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Old Jun 27, 2012, 10:51 AM
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I changed the battery section little. I'll go back and look for C ratings on the previously posted batteries.
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Old Jul 04, 2012, 12:38 AM
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More:
RCX07-035 3A ESC 1.09g with 2mm pitch connectors and heat shrink tube , 0.58g without connectors and tube

MTD6505 3 phase brushless motor driver 60mg without wire
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Old Jul 16, 2012, 10:12 AM
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i was looking at the file i created a while ago. i can get it up to date and revise it with a better layout. i might even be able to build a weight calculator into it as well but i'll need to see if thats possible.

in the meantime it would help if i could get some more info added into the data file. (a simple excel sheet) if i upload it to google docs or similar can anyone can add in the fields i appear to be missing?
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Old Jul 30, 2012, 06:33 AM
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updated spreadsheet for anyone to add to and also an updated interactive visual which should help selection of parts. the selection of multiple values into a 'basket' is a bit beyond the capabilities of me and the data visualisation tool that i use.

the chart thing!
http://public.tableausoftware.com/vi...oard1?:embed=y
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Old Jan 16, 2013, 02:03 PM
miataman
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Hi! I posted this in another forum. It might be of some interest here.
JCS
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Old Jan 16, 2013, 03:11 PM
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good work. it would be a great favor to list those as text. i cant quite make out those lables on my current computer. also mention size of template for us to make comparisons with other foams.
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Old Jan 16, 2013, 04:03 PM
miataman
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Erie Pa.
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Dave, Most are already in the text. This is a nononsence approach to show that there isnt very much difference in weight of any of the foams to show noobes that you can build with what you can find in their towns.
usually if you get a picture up and click the second time it will zoom in. or save it to documents and then enlarge. This pic means nothing unless you can see the weight comparisons together.

as an example The same size piece of dollar tree foam is 4.7mm thick and weighs the same as 3mm depron and 3.4mm cellfoam and 2mm take home containers and .6 grams lighter than 5.6mm dow fff.

Even if weights are close they can make a big difference in how you build.
After six years I am able to build 32gram planes of 16" WS. They were 50 and 60g when I started.
JCS
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Old Jan 16, 2013, 04:50 PM
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thanks. on 2nd click it goes full screen but dont zoom and i cant save but you have summed it up perfectly. im astonished there is so little difference but it does make sense when you consider the skin i most of that. of course skin is where the stength is too so six of one, half dozen of the other...
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Old Jan 16, 2013, 09:32 PM
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The latest Tactic compatible Flyzone 4 Channel Brick (two rotary servos) weighs 4.70g
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Old Mar 28, 2013, 06:30 AM
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Ive been playing with the micro stuff..
whats the lightest? epp or depron
now my EPP is I thought the lighter grade.. but I cut a 16.5 circle for a Nutball out of white 6mm epp..and a similar circle from 3mm white depron

the EPP weighed 27gms the depron just 15gms

no way does that compare to figures posted at post 1...
so perhaps mine is the heavier weight 1.9 weight epp... calculations will get me to 139.8gms /m sq for a lighter 1.3 grade..thats likely
and get me 113.5gms/m sq for my depron
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Old Mar 29, 2013, 02:31 AM
NaN
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Yep, there are different grades of EPP with quite different densities.

I'd say Depron always makes for a lighter buid because it 's so much stiffer. EPP is more durable, but it only really starts to be viable for larger models, if you're trying for indoor flying speeds.

I've made a FlyingWings Bongo, without the carbon hoop, and their Mini Bongo (also with no hoop, but I can't remember if that was supposed to have one). I bent the front section of the wing into a curve, where it meets the fuselage, on both to make them stiffer. They both fly slowly enough, but the bigger one is slower (and a better flyer).

For anything smaller, I'd definitely go with depron for indoor flying. Even the Mini Bongo would be better if it was made from depron, but it would probably have been destroyed by now.
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Old Apr 07, 2013, 10:47 AM
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Canada
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Couldn't find it here,in case it's been noted previously, and I missed it.
Nanotech 2S 300 mah Batteries 17 grams.
.identical for the several I bought @ $3.76 each
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Old May 29, 2013, 07:48 AM
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Southport Merseyside UK
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Hi
Here are links to posts I just made about useful micro components.
http://www.rcgroups.com/forums/showp...postcount=3805
http://www.rcgroups.com/forums/showp...postcount=3811
The weight of the mount for the AR6400 is 3gm.
Once I have prototypes of other mounts in about a month I will add them also.

Eric
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Old May 29, 2013, 01:08 PM
NaN
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Quote:
Originally Posted by streff View Post
The weight of the mount for the AR6400 is 3gm.
Eric
Did you mean 0.3g, Eric?
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Old May 29, 2013, 05:35 PM
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Hi Andy

Yes finger trouble 0.3gm is the weight.

Eric
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