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Old 05-30-2017, 08:42 AM   #1 (permalink)
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Default Did I just kill my blades?

Hello all. Hope this is right place to post this. Did something really stupid, while working on my align 470L I twisted it and the blades hit the table They look fine except one of the blades which now has a small dent (images bellow) it can be felt when I run my finger over the blade...
The dent is only on the blade top side (if you flip the blade you would not be able to tell there is a dent on the other side at all)

Should I write these off, or can I still fly these? (really don't want to spend any cash at the moment unless I have too...)



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Old 05-30-2017, 09:21 AM   #2 (permalink)
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I would fly them.
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Old 05-30-2017, 06:06 PM   #3 (permalink)
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Thanks, any one else want to chime in? It does seem like this should not compromise the structure of the blade as it is a very minor dent.
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Old 05-30-2017, 06:18 PM   #4 (permalink)
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Fly. I have flown mismatched pre-tested (crashed) blade sets even different composition, lol. Weigh em up, balance, inspect, fly.

I remember a thread here where a member had TWO (2) sets of Align 325.mm break at the root in flight in a row.... emailed Alighn and Aligh still said it was the end users fault, yadda yadda nature of the hobby ect. even though they were new and undamaged, never crashed. Point being ... you never know what might happen unless yo try.
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Old 05-30-2017, 07:07 PM   #5 (permalink)
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they look fine, just keep en eye on them flight after flight. and maybe a quick dynamic balance would not hurt.
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Old 05-31-2017, 07:41 AM   #6 (permalink)
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I would fly them.
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Old 05-31-2017, 08:02 AM   #7 (permalink)
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There is a possibility that they start to delaminate just there. I would use a tiny bit of glue or epoxy just on the edge to make sure that does not happen. Rebalance them afterwards and fly.

The damage is way too minor to throw them away though in my opinion.
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Old 05-31-2017, 06:34 PM   #8 (permalink)
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Quote:
Originally Posted by Thoemse View Post
There is a possibility that they start to delaminate just there. I would use a tiny bit of glue or epoxy just on the edge to make sure that does not happen. Rebalance them afterwards and fly.

The damage is way too minor to throw them away though in my opinion.
Should I sand that down a bit to remove the paint, or just apply epoxy right over it?

Thanks.

Also thanks every one else. I will fly these nice and easy for couple of flights and carefully inspect them to make sure they are not getting worse.
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Old 06-01-2017, 06:49 PM   #9 (permalink)
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Quote:
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Should I sand that down a bit to remove the paint, or just apply epoxy right over it?

Thanks.

Also thanks every one else. I will fly these nice and easy for couple of flights and carefully inspect them to make sure they are not getting worse.
If you test flex the blade and nothing funny pops up repair.
If the carbon is fractured epoxy wont fix it, I use super thin ca and it wicks into the fibers , instant repair
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Old 06-02-2017, 07:19 AM   #10 (permalink)
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Quote:
Originally Posted by bad007 View Post
If you test flex the blade and nothing funny pops up repair.
If the carbon is fractured epoxy wont fix it, I use super thin ca and it wicks into the fibers , instant repair
Hmm I will try test flexing it and if nothing odd happens I will drop some CA on it. Should I sand of the paint before hand?

Thanks.
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Old 08-18-2017, 02:35 AM   #11 (permalink)
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Hard to say, we tend to run at high rpm's . Should be fine, but the possibility of delamination is possible.
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