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Old 02-25-2012, 10:57 AM   #136
Henry Piorun
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Quote: Originally Posted by harv
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how light would you wanna go with a plane that size. for a 124" wing, wouldnt anything less than 40lbs be too floaty?
The one I have now weighs 44 pounds, which was sort of shocking to me when I first weighed it. It flys fine at that weight but honestly I can't say it way over powered. I know there are a number of places where I can save considerable amounts of weight. For example take the fuel tank, I'm using a B&B specialties tank in the old one, switching to a Du-Bro tank will save 6 oz. That's just a simple off the self item. I really would like to get it in the 40 to 41 pound range, I think that would be ideal for this plane engine combination.
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Old 02-25-2012, 10:59 AM   #137
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Quote: Originally Posted by JIMZACH
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So henry, first id like to apologize if i sounded rude didnt mean to. But i understand what your saying.
No problem at all Zach, just good to talk about all this stuff
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Old 02-25-2012, 11:28 AM   #138
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O.o dad! When did you get so cool ?!
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Old 02-25-2012, 11:32 AM   #139
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O.o dad! When did you get so cool ?!
Don't know, I've always been like this, I'm surprised you didn't notice sooner
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Old 02-26-2012, 07:00 AM   #140
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Hey henry any progress made this weekend ? Im very intrested to see how your coming along. Ive got some covering down on mine and its coming along very nicely. Cant wait for it to be done !!! I need my new bird so i can win !! I got up early today went out to the workshop and started jamming some tunes and working on the plane lol
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Old 02-26-2012, 09:13 AM   #141
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Quote: Originally Posted by harv
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how light would you wanna go with a plane that size. for a 124" wing, wouldnt anything less than 40lbs be too floaty?
Just a reference and not trying to hijack, but my Dalton 300 is 123" wing, and 38.5# with a 150 on it. It isn't as floaty as one would think.... It doesn't fly heavy at all. It is "just right!"

Back to the regularly scheduled thread!!

Nice progress!!!
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Old 02-26-2012, 09:26 AM   #142
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Quote: Originally Posted by Henry Piorun
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The one I have now weighs 44 pounds, which was sort of shocking to me when I first weighed it. It flys fine at that weight but honestly I can't say it way over powered. I know there are a number of places where I can save considerable amounts of weight. For example take the fuel tank, I'm using a B&B specialties tank in the old one, switching to a Du-Bro tank will save 6 oz. That's just a simple off the self item. I really would like to get it in the 40 to 41 pound range, I think that would be ideal for this plane engine combination.
You should be able to make around 40 pounds pretty easily with the cf truss construction and various other things like removing on the belly pan, using a pop bottle tank, etc. Trevor Brum on RCC made his 43% Carden Edge 540 around 36 pounds but he's nuts
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Old 02-26-2012, 09:30 AM   #143
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Hey Henry, not sure if you mentioned it but are you using Durant system in the rudder? I have a dual servo Durant install in the rudder of my Carden PRO and this can eliminate a few extra ounces as well.
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Old 02-26-2012, 11:02 AM   #144
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Quote: Originally Posted by JIMZACH
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Hey henry any progress made this weekend ? Im very intrested to see how your coming along. Ive got some covering down on mine and its coming along very nicely. Cant wait for it to be done !!! I need my new bird so i can win !! I got up early today went out to the workshop and started jamming some tunes and working on the plane lol
Perfect, sounds like a good day!
I try and work on it a little bit every day. I know when you are at the stage you are at it's like "come on, isn't this thing done yet". That's what I felt like when I was covering the last one!
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Old 02-26-2012, 11:04 AM   #145
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Quote: Originally Posted by capcanuck
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You should be able to make around 40 pounds pretty easily with the cf truss construction and various other things like removing on the belly pan, using a pop bottle tank, etc. Trevor Brum on RCC made his 43% Carden Edge 540 around 36 pounds but he's nuts
That's crazy, I'm going to have to check that out, 36 pounds!!
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Old 02-26-2012, 11:08 AM   #146
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Hey Henry, not sure if you mentioned it but are you using Durant system in the rudder? I have a dual servo Durant install in the rudder of my Carden PRO and this can eliminate a few extra ounces as well.
I am using one, actually working on it and documenting it now. The only trouble was, I go to order the direct drive unit about a month ago and find out John Durant is not making them anymore. AHH! Oh no, what now. After a little bit of panic I decided to make my own, it worked out pretty good, I will be posting pictures of that shortly.
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Old 02-26-2012, 12:09 PM   #147
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OK, so this is an idea from "Fixed wing's" build thread. It's a balsa tube that's glued into the back of the fuse to run the elevator and rudder servo cables through. It's very light and keeps all those cables from floping around back there.
It's also very easy to make, find a very light and bendy 1/16 peice of balsa sheeting. Cut the width so it just wraps around a 3/4 tube. I used a 3/4 inch aluminum tube but anything would work, a broom handle, ect.
Thoroughly wet down the sheeting with warm water and wrap it around the tube, I held it in place with a few rubber bands and some tape. Let it dry, I just put it on top of a base board heater and it was dry in about 20 minutes.
Once it's dry it holds it's shape pretty good but to make gluing the joint a little easier I found a slightly larger peice of tubing, I had some 7/8 lying around. Slide the balsa tube into the larger tube, this helps hold the balsa while gluing the joint together with thin ZAP. Give the joint a light sanding and now you have an awesome , light balsa tube!
I also made some little lite ply rings to toughen up the ends and a couple of lite ply mounting brackets to hold the tube in place.
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Old 02-26-2012, 01:53 PM   #148
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Henry

Your build is looking great also,

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Old 02-26-2012, 04:07 PM   #149
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Old 02-26-2012, 08:05 PM   #150
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Stick with me young grass hopper, you will learn much
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