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I'm really wondering if there shouldn't be another set of screws holding the front part of the wings down? There seems to be a lot of stress on the small top part of the fuse where the tube slides in....? I was thinking that another possibility of the failure is when I attempted the take-off in a 5mph breeze and the wing dug into the water. Maybe this caused some stress on the alum. tube?? I may add some floats for the wing tips as you suggested. It is frustrating that it needs to be a dead calm day to fly off the water..... |
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Uhh, Whatever....
Just a thought, I have a fair amount of experiance machining aluminum. A lot of solid rod comes as 6061 T6, which is fine for making machined parts, but isn't really ment to resist bending like some tube stock. Before you invest time and $$ chasing solid aluminum, you might try flexing some of your remaining tube, and then the stuff you have seen at home depot. I have even found some solid rod that was dead soft, and ment to be bent into shapes, obviously this won't do you much good. I still think going to a carbon rod is the best solution, they are so much stiffer and stronger than aluminum. Depending on the size, there are even some square carbon rods available. Can you get a precise measure of the old rod? And it's length? |
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I'm still trying to buy one of these from ndf or whoever they are... quicker to have a tooth pulled lol OT... your avatar... per chance Dog off footrot flats? |
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Hope your new tube works.
This is what come in my kit. OD 11.5 mm, ID 6.5 mm. Is this the same as yours? I got servos and started to build mine. Satoru |
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ssatoru, does the square aluminum tube in the wing come unglued? or is it just extra long?
Baddb1, glad to hear you found something. That new tube looks loads stronger, you might also round the top edge of the square tube where it pushes down against the round tube, this will help spread the load some and prevent crushing, although it dosn't look like a problem anymore. |
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baddb1, it seems manufacture is learning.. Let's see this tube works ok.
lupy. I am not sure the square tube was glued at all. The round tube is a tight fit and one of square wants to come out. I will glue it. Square tube is in the fuse (where serve extension comes out) and vertical fin as well. I found a transparent formed sheet in parts bag with motor mount. It fits here. I guess the manufacture is trying to protect water to come in. Satoru |
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has anyone tried the 1m version of this aircraft??
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Hi Satoru San , Could you PM me a foto of where to put the battery ? I am using a 4c 14.8V bulky battery , the main compartment is filled with wire rods from landing gear from front & back wheels , can't get it to fit nicely . also seems to be nose heavy . so i now put it in the aft compartment standing up . Try maiden in 20km wind yesterday head on , did not take off . Wing tip hit water like Baddb1 said .
Thanks Ken |
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I have one of the 70" Icon A-5 models headed this way...I had a one time opportunity to add it to another container shipment headed to the US and my delivered cost will be $114 for the 70" kit with retracts. A couple of freinds and I were able to get this deal, but that ship has sailed....
I love the look of scale seaplanes with sponsons, but they typically do not scale very well for R/C models (small scale sponsons displace very little water.). I think the previous poster that mentioned it needing some tip floats for certain circumstances is likely right. Will certainly double check the spar situation and make sure it is not a thin aluminum type. |
Last edited by Thomas B; Nov 07, 2010 at 08:10 PM.
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In the case of the Icon, it is probably more likely some artifact of the airflow around the fuse at certain airspeeds mixing with the airflow from the pusher prop. |
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Last edited by Thomas B; Nov 07, 2010 at 08:09 PM.
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