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Thread OP
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57sailplane - reading through the Speedo thread you find most people prefer to temporarily tape the wings together. There are reports of people glueing them together but when you crash, something has to give and in this case it will be the wing bolts ripping through the wing. This will damage the wing roots and require surgery or a replacement wing. Of course you could swap over the wing bolts to nylon ones so they break instead of the wing itself.
If the wings are joined with sticky tape, they split easily and the worst thing that happens is a break in the carbon joiner. I was a bit skeptical about using tape too but now having flown the Speedo many times with this method I can tell you it works very well. Another advantage of using tape is that it allows you to break down the wing for easier transporting. |
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As lloydh says... the taping method is brilliant.
I have had a few arrivals and no problems of the wings coming apart. A mate lost sight of his Speedo at a good height.. found it embedded up to the canopy in the ground.. and the wings stayed taped together. Rather impressive for a flimsy bit of clear tape... not even packing tape.. just normal everyday clear tape. |
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I've had a similar experience. I lost it in the sun and augered it in from about 150 feet, sticking the nose about 7 inches into hard rocky soil. The tape split, and the wings were only slightly damaged. The carbon joiner did break, but that was an easy fix, too. I've flown the thing for almost 4 years since then.
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Quote:
I think any old plastic tape without fiber reinforcement that is similar to the one in that link would be perfectly adequate. |
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Thread OP
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sticky tape, clear tape, adhesive tape, scotch tape, office tape... im not sure what the generic term is.
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This is a great manual, I found it on the other thread, and have just completed building mine from the instructions. It is the first time I've built an RC plane.
One suggestion on the instructions... the first thing I did (first thing listed) was install the elevator. I think that should be moved down the list. It took some juggling and experimentation to get all the radio gear crammed into the fuselage, all the time the newly glued in elevator was in the way and I kept bumping it on things. Minor point but if I build another one I am getting everything sorted in the fuselage before I glue anything fragile to it. I used a 500mah lipo and a ubec. Receiver right at the front, then battery, elevator servo right in the back of the canopy opening, ubec behind that. Everything is forward of the wing. I worked out about 40g lead needed at the nose to balance it. The whole space under the wing is free to add more weight over the CoG if it needs it. My kit also came with a bungee hook which I have installed at a point 30° forward from the CoG, could maybe add that into the instructions as well as I had to dig around to find that info. Thanks Lloyd for putting this together and everyone else for the wealth of knowledge in the other big thread, took me a few nights to read it all! |
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Also, those carbon wing bolt spacer things... mine were way too long. They need to be sanded down to the thickness (or very slightly less) of the wing section that they are going thru. This holds the wing securely. Too long and the wing will just wobble around on the carbon posts no matter how tight you do the bolts up.
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Thread OP
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Cheers, some more good points to add to the manual. You're right about the horizontal stab going on a bit later.
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I thought the manual was great, this was my first build of one of these. the one thing that threw me off was the sanding of the elevator servo plywood to 26mm. i test fit it first and it fit but was way tight. so i sanded to 26mm then it was way to small, i added ply to the underside. then screwed the servo on upside down instead of right side up and sanded ply so the servo arm fit and the servo fit under the canopy. plywood came out around 28mm.
the servo tray was a bit confusing for me as this was the first time i built one of these, everything else was a snap.. just letting you know.. later Andrew K. |
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Thread OP
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Andrew, I might have written down the wrong measurement so i'll double check it tonight. The width might vary depending on what height the tray is put into the fuselage but I will re-word that section anyway. A picture would certainly make this much clearer.
Thanks for all the input so far everyone. The manual is steadily improving. |
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ya,
i realy dont think a measurment is needed. the fit then refit is what i would sugest. definatly a picture with servo would help. it took me a little wile to figure this out.. all in all the instructions were most helpful. i put this model togather in like 5 hours and i am usally pretty slow. it would have taken way longer as i would have had to think every little thing through without the instructions. thanks. |
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