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Hot Topic (More than 10 Replies) State of the art...at some point... (Read 6240 times)
Adam
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Re: State of the art...at some point...
Reply #12 - Apr 8th, 2012 at 2:03am
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Black Lion wrote on Nov 30th, 2009 at 7:02am:
You give up too easily...man! You were close!

It's a Vickers "Gunbus" but the FB9 and not the 5. Ummm...don't ask me what happened with the 6,7 and 8 models though...no clue.

Maybe they got scrapped due to time restraints or something
  
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thymekiller
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Re: State of the art...at some point...
Reply #11 - Dec 1st, 2009 at 6:24am
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Gotcha'   Am always ready to accept advice. Thanks.
  

",,,The road goes on forever, and the party never ends..."
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Charlieman
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Re: State of the art...at some point...
Reply #10 - Dec 1st, 2009 at 6:11am
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TK,
Don't know if you are aware of this or not, but offer it in kind spirit.

Longer rubber motors can be "braided" or pre-wound, so they actually fit between shorter distances , prop hook to peg, in the un-wound condition.

A simple method of just adding a longer loop, to say your P-40 Nocal, would allow more turns and possible longer flight times. However the motor might not unwind with any degree of certainty and possibly bunch up. Not such a big deal when it happens forward(hardly ever). Bunching to rear(almost always) can cause CG upset and stalling problems.

Braiding is nothing more than "pre-bunching" so that it occurs in a more controlled and bennificial manner. As with anything, too little is of no use and too much can be self defeating in max allowable turns or have detrimental effects on other systems, such as impeding a free wheeling prop, blade fold, or possible airframe damage.

For a single loop, I roll one end of the strand on my leg, before tying. Multiple strand motors can be a large single loop and twisted before doubling, etc. and allowed to smoothy twist itself into a "rope". In both, the more it is twisted, the shorter the "at rest" motor becomes.  When winding, the braided (and lubricated!!) motor is stretched to wind in max turns, more or less ignoring the pre wound status.  As the winds dwindle, the braid re-accerts itself and the motor assumes its preflight legnth, hopefully maintaining  the flight trim. Experience is best teacher, here. Thankfully, rubber is relatively cheap, especially in the "Sport" or non-contest grades/varieties.

A 10" hook to peg length could appear to be inadequate, but is no real indicator of the size and stamina of the motor itself.

  
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thymekiller
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Re: State of the art...at some point...
Reply #9 - Nov 30th, 2009 at 8:47pm
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Its not that I give easy, Its about fair play. Has to be a limit on guesses, then schoolin'. I will get you next time. Or the time after.
I did not know there WAS a Vickers 9. Never would have looked. I will now.

Excellant flight vid, Charlieman. That was a crazy good flight, considering the subjuct and the SHORT rubber. Despite being jumbo scale, that could not have had more than 10 inches of rubber.
Amazing. I love that odd stuff. Wow I have alot to learn.

Thanks guys.  Having BIG fun. Hope you are too.
  

",,,The road goes on forever, and the party never ends..."
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Charlieman
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Re: State of the art...at some point...
Reply #8 - Nov 30th, 2009 at 6:11pm
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Check out the flying vid of the Gunbuss @:

http://www.ffscale.co.uk/page3qq.htm

You may have to scroll down abit to see it. A static photo of the same model appears in part 1
  
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Black Lion
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Re: State of the art...at some point...
Reply #7 - Nov 30th, 2009 at 7:02am
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You give up too easily...man! You were close!

It's a Vickers "Gunbus" but the FB9 and not the 5. Ummm...don't ask me what happened with the 6,7 and 8 models though...no clue.
  
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thymekiller
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Re: State of the art...at some point...
Reply #6 - Nov 30th, 2009 at 6:14am
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I had my chance. 2 of em'. You get a third win. I thought the skid was a variation.
I was sure I had it that time. Now i GOTTA know.  
Keep em' coming. I will learn. Haveing had great fun gathering sources and learning about history. In the end, we both win.
  

",,,The road goes on forever, and the party never ends..."
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Black Lion
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Re: State of the art...at some point...
Reply #5 - Nov 30th, 2009 at 5:16am
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thymekiller wrote on Nov 29th, 2009 at 7:59pm:
Vickers fb5
I missed the radial engine.  Looking closer, the tail is a bit different.
A.K.A.  Gunbus.  1913.  


The wings, horizontal stab and elevator on the FB5 were "square" on the tips. Also, the FB5 had skids in front of the LG. Care to make another guess?
  
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Dooley
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Re: State of the art...at some point...
Reply #4 - Nov 29th, 2009 at 9:49pm
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Black Lion wrote on Nov 29th, 2009 at 9:04am:
...but I can't imagine what it was like for the gunner out front.

When I was a kid my dad had his own garage and one of his customers was an old guy with only one leg. My dad told me he had lost his leg during WW1...had it lopped off by a prop on some bomber. I was told he was in the "pulpit" and hadn't strapped in when the plane hit an air pocket. The plane went out from under him and he then landed on the top wing but before the pilot could land the thing he slid back and his leg was lost.

Gives you shivers, huh?



Jeez, Louise... Shocked

The other great danger for those "pusher" crews was that in even a modest nose-over landing, they had that whacking big engine hammering down on their backs from behind...
  
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thymekiller
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Re: State of the art...at some point...
Reply #3 - Nov 29th, 2009 at 7:59pm
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Vickers fb5
I missed the radial engine.  Looking closer, the tail is a bit different.
A.K.A.  Gunbus.  1913.
  

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Black Lion
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Re: State of the art...at some point...
Reply #2 - Nov 29th, 2009 at 7:38pm
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F.E.2 had an inline 6 cylinder engine so....nope. Try again.
  
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thymekiller
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Re: State of the art...at some point...
Reply #1 - Nov 29th, 2009 at 9:32am
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R.A.F. f.e.2
Somewhere around 1913/14?
  

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Black Lion
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State of the art...at some point...
Nov 29th, 2009 at 9:04am
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...but I can't imagine what it was like for the gunner out front.

When I was a kid my dad had his own garage and one of his customers was an old guy with only one leg. My dad told me he had lost his leg during WW1...had it lopped off by a prop on some bomber. I was told he was in the "pulpit" and hadn't strapped in when the plane hit an air pocket. The plane went out from under him and he then landed on the top wing but before the pilot could land the thing he slid back and his leg was lost.

Gives you shivers, huh?

  

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