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RE: RE: - 3/1/2012 9:20 AM   
AmishWarlord



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Status: offline 		Sounds good but the Gremlins will get into your plans and redraw the parts differently again.

You'll be like, "Damn it! I traced these parts from the parts that I used! Why are they the wrong size now"?


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RE: RE: - 3/1/2012 11:58 AM   
bps



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Status: offline 		I can feel your pain on the parts fit issue. I am digitizing the files for laser cutting and it is a huge task as many steps are involved. First draw the part and then compare it to the plans sheets, then make adjustments until the fit looks perfect. Once I am happy with that then print the part out full size and compare to the plans, more adjustments and check for fit once again. After all that the part can be cataloged for the parts sheet. Last step is to redraw the part allowing for the laser kerf. So I wind up with two files, one the on size drawing file and one the laser cut file. Last step is to cut the part and build from that, meaning more adjustments might be needed.

On the issue of the wing ribs. I caught that early on that the sizes on the parts sheets just did not match. The major area of concern for me is the placement of the spars and the way they line up. Choose either the vertical alignment or with the airfoil. This means that either the top of the spar will need to be sanded or the vertical alignment will be off meaning that any sheer webbing will not be in full contact with the vertical faces of the spars.

I really wish I could get my hands on a Nosen kit to have something to compare to. Just missed on Ebay a while ago. Perfect time to do this while I recover from a hip replacement.

Keep the pictures coming builders, this is inspiring to say the least!

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Giant Scale P-47, Knight Twister, 33% BD-8, 40% Gee Bee Z, 25% Dr1, 25% Clip Wing Cub, #45 Bud Nosen 310 Club

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RE: RE: - 3/1/2012 1:32 PM   
Thisstrangeengine



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Status: offline 		I found out about the spars as well after my dry fitting. I'm using spruce spars and I was thinking about adding some thin balsa stock to the top of the spars to bring them up to level with the ribs and then sanding the excess off to the rib shape. I want full contact with the sheeting because I'm anal like that! Definately doing shear webs throughout the wing even if it's overkill. Small amount of weight gain but adds lots of strength! I'll probably start building the wing tomorrow after fitting the ply rib doublers. I just want to see some progress for all the work I've done up until now...

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RE: RE: - 3/2/2012 6:51 PM   
Thisstrangeengine



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Status: offline 		Well here is what I got done today. I have all the parts fitting where they should and installed the wing tube sockets to check the alignment. Everything looks good so I'll glue it up tonight. Just thought I would include a photo of the progress.


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RE: - 3/2/2012 8:16 PM   
bps



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Status: offline 		Look'n good!

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RE: RE: - 3/3/2012 1:39 AM   
Thisstrangeengine



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Status: offline 		Thanks, that top spar looks warped, but it's just sitting there for alignment purposes as is the short one in the rear. I eyeball the panel from both sides and back to front before I glue anything. I have to cut the sockets to length also, those are just slid in place. Still have to decide where I'm gonna run the servo wires and cut holes for that. I have some long drill bits for that so that'll be easy.
Another hurdle in my progress...I broke my bandsaw blade, so now I have to get another tomorrow. Luckily Sears is only 5 or so miles from me. I have a few other blades but the one I broke is my wider fine-tooth blade which gives me straighter cuts. Oh geez.

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RE: RE: - 3/3/2012 11:30 AM   
Clavin01



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Status: offline 		Looking Good Thisstrangeengine

Keep the updates coming. with Pictures of course.

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RE: RE: - 3/3/2012 2:19 PM   
mistermnkim



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Status: offline 		I got the beautiful box my friend!!! Thanks!!

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RE: RE: - 3/4/2012 1:54 PM   
Thisstrangeengine



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Status: offline 		Good Morning Everyone,
Just a quick update: I got the right center panel all glued up minus the sheeting, landing gear blocks and wing tube sockets.( leaving sockets loose until I finish the outer panels)
I started fitting the left panel together, cutting the notches for the spars and other parts in the ply rib doublers and have 3 of them glued and drying at this moment. Two more to go then I'll start glueing the left panel together. The reason I am doing the wing first rather than the fuselage is because of the fit to the wing saddle. The ribs from the pattern sheet I cut just dont fit the wing saddle on the fuse drawing, so when the wing is sheeted, I can custom cut the wind saddle (and nacelle sides which are also wrong) and fit them to the fuselage drawing and put everything in else in place.
I will upload more pictures when I have both center panels dry fit together with the dihedral braces in place. Once I'm happy with the joint I am going to add the shear webs to the front and rear spars. then go from there.
Thinking ahead of myself a bit, I might also be adding shear webs to the horizontal stabilizer just for added strength.

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RE: - 3/4/2012 6:23 PM   
bps



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Status: offline 		Yes parts fit is an issue with the parts page. I have almost all of the wing ribs redrawn and have them checked against the fuse side view. Thats the bonus in using digital drawing tools. Once I have this finished then then I will be most happy to share them. Please keep the pics coming your doing a great job! I am looking forward to starting mine.

Can you tell me how many balsa sheets are needed for the wing ribs?

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Giant Scale P-47, Knight Twister, 33% BD-8, 40% Gee Bee Z, 25% Dr1, 25% Clip Wing Cub, #45 Bud Nosen 310 Club

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RE: - 3/5/2012 5:02 AM   
Thisstrangeengine



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Status: offline 		I got three of the larger ribs from one 3x36 inch sheet. I didnt count the rest but I know I laid them out to minimize my waste.

