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Old Dec 05, 2012, 08:50 PM
I make crashing look easy..
Canada, ON, Hamilton
Joined Nov 2012
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ditto !

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Originally Posted by v8truckin View Post
Welcome! Best photo I could find of a head on view, but also a great pic all in all.
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Old Dec 05, 2012, 08:53 PM
I make crashing look easy..
Canada, ON, Hamilton
Joined Nov 2012
14 Posts
Aaron, neat idea. What size magnet and approx position on the door? Middle or outer edge ? thx

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I put small magnets on the leading edge of the inner gear doors as suggested by an earlier post and it works great to keep the doors closed better.

Aaron
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Old Dec 05, 2012, 08:55 PM
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Maple Valley, WA
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Love that head on photo v8!
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Old Dec 05, 2012, 09:00 PM
flying is everything
jdm2ner's Avatar
United States, FL, Hollywood
Joined Oct 2010
272 Posts
Quote:
Originally Posted by joerayy View Post
Aaron, neat idea. What size magnet and approx position on the door? Middle or outer edge ? thx
this is where i put mine at
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Old Dec 05, 2012, 09:09 PM
Should've, Would've, Could've
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United States, CA
Joined Dec 2010
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JD,

Thanks for the pic. Exactly where im going to add mine. You never had a problem with them opening with magnets using the stock servos?
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Old Dec 05, 2012, 09:11 PM
flying is everything
jdm2ner's Avatar
United States, FL, Hollywood
Joined Oct 2010
272 Posts
Quote:
Originally Posted by v8truckin View Post
JD,

Thanks for the pic. Exactly where im going to add mine. You never had a problem with them opening with magnets using the stock servos?
no never did they opend just fine
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Old Dec 05, 2012, 10:10 PM
I make crashing look easy..
Canada, ON, Hamilton
Joined Nov 2012
14 Posts
Thx for the pic, JD.. I'll be placing mine in the same spot.

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this is where i put mine at
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Old Dec 05, 2012, 10:24 PM
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Aaron Wallace's Avatar
San Diego
Joined Oct 2006
570 Posts
That is exactly where I put mine. Servos have no problem with them. OK... I stripped a grub screw (Allen set screw) that secures the pin that goes into the retract. How do I get that out without damaging things?

Thanks,

Aaron
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Old Dec 06, 2012, 02:00 PM
Doctorfoamy on Youtube
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United States, TX, Denton
Joined Sep 2011
176 Posts
Prop failure....???

The following video shows what I think was an inflight prop failure, or possibly a hub or firewall failure. This is a V1 plane with V2 upgrades (wing spars, struts, e-retracts).

What I initially thought was sound coming from the main gear door (which failed to retract due to a stripped servo) ended up being a serious vibration that caused a catastrophic prop/hub/firewall failure in flight at full power. You can hear the entire prop assembly self destruct just before my second pass.

If I could find the prop blades, I might be able to tell if it was the firewall letting go as the blades would be damaged from being pivoted into the plastic cowl. Otherwise, it looks as if I either had a blade break or come loose, or my hub was cracked and came apart during flight.

As a note, I had just finished a very successful flight with this plane about 30 minutes before and greased the landing. Nothing appeared to be broken during that flight, but I do remember hearing the vibration starting to make noise.

I have parts coming via BH and RC-Castle - Hong Kong express shipping. I just hope that the motor did not somehow play a role as I am not replacing it at this time.

Any arm-chair quarterbacks out there want to give this one a guess.....???

(be sure to click on the video "gear" symbol and change the resolution to 720p..)

Prop Failure in Flight - FMS 1700mm P-51 Mustang.mp4 (3 min 15 sec)
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Old Dec 06, 2012, 02:40 PM
Should've, Would've, Could've
v8truckin's Avatar
United States, CA
Joined Dec 2010
6,764 Posts
Could it have been that your prop assembly was out of balance. I notice vibration on mine if it's out of balance and sounds differently. I land and balance it out and its whisk smooth again.

Sorry about that, but at least she's looking pretty good. You pulled that save off really well some ppl would've panic and bit the dust.
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Old Dec 06, 2012, 03:05 PM
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godofthunder77's Avatar
Vermilion, OH
Joined Aug 2010
887 Posts
Quote:
Originally Posted by jlkitz View Post
The following video shows what I think was an inflight prop failure, or possibly a hub or firewall failure. This is a V1 plane with V2 upgrades (wing spars, struts, e-retracts).

What I initially thought was sound coming from the main gear door (which failed to retract due to a stripped servo) ended up being a serious vibration that caused a catastrophic prop/hub/firewall failure in flight at full power. You can hear the entire prop assembly self destruct just before my second pass.

If I could find the prop blades, I might be able to tell if it was the firewall letting go as the blades would be damaged from being pivoted into the plastic cowl. Otherwise, it looks as if I either had a blade break or come loose, or my hub was cracked and came apart during flight.

As a note, I had just finished a very successful flight with this plane about 30 minutes before and greased the landing. Nothing appeared to be broken during that flight, but I do remember hearing the vibration starting to make noise.

I have parts coming via BH and RC-Castle - Hong Kong express shipping. I just hope that the motor did not somehow play a role as I am not replacing it at this time.

Any arm-chair quarterbacks out there want to give this one a guess.....???

(be sure to click on the video "gear" symbol and change the resolution to 720p..)

http://youtu.be/AnhpSMwvFWE
I would have to agree with V8. I had to balance mine with clay on the inside of the prop hub. It runs a lot better and very little vibration. Before there was a substantial amount of vibration.
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Old Dec 06, 2012, 03:48 PM
Your Pilot Ryan
ryramZ's Avatar
United States, IN, South Bend
Joined Nov 2008
3,385 Posts
P-51B model give away. just like their page on facebook.
http://www.facebook.com/FMSmodel
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Old Dec 06, 2012, 03:49 PM
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Aaron Wallace's Avatar
San Diego
Joined Oct 2006
570 Posts
I hope that it was just the prop out of balance because that is an easy fix. Did the firewall have sufficient adhesive with the fuselage? One of my landing gear mounting wells was not even glued in at all! Good save!

Aaron
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Old Dec 06, 2012, 04:35 PM
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United States, VA, Richmond
Joined Aug 2012
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What about the people that already liked their page?
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Old Dec 06, 2012, 05:28 PM
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Maple Valley, WA
Joined Apr 2006
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How exactly are you guys balancing these props? Good save, btw!
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