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RE: Vailly Aviation Hawker Hurricane Build Thread - 10/10/2011 4:19 AM   
dubs1946


 

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Hi Stan you are going to be busy as i have you down for flight judging and the new judging for scale static during the lunch time.
Went to the field Sunday and it was again to wet and soggy for any big stuff so at least another week to dry out thats if it does not rain again.Hopefully my Hurricane and my P47 will be ready for scale day so with any luck a formation of big stuff could happen.
Dave.

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RE: Vailly Aviation Hawker Hurricane Build Thread - 10/30/2011 12:31 AM   
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I started work on the center section today. I like to make the gear rails on the gear and then fit it to the ribs, so that if I need to do some sanding or carving to make the slots in the ribs better, I can do it before it's assembled. If the rails are not lined up right they can /will induce a twist to the mount which can cause binding. So I assembled the rails on the gear and then made some temporary cross peices to keep them at the correct dimensions. Then some test fitting on ribs 3 and 4 to make sure the slots are right, and it's CA time.


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RE: Vailly Aviation Hawker Hurricane Build Thread - 11/6/2011 2:26 AM   
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Got both center sections done. I cut all the spars first so that they will help align the ribs.


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RE: Vailly Aviation Hawker Hurricane Build Thread - 11/6/2011 2:39 AM   
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On to the outer wing panels. I read over Roy's tips on how to build in the proper incidence angle (2 degrees on the wing per the plan). Then I tack-glued a peice of spruce stringer along the center line of the root and tip ribs, to give me something to rest the incidence meter on. Then I set the root and tip rib on the main bottom spar and then slid another piece of spar material up under the rib until the root was at 0 degrees and then the tip was set at 2 degrees. Then I glued all the ribs onto the bottom spar, then added the top spars to lock it in. One of the differences between the PCK cut kit and the Lazer Lizard cut kit is that LL has one build the aileron separate from the wing, as opposed to building on the wing and cutting it free. We'll see how the methods compare......





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RE: Vailly Aviation Hawker Hurricane Build Thread - 11/13/2011 10:45 PM   
DaddySam


 

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I'm getting to the part of the build which is really intriguing to me: the fitting of the landing gear rails and landing gear. Since I'm most concerned with how the Shindin gear, which does not rotate, will fit, I'm doing that one first. I've done a preliminary removal of rib #2 to make a wheel well, although I am hesitant to hog it all out at once. So I have one gear set in and the well opened up. It fits retracted and extended, and my next step will be to make a practice landing gear strut cover to mount to see how that will fit.
Sam

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RE: Vailly Aviation Hawker Hurricane Build Thread - 11/14/2011 1:39 AM   
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I used the BT plan (enlarged) for the door outline and guestimated the jury strut cover. I glue-sticked the template to a peice of cardboard so it would have some stiffness. I think the results are good, both retracted and extended. Good enough that I am going to make some doors out of thin ply, which when I glass the plane I'll sandwhich between some fiberglass while forming it over the wheel wells for the correct contours. The jury strut will be purely cosmetic - I may use something like some half round painted silver on the inside of the strut cover to simulate the strut itself. Hopefully I can now move to covering the rear top of the center section in preparation for the flaps. I intend to use G10 for the surface of the upper underside and of the flap itself. But I'm getting ahead of myself!


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RE: Vailly Aviation Hawker Hurricane Build Thread - 11/14/2011 5:22 AM   
IFLYRC-RCU


 

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Nice build !

Been watching for some time ...

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RE: Vailly Aviation Hawker Hurricane Build Thread - 11/15/2011 3:02 AM   
DaddySam


 

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Thank you for the kind words. I hope that now the landing gear "hurdle" is over with, I can make some more progress. The weather here is quickly turning into winter so I will probably be spending more time inside building.
Sam


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RE: Vailly Aviation Hawker Hurricane Build Thread - 11/27/2011 2:46 AM   
dubs1946


 

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Stans selling his Vailly Hawker Hurricane for the cost of the gear in it the ad has just been put up on our web-site have a look.
http://www.wrcs.org.au/forums/11/324
Somehow i don't think it will be there for long .
Stans bought a Mick Reeves 110 inch with all the bits and needs the dough to finance it.
Be quick or miss it.

