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At what point do you make the decision to junk it??

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At what point do you make the decision to junk it??

Old 12-02-2022, 06:49 AM
  #1  
Moon Pie
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Default At what point do you make the decision to junk it??

Wondering where you draw the line.
Got into a flat spin, recovered it but I hit a tree.
This was not my favorite plane, but I built it during "COVID"
so, it has some sentimental value.
It's going to take almost as much

work to fix it or build something else. BTW, it' was an Astro Hog kit from
Dancing Wing Hobby in China. I do still have the plans.







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Old 12-02-2022, 01:41 PM
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tedsander
 
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You pretty much described the criteria -
If you aren't all that fond of it....
and it takes almost as much time to fix as to build something else....
or if the $$ invested in the fix seems a bit high...

Then junk it.

On the other hand, I've had planes that at first appeared completely beyond hope. I stuff the garbage bag of pieces and splinters under my workbench. Some long time later I pull it out, and say "Hmmm....this might all just go together again" And it does!
But it's got to be a plane I really liked flying. Only so much room available to store "so-so" ones, broken or not.
Old 12-03-2022, 08:19 AM
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For me it comes down to "Am I done playing with it yet?" Some airplanes are okay but I wont balk at harvesting their organs for the next plane. If it is an airplane that I really enjoy, it may get repaired more than once. I have a Knight Twister that is probably kind of sketchy and I cartwheeled it on the first attempt at a maiden. It's getting repaired and I will keep thrashing on it until I get a successful flight.

Last edited by mgnostic; 12-03-2022 at 08:53 AM.
Old 12-03-2022, 08:22 AM
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daveopam
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Sometimes I just put one up. I've found at a later date I get excited about working on it.

David
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Old 12-12-2022, 06:27 AM
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Moon Pie
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Default Repairs are coming along.

Decided to fix it after all. One thing leads to another, and I just started
joining part
"A" to part "B". It might fly again.
Found this piece of balsa in my stash. .66 cents, AHHH, those were the good old
days!




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Old 12-14-2022, 05:33 PM
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Oh man Moonie, good job brother! Building stuff is good for us!
Old 12-20-2022, 06:39 AM
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Moon Pie
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Default All done, ready to test fly.

After the rebuild I loaded the wing to +6g's with no failure. The covering wrinkled the same on both wing panels.
The hardest part was matching the colored "swoops" on the front. It's never going to be beautiful again, but maybe I
will get some more flights out of it. I wonder if the HUGE wheel's I had on it may have added to the fact that it wouldn't
recover from the spin? They were repurposed from a crashed "Turbo Timber" I was given.
I also replaced the three-blade prop with a two-blade prop. Those two things might have given the airframe
too much "frontal area" for the vertical fin to overcome during a spin.





Last edited by Moon Pie; 12-20-2022 at 06:41 AM. Reason: Add Original picture.
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Old 01-02-2023, 02:49 PM
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combatpigg
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Once the amount of glue holding the plane together outweighs the original model...
or
Once the plane is so fuel soaked that it starts smoking if you leave it sitting n the sun.
Nice work moon pie..!!
I have had planes that could flat spin with so much momentum that opposite rudder alone wasn't enough to cancel the spin and getting the model to get the nose pointed down in order to fly out of the spin was difficult.
When nothing else works I'd have to accept a Frisbee Style landing in the tall grass.
Make sure your rudder linkage isn't wimping out in "push mode"
Old 01-03-2023, 08:39 AM
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mgnostic
 
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Originally Posted by combatpigg
Once the amount of glue holding the plane together outweighs the original model...
or
Once the plane is so fuel soaked that it starts smoking if you leave it sitting n the sun.
That reminds me of my GP Sportster Bipe. it was my first biplane and the first not a trainer like airplane so I was pretty low on the learning curve. By the time I retired it it had gained a pound in weight.

Old 01-03-2023, 12:54 PM
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Originally Posted by mgnostic
That reminds me of my GP Sportster Bipe. it was my first biplane and the first not a trainer like airplane so I was pretty low on the learning curve. By the time I retired it it had gained a pound in weight.
It's those fuel soaked and glue soaked planes that lead the most interesting lives...!
Old 11-09-2023, 05:32 PM
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Great repair on the Astro-HOG OP !
Mgnostic, I was given a heavy SS bipe.. converted to electric, was a plane that would keep you honest ! I tried one to many touch n go's than I shouldhave ran out of battery in a low steep climbout.. it was bad.

combatpigg I never planned on going mostly electric. But once I built a 1/4 BUSA N11 as a steady no vibration camera plane I was hooked. Also the bigger low rpm motors swinging a large prop actually make a quiet but nice prop noise it doesnt sound light a super high speed electric prop. I actually love hearing the wind thru the wings wires and prop very clear on close flybys..



Old 11-10-2023, 08:50 AM
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Originally Posted by foodstick
Great repair on the Astro-HOG OP !
Mgnostic, I was given a heavy SS bipe.. converted to electric, was a plane that would keep you honest ! I tried one to many touch n go's than I shouldhave ran out of battery in a low steep climbout.. it was bad.

combatpigg I never planned on going mostly electric. But once I built a 1/4 BUSA N11 as a steady no vibration camera plane I was hooked. Also the bigger low rpm motors swinging a large prop actually make a quiet but nice prop noise it doesnt sound light a super high speed electric prop. I actually love hearing the wind thru the wings wires and prop very clear on close flybys..
Sportster Bipes seem to encourage risk taking. I killed mine seeing how slowly I could fly and still pull off a roll. I have thought about building another one but I have a recently finished Aeromaster that scratches the same itch. I've said this in other conversations but it still surprises me how much lumber there is in some of the designs from the 60's
Old 11-10-2023, 08:42 PM
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Wow do I agree....... the Sportster bipe I converted went on a big diet. I could not believe all the excess wood in some areas.

Felt dumb losing that one, it flew SWEET.. and at that time was a seldom seen plane anymore.
Old 11-11-2023, 05:12 PM
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Default At what point do you make the decision to junk it??

When the crash leaves it in more pieces than the kit from which it came, , it's over, , , , pull the reusable hardware and to the fire pit the rest of it goes......

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