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captainron1(at)cox.net
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 Posted: Fri Sep 02, 2011 5:29 pm Post subject: New Video... |
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I think its called a " Fire Wall " I have yet to see a pusher with a fire wall and have yet to see a puller without one. I will have a solid aluminum fire wall on my M3X, it may take some re jigging but I hate noise.
Ron (at) KFHU
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---- robert bean <slyck(at)frontiernet.net> wrote:
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Mine is pretty noisy too. although folks on the ground say it is quiet. Maybe just polite neighbors.
I wonder what the physics is behind the noise factor, tractor vs pusher?
BB, MkIII, suzuki
On 2, Sep 2011, at 7:59 PM, Thom Riddle wrote:
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Can't argue with that. The Titan Tornado I used to own, was very noisy
too. The outstanding visibility we get with pushers has to cost
something, I guess.
Thom
do not archive
On Sep 2, 2011, at 5:43 PM, "ces308" <ces308(at)ldaco.com> wrote:
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> LOL....you'll never convince anyone up here that this thing is quieter than anything !!! I think it was FLYING or AOPA mag has a interview with Burt Rutan and he says the noise factor was the reason he stopped designing pusher aircraft....
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> chris ambrose
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> Read this topic online here:
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> http://forums.matronics.com/viewtopic.php?p=351286#351286
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kugelair.com
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byoungplumbing(at)gmail.c
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| Posted: Fri Sep 02, 2011 6:15 pm Post subject: New Video... |
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I think its called a " Fire Wall " I have yet to see a pusher with a fire
wall and have yet to see a puller without one.
Ron
i once flew a weed hopper with a one lung engine set up in a tractor
configuration,,,, only did it once and would not recommend it.
boyd young
mkiii utah
do not archive
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thumbs
Joined: 02 Aug 2011
Posts: 18
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| Posted: Fri Sep 02, 2011 6:27 pm Post subject: New Video... |
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Yeah I saw one of those. I can't imagine the prop wash on a open cockpit tractor.
By the way I watched a couple of you videos and enjoyed them both. I appreciate the smooth video it almost makes me feel I am there. Can't say that for most I have seen.
Gary
Souderton, Pa.
[quote][b]
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_________________
Gary
Souderton, Pa.
Firestar II |
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flykolb(at)pa.net
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| Posted: Fri Sep 02, 2011 6:41 pm Post subject: New Video... |
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Kolbers ... console yourselves with what you have: the grass is not greener
on the other side of the prop!!
At TOK Aircraft company we made several tractor prototypes before the
TwinStars as our first attempt at 2 seaters.
WE did not like the following about (our) tractors:
Prop turbulence
Exhaust smells
Reduced visibility
Being congenitally joined to a windshield - yes we did try flying without a
windshield and it isn't much fun either.
A little extra noise seems a very small price to pay to be rid of all the
above.
Dennis
PS I still have 2 of the tractors; I rescued them from the trash heap when
Homer was in one of his cleaning-up / throwing out modes.
--
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Dana
Joined: 13 Dec 2007
Posts: 1047
Location: Connecticut, USA
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| Posted: Fri Sep 02, 2011 6:48 pm Post subject: New Video... |
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At 10:24 PM 9/2/2011, Gary Thacker wrote:
| Quote: | | Yeah I saw one of those. I can't imagine the prop wash on a open cockpit tractor. |
From what I've heard (never flown one), it's not that bad. Once you're at flying speed it's only about 5-10 mph faster in the prop wash than the free stream velocity.
-Dana
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A human being should be able to change a diaper, plan an
invasion, butcher a hog, conn a ship, design a building, write a
sonnet, balance accounts, build a wall, set a bone, comfort the
dying, take orders, give orders, cooperate, act alone, solve
equations, analyze a new problem, pitch manure, program a
computer, cook a tasty meal, fight efficiently, die gallantly.
Specialization is for insects.
- Robert A. Heinlein
[quote][b]
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Dennis Thate
Joined: 18 Nov 2010
Posts: 362
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| Posted: Fri Sep 02, 2011 6:51 pm Post subject: Re: New Video... |
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Here's my friends Weedhopper !!!
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_________________
Both optimists and pessimists contribute to our society. The optimist invents the airplane and the pessimist the parachute. ~Gil Stern |
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pj.ladd(at)btinternet.com
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| Posted: Sat Sep 03, 2011 1:59 am Post subject: New Video... |
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ambient perceived noise >>
Hi, there is nothing `perceived` about it. It is very real. The noise in
the cockpit is not really the problem,plugs and headphones can deal with
that. The problem is the complaints from the neighbours, sometimes even
people you have only flown over at 800 ft and the way the horses and
cattle stampede for the next State.
With the room that you have where most of you fly perhaps it is not a
problem. In the UK there is an actual measured flying test for each type of
plane, with a specific type of engine and a specific prop. If you change the
prop or the engine it should be retested.
Thank goodness that I don`t operate in Germany where the noise levels are
much more rigorous.
Pat
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ces308
Joined: 03 Nov 2008
Posts: 317
Location: houghton lake ,mi
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| Posted: Sat Sep 03, 2011 6:12 am Post subject: Re: New Video... |
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A friend and I built and flew a Weedhopper for a couple years back in the yearly '80's and had a ball with it....it just wasn't a windy day kind of airplane though and with a top speed of 45 mph,prop wash was never a factor...the one in the picture is the fancy one ....ours did not have the sail panel under the wing...those were faster that the wing we had....lol....(faster)...lol
chris ambrose
M3X/Jabiru
N327CS
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