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RE: Vailly Aviation Hawker Hurricane Build Thread - 11/27/2011 3:16 AM   
DaddySam


 

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Sorry to hear that Stan is selling - I assume it means it never really was what he'd hoped for. I have been working on mine but was detoured by several projects- such as making my older son a work bench for models and other projects!


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RE: Vailly Aviation Hawker Hurricane Build Thread - 12/2/2011 2:11 PM   
DaddySam


 

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I'm getting ready to join the wings to the center section and this is one of those areas where it's obvious that this is my first build from plans, as I am very hesitant. On the trial set together, I noticed first that the wing joiner slots are off a few mm. How this is I don't know. They match the plans and I built the center section over the plans. Oh well. I also noticed that the LL wing joiners were cut from lite ply whereas the PCK joiners are cut from aircraft ply - much stronger. as this will be an important joint I cut new ones from aircraft ply, but unfortunately I cut the slots in them before trial fitting. Live and learn. Second thing is that the either the root rib of the wing section or the end rib of the center section will need to be slanted to acommodate the dihedral. I should have thought of that earlier. Third the rear spar should extend out from the center section two rib bays, "kerfed" at the joint to allow it to bend with the wing tip section. My solution will be to free the end ribs of the center section and slant them, and replace the rear spar.
In these pics you can see the need for the slanted ribs. Also I measured from the plans to find a spot near the wing tip to measure 3" from the board to brace the wing up to get the correct dihedral angle.

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RE: Vailly Aviation Hawker Hurricane Build Thread - 12/2/2011 2:13 PM   
DaddySam


 

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In order to keep the wings straight I am going to use a laser level. I bought a couple of these through Hobbyking years ago and have been waiting for a chance to try them. I think they will work great.


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RE: Vailly Aviation Hawker Hurricane Build Thread - 12/2/2011 2:17 PM   
DaddySam


 

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Another issue is keeping the washout built in. I found that by merely bracing the wing near the tip on the spar, it caused the washout to be irregular - anything from 0 to 4 degrees, and I built in 2 per the plan. I bought another new toy, a "Bevel Box", originally to measure the pitch on my helicopter blades as I go "Flybarless" but also to mount on the incidence meter to help measure angles just like this one. It's actually meant for a saw blade to set the angle.
I intend to join the wings with a second brace on the trailing edge and then add all the shear webs to help keep the "twist" built in. If that is not enough, I"ll sheet the tops of the wings while on the stands.


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RE: Vailly Aviation Hawker Hurricane Build Thread - 12/2/2011 3:55 PM   
Edwin


 

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Sounds to me like you got a good plan. Not much that I could add other than I use angled aluminum sometime to help hold a wing straight. The lasers are a good idea to. The more ways to double check the better. This is one of those all important make or break tasks in a build.
Edwin

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RE: Vailly Aviation Hawker Hurricane Build Thread - 12/7/2011 9:56 PM   
Me410


 

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Having built many warbird wings over the years, i have found that the final sheeting ( top or bottem )  seems to be the only thing that holds/locks the washout inplace. I suppose one could build lots of cross bracing in the wing to try and hold it, but that just adds extra weight.  My last couple of wings I built a jig out of dry straight 2x4  and mounted the wing with the washout set, then did the final sheeting. washout was spot on.

Following your build . I have the plans/ cowl/canopy/rad also, but may not start for a couple of years yet.

