RE: The giant 8 engine B-52 has chrashed [Video]  
View related threads: (in this forum | in all forums)

Tower Hobbies
Enter up to 4 keywords or Tower stock numbers
Logged in as Guest



Users viewing this topic: none
  Printable Version
       

All Forums >> RC Airplanes >> Crash & Rebuild >> RE: The giant 8 engine B-52 has chrashed [Video]
Page: <<   < prev  1 2 3 4 [5] 6   next >   >>  

Login
Message << Older Topic   Newer Topic >>
RE: The giant 8 engine B-52 has chrashed [Video] - 10/13/2004 2:23:08 AM   
superflea


 

Posts: 294
Joined: 5/25/2003
From: raymond, WA, USA
Status: offline
quote:

ORIGINAL: Dago Red

This B-52 had ailerons added to it after the first few flights, the spoilers wernt enough for it.



none of the full scale B52s i ever worked on had ailerons and i worked on B52Hs at minot AFB you know the H model the most current model out there.

but if they were smart about it i would hope that these people would have deviated from pure scale and added elevons to it to help roll response otherwise it would have taken 100 mph to maintain roll control. i would think that with spoilers you would lose roll authority long before you reach the true stall speed. i dont know for sure but it seems like you would any way

(in reply to Dago Red)
       Post #: 101

RE: The giant 8 engine B-52 has chrashed [Video] - 10/13/2004 2:46:49 AM   
Hatty



Posts: 356
Joined: 10/7/2003
From: Lexington, KY, USA
Status: offline 		It is my belief that true scale is a dumb thing to do. Smaller or larger objects never work the same as the originals, and aircraft is a major example. Didn't we learn anything from Langley? Any reasonable person would have added the necessary controls and other items in order to make their plane flyable. I hope they did change things and that the crash was just a major example of when not to fly.

(in reply to superflea)
       Post #: 102

RE: The giant 8 engine B-52 has chrashed [Video] - 11/26/2004 2:58:29 AM   
p47dman


 

Posts: 209
Joined: 9/23/2002
From: Burnsville, MN, USA
Status: offline 		Look very closely to the crash photos. I see only one servo bay per control surface. The Rudder alone appears to be 4' tall.

(in reply to Hatty)
       Post #: 103

RE: The giant 8 engine B-52 has chrashed [Video] - 11/26/2004 10:07:19 PM   
Spaceclam



Posts: 4640
Joined: 4/13/2003
From: chatsworth, CA, USA
Status: offline 		you know they make some super giant scale servos that could easily be used in a small full scale aerobatic plane...

_____________________________

Duct tape is like the force. It has a light side, a Dark side, and it holds the universe together.

(in reply to p47dman)
       Post #: 104

RE: The giant 8 engine B-52 has chrashed [Video] - 11/27/2004 4:43:13 AM   
iflynething


 

Posts: 1914
Joined: 8/23/2003
From: Charlotte, NC, USA
Status: offline
quote:

ORIGINAL: p47dman

Look very closely to the crash photos. I see only one servo bay per control surface. The Rudder alone appears to be 4' tall.



I noticed that also. I don't care how big of a servo you have, if you have 40% planes with 3 servos just one the rudder, and you have a 150x larger plane with only one servo, then I would think that is faulty on whoever built it. Well, not the person who built, but whoever though to only put 1 servo. I could be wrong, but there could have been a servo on the other side of the vertical stab. I just saw one. I don't think the rudder servo or anything had to do anything, but I'm just making a point....

I'm sorry that happened, that crash is about 20 times worse than the 12' w/s (probably larger, numbers arent' exact) B-25 that I saw crash from rcwarbirds.com or something.....

Sorry

~Michael~

_____________________________

Michael Carr
Funtana, S100, Fut. 3050 / Rap 30, OS 32, JR 537, Fut. 401

(in reply to p47dman)
       Post #: 105

RE: The giant 8 engine B-52 has chrashed [Video] - 12/4/2004 1:13:22 AM   
Freakazoid



Posts: 1499
Joined: 10/27/2003
From: Roosendaal, NETHERLANDS
Status: offline 		Hair raising... I felt this one in the guts when I saw it go into tipstall. 8... EIGHT turbines up in smoke... Better get a third morgage on the house eh?

_____________________________

http://rc.kicks-ass.net <- Videos, Pictures, Reviews!

(in reply to Dago Red)
       Post #: 106

RE: The giant 8 engine B-52 has chrashed [Video] - 12/4/2004 1:21:06 AM   
trumpetjet



Posts: 393
Joined: 10/24/2003
From: Fresno, CA, USA
Status: offline
The servo issue aside these large planes handle more like the real thing than the models we are accustomed to. Is seems that a lot of these planes are lost due to pilot incompetence. I know some of you will say that the guy was an exellent pilot bla bla bla.... but that does does not change the fact that the dude stalled the jet an plugged it into the ground. I'm just glad no one got hurt. my .0355


_____________________________

Music Education, Performance, and Publishing.

