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Home✈️Aircraft🚁HelicopterFuel-Helicopters New or Limited ActivityAvant › Synergy --- Aurora .... which has the lowest parts count ?
09-08-2006 03:28 PM  14 years ago
JeffM1999

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Erie, CO

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you have a point there, I suppose there is no right answer, just get the machine that you want. This parts count debate could probably go on forever.
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09-08-2006 04:42 PM  14 years ago
TYREE

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Sonoma county

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Thanks Guys.....
I do see the contrary view as well...One thing I would point out in
my original statement is..."if both machines did the job equally well"
which seems to have gotten lost in the comments. So, I really think the 'belt drive vs a torque tube' example misses the point because you are pointing out differences in performance to make your argument.

My only motivation for asking the question about parts count is to help me make a buying decision between the synergy and the Aurora.
Maybe if I was in Jeff's state of mind it would be
a little easier....no doubt.

Thanks..

Ty
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09-08-2006 06:32 PM  14 years ago
Dr.J

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Ontario, Canada

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You're both right;

low parts count is a bonus for us, in our hobby, because of: ease of build and less: weight, time and cost to rebuild; these are all plusses.

My only point was that it's a mistake to believe that mechanical complexity is necessarily poor engineering; because it's not. Sometimes to achieve a specific end, complexity is required and/or necessary.

I built a V8 Vega, as a teenager (you're probably all too young to know what that is: http://www.cardomain.com/MakeModel/Chevrolet/Vega); but, suffice it to say, a very light and small car, with a lot of horse power and nose bleed acceleration, in a straight line. These days, a BMW M3 is a similar vehicle; accelerating nearly as fast, but also able to handle like a go-kart (which was impossible for the low parts count, V8 Vega). In order for the M3 to achieve both, acceleration and handling, it requires a more complicated design.

This is my only point: mechanical complexity isn't necessarily poor engineering.

John
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09-08-2006 09:50 PM  14 years ago
TYREE

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Sonoma county

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Dr. J......
I do not think any of the prior posts .... by anybody
has stated that you should 'under engineer' anything for any reason
including 'low parts count'..

I guess I felt that concept goes without saying..
in 'good engineering'...excuse me if it seemed like I was emplying
that idea by not stating that concept.

Thanks for making that really clear for all...

This is what I did say as a refresher:

What would you buy if you had the choice of two machines
that did an equally fine job at their designed task...

One with 5 moving parts or one with 25 ?

The key in understanding my poor attempt at communications is this: two machines that did an equally fine job at their designed task...
One with 5 moving parts or one with 25 ?

Ty
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09-08-2006 10:23 PM  14 years ago
RyanW

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Edmond, Oklahoma

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I have to add my 2 cents here as far as material goes. Carbon and aluminum do not equal best design. Neither does all plastic for that matter. It comes down to the best material for the specific function. Location, load, fatigue, etc are all part of the equation. G10 is not a bad material and does have some noticeable advantages over carbon in certain areas. Plastic used to house bearings is a very good idea, assuming the design is proper. Vibration absorbtion is a highly welcomed feature on all helicopters. If you make the most rigid design from top to bottom and tip to tip, you WILL have a much higher rate of failure due to fatigue and vibration induced stress. That is a fact. I have nothing to say about any machine discussed in this thread, but I would like to make it clear that the material that is used is not as important as how it is used.
-Ryan
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09-08-2006 10:31 PM  14 years ago
TYREE

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Sonoma county

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Ryan...
material usage...has it's own science.. as you obviously know.

I guess even the main building block of all known life....carbon, can be mis-used...

Ty
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09-09-2006 01:43 AM  14 years ago
Dr.J

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Ontario, Canada

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Tyree,

I was only responding in regards to the statement you made previously:

"High part counts.....

quite often are indicative of poor engineering ie. overly complicated design."

and to the two fellows that responded after what I had written, originally. By the time I completed the second response, two more people, including you, had responded further (but I hadn't seen or read it ... I've slowed down ... must have wasted all my speediness in my teens, invested all of it in the Vega).

Also, I don't mean to be argumentative in any personal way; please don't take it that way.

John
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09-09-2006 02:02 AM  14 years ago
TYREE

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Sonoma county

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Dr. J....
John....it's all good...even if some can't see that.
I did appreciate you clearing up the issue about low parts count vs under engineered. And I do thank you for taking the time to give your opion about things...

Ty
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09-09-2006 02:09 AM  14 years ago
Dr.J

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Ontario, Canada

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Ty,

I'm glad to hear it! I hope you manage to work out your decision. I know how you feel as I'm torn between the two, also.

Good luck,

John
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09-09-2006 04:53 AM  14 years ago
helitroll

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Southlake, TX

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Decisions
I will go with the Aurora when the time comes. I could not order a Syndergy from my LHS. I can order the Aurora from them when available. That was all I needed to know.
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