but don't expect it to be a water based CA. It's thin, but it still takes a half hour to set up.
Thans Tom, I was thinking on trying it for hard to reach areas I want the strength of PVA.
Old 05-22-2013, 03:27 PM
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Default RE: Sig Spacewalker II 1/4 scale



I had to fill in the small gaps on the tops of the W-2 and W-3 wing ribs left above the spar. These gaps were filled in with 3/32" balsa scrap pieces. They eventually get covered over when you apply the rib cap strips. I also started to sheet the top of the wing's leading edge with 3/32" balsa. I did have to dampen the sheet a bit with water for thebalsa to make the bend over the leading edge cap strip. Everything is clamped and drying now. I will take some photos of the results later for you to see.</p>
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Old 05-22-2013, 04:23 PM
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Default RE: Sig Spacewalker II 1/4 scale

I use the little plastic syringes all the time.. I bought a box of 50 from the drug store .. They are quite cheap when purchased like that.. Less than 50 cents each . I use them to dispense epoxy into hard to get at spots as well as hinge holes etc . When using the syringe for epoxy I try to line up several jobs so as not to waste the syringe on just one job...Wood glue you can keep refilling them over and over.. I have one for each type of wood glue.. They are great.. Keeps the weight of my build down a bit
Old 05-22-2013, 04:28 PM
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Default RE: Sig Spacewalker II 1/4 scale

I use the syringes as well. Coffee stirrers work well for extensions and a little heat they will bend and stretch. My local Publix gives the syringes to me. But I still reuse them. The epoxy flakes right off and wood glue rinses out well with water.
Old 05-23-2013, 02:35 AM
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Default RE: Sig Spacewalker II 1/4 scale

Great tips Robert and Ken!
Old 05-23-2013, 03:13 AM
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Default RE: Sig Spacewalker II 1/4 scale

Your wing looks great, Vincent !

I used the same trick on my Brougham, filling the gap at the spar with scrap.
Old 05-23-2013, 04:27 PM
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Default RE: Sig Spacewalker II 1/4 scale

Training after school has once again started and the schedule is very demanding. I will try my best tocontinue working on this project even if it's at a snail's pace...

I unclamped the wing this morning and when I arrived home I had just enough time to glue the top aileron sheeting down. You can see how it turned out, should look pretty good when it gets block sanded.

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Old 05-23-2013, 04:48 PM
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Default RE: Sig Spacewalker II 1/4 scale

I hope your students do well in the competition.

The wing is looking really good. Makes we want to tear into my 1/3 kit.
Later!!
Anthony
Old 05-23-2013, 04:52 PM
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Default RE: Sig Spacewalker II 1/4 scale

Hey VJ,
Question for you, how are you going to cover this one? Solartex or fabric? You need to cross over to the dark side and try fabric on one of these builds You don't seem to be afraid of extra effort and I am sure you will love the results. This one would make a good test bed for your Bravo.
Later!!
Anthony
Old 05-23-2013, 04:53 PM
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Default RE: Sig Spacewalker II 1/4 scale

+1 on the fabric.
Old 05-23-2013, 05:08 PM
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Default RE: Sig Spacewalker II 1/4 scale

Oh!  That's low!  
Old 05-23-2013, 05:15 PM
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Default RE: Sig Spacewalker II 1/4 scale

You're right David, a good fabric finish is lower in weight than Solartex.
Old 05-24-2013, 01:44 AM
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Default RE: Sig Spacewalker II 1/4 scale

I'm a Solartex guy, myself.

Whatever you decide to use, Vincent, I'm sure that it will look great.
Old 05-24-2013, 02:52 AM
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Default RE: Sig Spacewalker II 1/4 scale

<span style="font-size: larger">Oh the pressure...LOL

Anthony, don't know what I'll cover this one with as of yet. You're right, I'm not afraid of the extra effort. Seeing the end result of the models that both you andRoberts is a convincing argument. Having never done a fabric covering job before if may be a good learning experience for me. I know that Solartex isn't your favorite covering , but I have had great results with it and I am perplexed as to why your covering (using Solartex) needed constant maintenance and mine hasn't. I'm wondering if the use of the epoxy paint has anything to do with it? The covering on my Cub hasn't loosened up one bit!

Thanks for the vote of confidence Tom...</span>
Old 05-24-2013, 02:58 AM
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Default RE: Sig Spacewalker II 1/4 scale

I don't understand the problems with Solartex, either. I've covered several models with it, and painted them. I haven't experienced problems at all.

Anthony and Robert's models look great, however, and are convincing arguments to investigate that option.
Old 05-24-2013, 01:06 PM
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Default RE: Sig Spacewalker II 1/4 scale

VJ and Tom,
I think my issue with Solartex may have been(most likely) operator error. I think I applied too much heat during the shrinking of the fabric and it has lost it's ability to stay tight during temp and humidity changes. After spending $150+ covering my 1/3 Cub and having the issues it is just something I don't want to risk repeating when I have an alternate method that achieves good results for myself.

I do also believe a real fabric finish is stronger than Solartex but I don't think that should be the deciding factor as the only way you will see the results is in a crash and the outcome from either one is going to be bad

Either way you go VJ I am sure it will turn out great.
Later!!
Anthony

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