(in reply to Freakazoid)
       Post #: 107

RE: The giant 8 engine B-52 has chrashed [Video] - 12/6/2004 1:43:41 AM   
bigd652


 

Posts: 29
Joined: 11/7/2004
From: , MI, USA
Status: offline 		Well all in all its sad to see it go.

_____________________________

Stock Revo.
RC10 GT

(in reply to trumpetjet)
       Post #: 108

RE: The giant 8 engine B-52 has chrashed [Video] - 12/6/2004 11:25:10 PM   
powertoys



Posts: 124
Joined: 1/19/2004
From: Biloxi, MS, USA
Status: offline 		Just to let you know, we use servos for our remote control jet skis that we use for gunnery target exercises. These are your everyday full scale Bombardier 4-tec 150 hp skis. We use servos that are water tight and are measured in ft. lb. of torque instead of the oz. in. torque that we normally see in the hobby. The servos are only three inches by six inches, adequately small enough to be installed in that behemoth of a plane. Now with that in mind, we do pay $900-1,800 per servo depending on which one we are getting for throttle or steering. If you are willing to pay the price, there is someone out there willing to build it.

(in reply to iflynething)
       Post #: 109

RE: The giant 8 engine B-52 has chrashed [Video] - 12/6/2004 11:33:42 PM   
volkan



Posts: 1835
Joined: 9/16/2003
From: London, UNITED KINGDOM
Status: offline 		another thing with the servos
Gordon knows what he is doind, he ive a amazing builder.
And besides, if the 1 servo per surface was complete crap,
then the plane wouldn;t have passed the CAA tests, which is
required for a model that is ove 20kg to fly.
Also, what makes the elecator trim on a 747 turn??? SERVOS,
like the guys above said, there are huge servos with tonnes of
kg in touque, remeber that.

_____________________________

Volkan Dil
Al's Hobbies Jet Centre IT - www.alshobbies.com

(in reply to powertoys)
       Post #: 110

RE: The giant 8 engine B-52 has chrashed [Video] - 12/7/2004 12:12:38 AM   
a65l



Posts: 1481
Joined: 12/7/2003
From: va veach, VA, USA
Status: offline 		A "servo" is not necessarily an electronic device. A servo is a device for converting some sort of energy into mechanical motion, and, it has a self-regulating ability. I.E., it moves only as much as desired, then it stops, and holds position. I'll speak from experience, here, the H-46 helicopter uses both electric and hydraulic servos in its flight control system. Larger hydraulic servos are used to move the actual swashplates, controlling the rotor heads, while smaller hydraulic servos are used for automatic flight control inputs. Electric servos are used, also, to control the artifical centering feel on the control sticks, and to trim the aircraft. I don't know 747's, but it wouldn't suprise me if the trim servos were hydraulic on such a large aircraft, even though they actually only move trim surfaces that cause the full control surface to deflect. Once you get above a certain size, hydraulic actuators are lighter than comparable powerfull electric actuators.

And, there is a post a while back to the effect that the B-52 model was converted to alierons, as they found the spoilers weren't all that effective.


Andy

_____________________________

In God I trust.
All others pay cash.

(in reply to volkan)
       Post #: 111

RE: The giant 8 engine B-52 has chrashed [Video] - 12/7/2004 10:43:25 AM   
Freakazoid



Posts: 1499
Joined: 10/27/2003
From: Roosendaal, NETHERLANDS
Status: offline 		Even with a 20ft plane, someone can have really bad day.
Some have em with with theire 20 dollar SPAD, some have them with a multi zero costing giant.

_____________________________

http://rc.kicks-ass.net <- Videos, Pictures, Reviews!

(in reply to a65l)
       Post #: 112

RE: The giant 8 engine B-52 has chrashed [Video] - 12/9/2004 4:06:48 AM   
PilotFighter



Posts: 2019
Joined: 10/9/2002
From: Houston, TX, USA
Status: offline 		I think that we should be a little more understanding with regaurds to the piloting of this airplane.

A B52 was not intended to be flown by the seat of the pants.

This is a fly by the numbers airplane.

And he didn't have any numbers to fly by.

I don't know that I am convinced that it was pilot error, even if the pilot thinks it was.

_____________________________

turn left, your other left

(in reply to Freakazoid)
       Post #: 113

RE: The giant 8 engine B-52 has chrashed [Video] - 12/24/2004 12:19:58 PM   
gutmark


 

Posts: 27
Joined: 12/8/2004
From: Alamogordo, NM, USA
Status: offline 		No, he's never FLOWN a plane...

(in reply to Dago Red)
       Post #: 114

RE: The giant 8 engine B-52 has chrashed [Video] - 12/24/2004 12:32:33 PM   
volkan



Posts: 1835
Joined: 9/16/2003
From: London, UNITED KINGDOM
Status: offline