RE: Hate it when the expiration date matches the maiden..  
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RE: Hate it when the expiration date matches the maiden.. - 10/18/2006 3:51:31 PM   
BANJOAIRPLANE


 

Posts: 288
Joined: 5/14/2005
From: BURLINGTON, NC, USA
Status: offline 		Stang,it sounds like you may have had some weak bands.I had one try to do the same thing.It was a handful to fly,pitching everytime the wing would lift from the fuse making trimming impossible.After adding more new bands the problem went away.I was fortunate to discover the problem before putting it in as what happened here.Tough break man.

(in reply to daveopam)
       Post #: 26

RE: Hate it when the expiration date matches the maiden.. - 10/18/2006 8:53:48 PM   
troposcuba



Posts: 358
Joined: 10/18/2006
From: raeford, NC, USA
Status: offline 		hi guys, newbie here. i am the guy that Mr67 is talking about. yeah, i know in hindsight i should have glued the wing together. for what it is worth, i flew gliders and slope glieders for years in california. built several planes from kits as well. so i am not totally inexperienced. just never flew powered flight before. I have to admit that i did question it when i was putting the wing together, but after reading the instructions again and noticing that it was quite a tight fit putting the tube into the wing joint figured that they must know what they are doing with a plane as common as this one. anyway, it is in the mail as we speak. i will letcha know what they tell me when i hear from h9.

also, no worries about me being bummed and giving up. i have crashed plenty planes before this one and am sure there will be more in the future. but thanks for all the positive support.

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at 'em boys, give 'er the gun!

(in reply to daveopam)
       Post #: 27

RE: Hate it when the expiration date matches the maiden.. - 10/18/2006 10:47:52 PM   
Arrow IV


 

Posts: 313
Joined: 6/10/2006
From: Naples , FL, USA
Status: offline 		Troposcuba,
That a boy!!! Keep er going!!!

Don't sweat the details on the wing thing, if you can't trust the designer who can ya? I mean my personal default is to the designer. It would only make sence that the designers know what they are doing... Wait a minute... Scratch that last statement...

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Rubber Side Down Boys!!!

(in reply to troposcuba)
       Post #: 28

RE: Hate it when the expiration date matches the maiden.. - 10/18/2006 11:01:06 PM   
maineac58


 

Posts: 32
Joined: 11/7/2004
From: Union, ME, USA
Status: offline 		Just my opinion, but I would also be a bit leery of the Tower trainer. At our field we have had a couple of the
wings come apart on the Tower Trainer ARF. Looks like a weak spot in that one too. Not to down Tower, just
a personal observation.

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Kit Building is good for tension...if you don't have any....YOU WILL!!!

(in reply to Arrow IV)
       Post #: 29

RE: Hate it when the expiration date matches the maiden.. - 10/19/2006 4:32:34 AM   
troposcuba



Posts: 358
Joined: 10/18/2006
From: raeford, NC, USA
Status: offline 		hey fellas, just to clarify, there were at least 10 brand new rubberbands on this wing too. seriously doubt that was the prob.

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at 'em boys, give 'er the gun!

(in reply to maineac58)
       Post #: 30

RE: Hate it when the expiration date matches the maiden.. - 10/19/2006 5:11:53 AM   
Mr67Stang



Posts: 2339
Joined: 4/26/2006
From: Raeford, NC, USA
Status: offline
quote:

ORIGINAL: troposcuba

hey fellas, just to clarify, there were at least 10 brand new rubberbands on this wing too. seriously doubt that was the prob.


12 actually.... I put them on.

_____________________________

He who dies with the most toys wins!

(in reply to troposcuba)
       Post #: 31

RE: Hate it when the expiration date matches the maiden.. - 10/19/2006 9:39:13 PM   
BLUEGOOSE2


 

Posts: 7
Joined: 6/6/2006
From: , GA, USA
Status: offline 		Two sides to each coin in which I have witnessed both. I have an Alpha 60 wich uses the same 3/4" tape as the 40. Originally was taped and finally i was convinced to epoxy the joint. After the joint was epoxied I can in on a short approach, tipped the wing and cartwheeled the plane. Had the joint been taped it would have been more giving and not dented up the leading edge into the fuse. Reglued, repaired, forgot to charge batteries and spiraled the final death of the wing. Don't think the tape would have helped on this one. My point is that its a trainer plane and they are trying to keep it as forgiving as they can because minor mishaps and cartwheel landings, and tailovers are going to happen. I don't agree with the taped wings but I can see the manufacturers standpoint in a trainer model.

(in reply to daveopam)
       Post #: 32

RE: Hate it when the expiration date matches the maiden.. - 10/25/2006 3:27:21 PM   
rrragmanliam


 

Posts: 1006
Joined: 10/20/2003
From: Arvada, CO, USA
Status: offline
quote:

ORIGINAL: daveopam

I am not trying to be the bad guy here but..........Both of the planes pictured had two blade props fitted to them. This effectively doubled the air speed of this plane.This wing design may not be the best.
However Horizon may baulk at the prop change. I have flown a few of these and the three blade prop along with the needle valve limiters are a pain. At least for an experienced flyer. These things did however keep the air speed way down. Please don't take this as criticism. I would have done the same thing with the prop. I just think you gave Horizon a way out of their liability.

