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Old May 29, 2011, 04:31 PM
Argue for your limitations
ajbaker's Avatar
Lincoln, CA
Joined Oct 2006
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Thinking outside the box.

Quote:
Originally Posted by Prof100 View Post
Jurgen,

Correction, it is 134 grams not 132 per TowerHobbies website for the Power pack. The Microdan 2510 3D 970 KV is 54 grams not 34 grams per the Microdan site. That's 80 grams lighter in the nose. Below is from his website:

Recommended Props:

GWS 11x7 DD (best) 34oz, 17A, 3s.
GWS 10x 6 (3) blade 32oz, 15A 3s.
GWS 10x4.7 SF, GWS 10x7 HD, or GWS 11x4.7 SF.

Recommended Batteries:

3s lithium polymer 600 - 1500 mAH.

The weight difference with smaller batteries and a 54 gram motor is about 6 ounces. Your mileage may vary.

The FC AUW would fall below 30 ounces.

Using a 54 gram Microdan is a classic "thinking outside the dots" to connect the 9 dots with four continuous straight lines.
yup. you just know you will get busted for being off 2 grams, huh?
That puzzle has been around for at least 40 years. It is not easy until you see the answer. Then, most people will go Oh, yeah... That is simple. I appreciate almost everyones help in assisting me thinking outside the box. BTW-The 11x7 prop that you recommended worked SUPER!! for me. I used an APC prop. I hope that is OK compared to the GWS. It is what I had. Thanks again. I will post the video later.
AJ
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Old May 29, 2011, 04:35 PM
Argue for your limitations
ajbaker's Avatar
Lincoln, CA
Joined Oct 2006
8,422 Posts
Motor and stuff

Quote:
Originally Posted by Sammy70 View Post
The good old 35-36 1000-1100 kv motor is hard to beat for a low cost option...
I totally agree. That is the motor I am using. Also, if I am not mistaken, it is the most popular motor on this thread to use in the FC. For me, the winning combo for my current needs is that motor, APC 11x7, and 40A HobbyWing ESC.
AJ
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Old May 29, 2011, 04:40 PM
Argue for your limitations
ajbaker's Avatar
Lincoln, CA
Joined Oct 2006
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Quote:
Originally Posted by Prof100 View Post
Who cares ...
You missed the point completely. You HAVE to be wrong. That is the game. You can see now why I use ignore. There are way too many really nice and knowledgeable folks to focus in on just one.
AJ
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Old May 29, 2011, 04:46 PM
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Canton, Michigan USA
Joined Jul 2007
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Quote:
Originally Posted by ajbaker View Post
You missed the point completely. You HAVE to be wrong. That is the game. You can see now why I use ignore. There are way too many really nice and knowledgeable folks to focus in on just one.
AJ
Yes, scales across the pond are more accurate than Tower Hobbies in Champaign.
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Old May 29, 2011, 04:59 PM
Argue for your limitations
ajbaker's Avatar
Lincoln, CA
Joined Oct 2006
8,422 Posts
Weigh me a river.

Quote:
Originally Posted by Prof100 View Post
Yes, scales across the pond are more accurate than Tower Hobbies in Champaign.
In my experience, most all vendors have standard lies that they tell.
1. The motor always weighs more that what is claimed.
2. The thrust is always less than is claimed.
3. The Watts claimed are always less than claimed.
4. The AUW is always more than claimed.
5. The AUW does not include the motor - I guess because the motor is not needed to fly the plane.
6. The skill set required to fly it is always less than what is really needed.
7. Always less crash resistant than promised... (from mavlo77)
8. Someone will tell you, you can get some item from Hobbyking for $9.95 but forgot to mention the $12.00 postage. (from A_Rdnek)