Tom

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RE: Vailly Aviation Hawker Hurricane Build Thread - 12/13/2011 2:00 AM   
P40N


 

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Hi Sam,
Try to avoid making the wing tip blocks as per the plan. The span wise cross section is are nothing like the full size. I made mine as per the plan and regret it every time I look at them. Pictures of full size attached.
Keep at it
Cheers
Stan

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RE: Vailly Aviation Hawker Hurricane Build Thread - 12/13/2011 2:14 PM   
DaddySam


 

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Tom, Stan, Edwin,
Thanks for the great information. I am leaning towards sheeting the bottom or top of the outer panels after gluing in the dihedral braces (after refitting and recutting the slots!) in order to lock in the washout. I enjoy the challenge of planning several steps ahead and you guys are helping a lot. Stan, I"ll have to check out the wingtips. I'll have to check out some three views to get the right profile.
I'm again detouring for a few weeks but hope to be back into it soon.
Sam


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RE: Vailly Aviation Hawker Hurricane Build Thread - 1/28/2012 7:42 PM   
DaddySam


 

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Joined the left wing panel last night and am trial fitting the gear rails now. Still need to convince myself that the gear doors will work extended and retracted, and it still looks like it will (with the Shindin gear). The join was not as neat as I'd like so I'll work a bit harder on the next one. I think I'll mock up a gear door out of something a bit stronger and maybe try to actuate the gear. Anyway, I've been off on other details, such as becoming a non-certified airsoft mechanic when my younger son's M4 airsofe AEG stopped working after a half an hour!


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RE: Vailly Aviation Hawker Hurricane Build Thread - 1/29/2012 12:35 AM   
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With the full sized Hurri does the gear door attach to the underside of the wing and pivot on the gear as it retracts/extends?
It twists as it actuates is that right? I know lots of guys have trouble with them on their models.

I have found an interesting picture.

Brad


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RE: Vailly Aviation Hawker Hurricane Build Thread - 1/29/2012 12:45 AM   
DaddySam


 

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Brad, It would seem that RCU is once again experiencing problems with timing posters out. Anyway, I've been fussing over this issue quite a bit and ended up changing the pintle angles to acommodate a strut that does not rotate. I "think" it will work. the door is attached to the strut and the jury strut cover is hinged to the underside. I may do it this way or I may cheat...not sure at this point. I should have a better idea in the next few days.
Cool Pics.


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RE: Vailly Aviation Hawker Hurricane Build Thread - 2/4/2012 6:33 PM   
DaddySam


 

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Today I started joining the wings from the LazerLizard cut kit. I have had the same issues with both sets of wings, in that if you set the outer ribs of the center section at 90 degrees and the root rib of the tip section at 90 degrees, you have no dihedral. In kits I've built they always give you a jig to set that angle, but not in the plans arena! So I recommend that a person not set the root rib at all before joining the panels (although it has to be at least tack glued so you can build in the washout). Two reasons: no matter how carefully I have built the inner and outer panels, when they are joined up spar to spar, they are not straight across. So in addition to setting the root rib on the outer panel at the correct dihedral, you can also trim the rear spars and front cap spar little by little till you get it straight across. The laser level does not lie!
That being said, I think it will all go together fine.
Another question: Does anybody else question the strength of the wingjoin? Two little dihedral braces, the landing gear rails, one rear spar that is "kerfed", and some butt joints seem to be all that is holding it together. I'm going to double the landing gear ribs and I think that will allow a lot more glue area to transmit strength from the rails to the wing joint.


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RE: Vailly Aviation Hawker Hurricane Build Thread - 2/13/2012 2:38 PM   
DaddySam


 

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I decided to redo the landing gear rails. I made a mount by laminating 1/4 and 1/8 " aircraft ply and then made the initial cuts based on the rail positions. I'll post some further pix later today (hopefully).

Sam



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RE: Vailly Aviation Hawker Hurricane Build Thread - 2/13/2012 8:25 PM   
DaddySam


 

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Some more shaping of the mount, using a cardboard template. Now to double some ribs and maybe try pinning the outer rib to the plate.

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RE: Vailly Aviation Hawker Hurricane Build Thread - 2/13/2012 10:27 PM   
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Looking GOOD!

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RE: Vailly Aviation Hawker Hurricane Build Thread - 2/13/2012 10:42 PM   
DaddySam


 

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Thank you for the kind words. Epoxy drying now, some pix later.


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