David


Dave,

I'm hearing you but if the MFG were to use this as an excuse it would totaly be chicken s--t! First of all thats what the throttle is for. Secondly 90% of rc aircraft use 2 blade props and have forever. This plane should be able to handle ALL the aerodynamic forces encountered during flight, even at WOT with a 2 bladed prop, in a dive then pullout at full speed.

Darren

(in reply to daveopam)
       Post #: 33

RE: Hate it when the expiration date matches the maid... - 10/27/2006 8:40:06 AM   
troposcuba



Posts: 358
Joined: 10/18/2006
From: raeford, NC, USA
Status: offline 		fwiw even though we had the 2 bladed prop installed, like mentioned earlier, there was a VERY experienced pilot flying the plane when it went down and it had only been up for a short time at fairly low speed. so although it may be true as far as possibly exceeding the airframe design limits, i am sure that it did not actually reach high enough speeds to be a factor.

still waiting on h9's response on this one. i mailed it out about a week ago. haven't received the confirmation of receipt that they have to sign when they get the package yet. so more to come.

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at 'em boys, give 'er the gun!

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       Post #: 34

RE: Hate it when the expiration date matches the maiden.. - 10/28/2006 11:34:12 PM   
Carpilot


 

Posts: 23
Joined: 9/13/2008
From: Lakewood, CO, USA
Status: offline 		Hmmm, The Hangar 9 Arrow ARF plane is the same basic design, the instructions said to use tape to hold whe wing halves together, with epoxy as an option, I guess I'll epoxy them together now because I just bought a 2 blade prop and spinner for it the other day. I can fly the heck out of my stryker F27C and now this Arrow is kinda boring after only just a few flights with the 3 blade prop.

(in reply to daveopam)
       Post #: 35

RE: Hate it when the expiration date matches the maid... - 10/30/2006 6:21:52 PM   
rccardude04


 

Posts: 323
Joined: 6/14/2005
From: Wichita, KS, USA
Status: offline 		In reality, you shouldn't even need the tape to hold the wings together. There is practically no load whatsoever pulling the wings apart during flight. All of the forces are perpendicular to the wing tube so all of the loads are on the tube and the rubber bands. If the tube fits tight, and enough rubberbands are used, there is really not even any reason for the tape. It's mainly there just to keep them from being accidentally seperated during wing installation and transportation.
The epoxy and glass will aid in high-g situations where the wing tube would have failed, but does not really help at all with keeping the wings from seperating.
How many gliders have you seen that use nothing but 2 aluminum tubes to hold the wingtips on?
-Eric

(in reply to Carpilot)
       Post #: 36

RE: Hate it when the expiration date matches the maid... - 11/4/2006 10:27:45 PM   
troposcuba



Posts: 358
Joined: 10/18/2006
From: raeford, NC, USA
Status: offline 		well fellas, here's the update. got home from the field today jealously watching everyone else flying on a beautiful day. waiting on the front porch was a big ol box from hangar 9. sure enough, they sent me a new plane. so whether it was my fault or not, i got a second chance at it. so i plan to glue this wing together for sure, and should be up in the air next chance i get. hangar 9 has a fan here for sure!!

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at 'em boys, give 'er the gun!

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RE: Hate it when the expiration date matches the maid... - 11/6/2006 12:55:07 AM   
Mr67Stang



Posts: 2339
Joined: 4/26/2006
From: Raeford, NC, USA
Status: offline 		So now I know why you didn't come over for a few beers around the fire pit... That's great news! Hanger 9, Congrates for your superior customer service!

_____________________________

He who dies with the most toys wins!

(in reply to troposcuba)
       Post #: 38

RE: UPDATE Hate it when the expiration date matches the... - 2/1/2007 9:31:32 PM   
ger88005


 

Posts: 25
Joined: 3/3/2006
From: , NM, USA
Status: offline 		An older gentleman at my club asked someone else to fly his little 20 size trainer for the second time. There was only that gentleman, another, and me at the field all that day. The maiden flight was performed by the other guy (Kenny) while I flew my P-51. I agreed to fly it since the other guy was busy. The takeoff was good, but I would set the trim, take it in a turn and find myself re-trimming the ailerons. This made me very nervous, so I asked the guy if there was any tricks or anything he wanted me to perform. He said bring it in for a landing and he'll take it from there.
I brought it in a left turn, and after a landing where I was holding the ailerons to the right slightly we found out the servo horn was too big for the servo.
He used a hitec servo arm on a futaba servo, or vice-versa. I can't remember which.
Moral of the story: Make sure the servo arm cannot ever turn without the servo turning and that it fits TIGHT on the servo.

(in reply to Mr67Stang)
       Post #: 39

RE: Hate it when the expiration date matches the maiden.. - 2/1/2007 10:31:44 PM   
Achilles_


 

Posts: 14
Joined: 5/11/2005
From: Belleville, ON, CANADA
Status: offline 		I had an Aplha trainer once and I used 2 inch packing tape to hold the wing togther. I doubled the tape up though to add strength to the tape. I used an APC 10x6 2 bladed prop on it and the wing held together even after plowing it in to the ground at full tilt.

Just my experiece with this plane and not glueing the wings together.


(in reply to daveopam)
       Post #: 40