I am sure the guys in here could add on another 10-20 things that vendors "fudge" on.
Then, there are a few (very few) vendors that do their best to tell the truth like MicroDan and DrKiwi (I am not sure if he is a vendor or not. But, he ALWAYS speaks the truth in a very nice communicative style. It appears to me that even if a person is wrong, he finds some way to give credit to any part of that persons statement that is right).
AJ
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Old May 29, 2011, 05:00 PM
Ozzie Express wiggy pilot
SON OF PALEFACE's Avatar
YANKALILLA , SOUTH AUSTRALIA.
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"yup. you just know that Jergen would bust you for being off 2 grams, huh?"..LOL...
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Old May 29, 2011, 05:01 PM
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7. Always less crash resistant than promised...
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Old May 29, 2011, 05:14 PM
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Quote:
Originally Posted by Prof100 View Post
Yes, you are speaking conventional wisdom. Have you ever seen a Mercury Merkur turbo charged 2.0L developing 700 hp? It would lap the Transam field where most were running small block Ford and Chevy V8s. It was an unfair advantage since the weight break was 200 lbs.
Weight to power - that's the trick
Waaaay back when - I ran a 265 cu in Chev in a 2100 lb Austin Healey
It ate the 400 cu in stuff alive.
Most of the new electric motor we see, run about 90+ % efficiency and about the only real "trick" is expensive magnets
really killer Batteries are the next frontier to be conquered

So far the strongest ones are the A123 but weight to power is not as good as really good Lipos
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Old May 29, 2011, 05:17 PM
Ozzie Express wiggy pilot
SON OF PALEFACE's Avatar
YANKALILLA , SOUTH AUSTRALIA.
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This is what I use and its heaps of power , just over 200w , Axi 2808-24 , here is the rough equiv from HK

http://www.hobbyking.com/hobbyking/s...idProduct=3883

GWS 10 X 6....

I sharpened carbon tubes and screwed them into the fuzz right back to the mid cabin position.....about 9" long also sanded in a bit more down thrust on the ends of the two motor mounting plates......no vibes and MORE than enough power
The AXi motor weighs 85 grams.........
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Old May 29, 2011, 05:35 PM
Argue for your limitations
ajbaker's Avatar
Lincoln, CA
Joined Oct 2006
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Quote:
Originally Posted by SON OF PALEFACE View Post
I sharpened carbon tubes and screwed them into the fuzz right back to the mid cabin position.....about 9" long also sanded in a bit more down thrust on the ends of the two motor mounting plates......no vibes and MORE than enough power
The AXi motor weighs 85 grams.........
I like it. 5mm CF?
AJ
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Old May 29, 2011, 05:39 PM
Ozzie Express wiggy pilot
SON OF PALEFACE's Avatar
YANKALILLA , SOUTH AUSTRALIA.
Joined Nov 2002
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5 or 6mm cant remember......Id better go and measure them ...cause it dont pay to be out with anything here..or a certain person will jump on you....


OK ...digital caliper sez 7.99mm
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Old May 29, 2011, 05:45 PM
Argue for your limitations
ajbaker's Avatar
Lincoln, CA
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Tough size to find.

Quote:
Originally Posted by SON OF PALEFACE View Post
5 or 6mm cant remember......Id better go and measure them ...cause it dont pay to be out with anything here..or a certain person will jump on you....


OK ...digital caliper sez 7.99mm
You sure got that right. Thank you for your input. However, what I have in stock won't work. I will have to special order 7.99mm CF. All I have is 8.00mm.
AJ
BTW- Why did you not use the adjustment screws for the down/side thrust? Or, should I not ask?
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Old May 29, 2011, 06:02 PM
I fly lawn darts with wings.
United States, CA, Turlock
Joined Apr 2011
571 Posts
AJ: I actually had to email advantage hobby, I'm missing those large screws to hold the wing down.
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Old May 29, 2011, 06:09 PM
Ozzie Express wiggy pilot
SON OF PALEFACE's Avatar
YANKALILLA , SOUTH AUSTRALIA.
Joined Nov 2002
5,234 Posts
Well you be carefull...that .1mm oversize carbon will probably work ok

No , no adjustment screws....just the two 3mm cap screws is (dare I say it) all thats needed........

Cheers
Ian


Holy crap.....Sorry Sorry.... thats .01mm ....Sorry
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Old May 29, 2011, 06:38 PM
I fly lawn darts with wings.
United States, CA, Turlock
Joined Apr 2011
571 Posts
Quote:
Originally Posted by mbreslin View Post
AJ: I actually had to email advantage hobby, I'm missing those large screws to hold the wing down.
And the small parts set is out of stock everywhere including advantage hobby which means who knows how long until I get the parts. No matter the outcome I will never order from them again.
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