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RE: RE: - 3/5/2012 11:11 AM   
bps



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Status: offline 		Thanks. I am just about finished with the digital drawing of the ribs, so a sheet layout it on the horizon.

Here is a full size pdf of rib W1. I have aligned the spars so that sheer webs can be glued to both the front spars and rear spars. This means that the tops of the spars will need to be beveled in order to install the wing sheeting. Outer panels will not have sheer webs so those spars can be tilted to get away from having to bevel the tops of the spars for full sheeting contact.

Attachments
Click to see the file in new window.Attachment.pdf


< Message edited by bps -- 3/5/2012 5:54 PM >

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RE: RE: - 3/5/2012 10:37 PM   
Thisstrangeengine



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Status: offline 		SWEET!!!
I glued the rest of the ply doublers to the ribs this morning after work, so the left wing panel is ready for glueing together. Once that's finished, I will upload some more pictures.

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RE: RE: - 3/6/2012 5:43 AM   
Warbirdguy



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Status: offline 		bps,

What airfoil did that come out to be?

WBG

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RE: RE: - 3/6/2012 6:19 AM   
Clavin01



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Status: offline 		Hello All
I was wondering, Does anyone out there is Nosen Land have a set of cowls
They do not intend to use? My 310 is close and I can use my cowls for now
But would like to get a new set as the one's I have are cut up pretty good
by haveing multiple size motors mounted. Let Me know.
Thanks Cliff

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RE: RE: - 3/6/2012 7:12 AM   
AmishWarlord



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quote:

ORIGINAL: Warbirdguy

bps,

What airfoil did that come out to be?

WBG


Yeah what airfiol is one this thing? NACA 2412?

Any one switch to a diffrent one like a Clark-YH, or a NACA-2013?

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RE: RE: - 3/6/2012 11:04 AM   
bps



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quote:

ORIGINAL: Warbirdguy

bps,

What airfoil did that come out to be?

WBG


I have no idea what airfoil Bud Nosen used on this plane. This rib is just drawn to best reflect the plans side view, and the rest of the ribs to match the parts sheet. All of the notches in the ribs are now sized correctly and the entire rib profile cleaned up a bit. Still finishing up on this part.

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Giant Scale P-47, Knight Twister, 33% BD-8, 40% Gee Bee Z, 25% Dr1, 25% Clip Wing Cub, #45 Bud Nosen 310 Club

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RE: RE: - 3/6/2012 11:25 AM   
Bill Diedrich



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quote:

ORIGINAL: Clavin01

Hello All
I was wondering, Does anyone out there is Nosen Land have a set of cowls
They do not intend to use? My 310 is close and I can use my cowls for now
But would like to get a new set as the one's I have are cut up pretty good
by haveing multiple size motors mounted. Let Me know.
Thanks Cliff



Give Greg @ G & L Hobbies a call he should be able to ship you a set out fairly quickly
931 528-9312. or you might call Fiberglass Specialties, 479 359-2429, they both have
cowls for the Nosen Cessna 310 available.

http://www.fiberglassspecialtiesinc.com/catalog.htm

http://www.glhobbies.com/acessories/accessories.html

Greg shows a set with the nacelles and tips but I'm fairly sure he will sell just the cowls.........

Bill D.

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RE: RE: - 3/7/2012 2:15 AM   
Warbirdguy



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Status: offline 		I have done some research and this is what I came up with. The Cessna 310 used a NACA 23018 for the root and a NACA 23015 for the tip. Here is what the root would look like, profile wise. You be the judge on how close it is



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RE: RE: - 3/7/2012 7:16 AM   
AmishWarlord



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Status: offline 		LOL thats funny. I just used the NACA 23018 on the plane I'm building now.



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RE: - 3/7/2012 10:51 AM   
bps



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Status: offline 		Nice work on the research. How much washout if any are you guys planning?

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RE: RE: - 3/7/2012 1:59 PM   
Thisstrangeengine



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Status: offline 		Washout! What's that? Just kidding... I wasnt planning on any washout myself since there is no mention of it in the instructions. Been thinking about the flaps though and wondering how I might do them. I have to find some pictures of the full scale flaps and try to make them somewhat scale as far as size goes, but I'm thinking of a couple ways of attachment and hinge points. Nothing to share as of yet, but if I come up with something interesting I will post pics. I have one more night at work and then I can get back to work on the left wing panel...

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RE: RE: - 3/7/2012 2:33 PM   
Warbirdguy



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Status: offline 		On most designs that use a tapered wing, generally speaking, there is no washout. The tapered design is the washout. But, if I was going to put some in reguardless, I would probably do 1 to 2 deg and no more.

About the flap. Im not sure how the full size is. Guess I need to make a trip to the airport lol.

Now, just for fun, can any of you identify this baby? There are hints all over it if you look closely.


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Click for fullsize 		Click to see fullsize image.
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RE: - 3/7/2012 2:44 PM   
bps



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Status: offline 		That was my thinking on the washout as well. Thanks for the input.

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Giant Scale P-47, Knight Twister, 33% BD-8, 40% Gee Bee Z, 25% Dr1, 25% Clip Wing Cub, #45 Bud Nosen 310 Club

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RE: - 3/7/2012 4:40 PM   
bps



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Status: offline 		What are most folks using for wing tubes and sleeves and where is the best place to purchase? Thanks

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