The foamboard failure is the thing that the proposed technique was submitted to prevent/combat. Sure coffee stirrers and music wire will work but they come with a weight penalty which can make some Minis almost impossible to build light and achieve proper balance! Additionally there is nothing more maddening than buying a kit only to find that you need to buy extra parts, (not listed or even mentioned at the time of purchase), just to complete the build!Coffee stirrer straws with appropriate music wire hinge pin full length in the style Lufthouse uses. The foamboard fails before the hinge and they hot glue on.
Nice info but unless the Biplane was made from Foamboard it has little bearing upon the original suggestion.So I was at the Yanks Air Museum in Chino, CA and noticed how tiny the hinges are for the elevator and rudder if this biplane (forgot to note what model). It's incredible to me how three tiny bolts can hold each side of the elevator! View attachment 126036 View attachment 126037 View attachment 126038
Good, then let's not... (have a urinating contest)...It was not my intention to start a thread, (Urinating contest), that lists them all but rather to propose a solution that helps remedy the original weakness.
I take on your comment as to the naming preference I chose for this thread but then the use of "How I solve Standard FoamBoard Hinge weakness" or similar would be just another post to bring the attention what could be considered as just another personal preference among many! The thread was raised to highlight weakness in Foamboard hinges and to propose an alternative method of doing Foamboard hinges for greater strength and even longevity! Maybe even bring it to the attention of the FT crew themselves for serious consideration!Good, then let's not... (have a urinating contest)...
Perhaps if you had started this thread with "How I solve Standard FoamBoard Hinge weakness" it might have better served your purpose.
As it is, I (and apparently many others) took it as an open discussion on solutions for hinges.
The wonderful thing about this community is the willingness of it's members to reach out, to discuss and share knowledge (all in a friendly manner.) I see no one pissing on your idea, but simply other members doing what we do best (sharing and caring.)
I for one am certainly willing to give your idea a try. I am a little concerned about it binding unless significant clearance is made between the different sections (because as you know, those surfaces can/will twist under the forces in flight) but the proof is in the pudding as they say.
I hope you can take a breath and take mine and the other suggestions, not as a threat on the validity of your design, but the communities response to what was apparently an open discussion.
We should all be having fun!
Perfect! Your head *MIGHT* be harder than mine. I don't have the helmet, but then I don't need it!! If my skull was any thicker you'd have to glue my eyes to the outside.@buzzbomb You finally figured it out and then broadcast it to the entire forum. There is not much harder than a head made of bent and riveted steel plates! Hence the avatar!
I don't bust my wrists normally, (I reserve that for special occasions). Sometimes I do get too focused but then it does help when tackling that big problem!
I have vented my spleen on this so I will let other forum users settle this for themselves now! My view has been put clearly! Mind you I will watch and answer questions or discuss any issues that users may have.
As always, Have fun!
JUST FOR YOU!Perfect! Your head *MIGHT* be harder than mine. I don't have the helmet, but then I don't need it!! If my skull was any thicker you'd have to glue my eyes to the outside.
This is not an off topic post, though. Methods of making a bevel. You haven't commented on the picture.
Did you really think I'd let you get away with that weak-a$$ reply? You still haven't said how it was done, and you are wrong (I hope) about the weakness.JUST FOR YOU!
The bevel looks quite well done! Perhaps better than I could achieve using the same methods.
Just be careful with the length of the aileron and its tendency to want to curl and thereby cause the wing.aileron to delaminate at one or both ends in the future.
Nice work!
have fun!
You obviously did it on the Golf course and you used an iron!Did you really think I'd let you get away with that weak-a$$ reply? You still haven't said how it was done, and you are wrong (I hope) about the weakness.
I'm throwing this out not only at you, Hai-Lee, but @kilroy07, @Merv, @Keno. What method did I use to make that to me, awesome bevel? No cutting. No gluing. Just the paper completely protecting the foam, on a wonderful bevel.
I'll give you a hint. I got it from @FDS.
Hole in one!You obviously did it on the Golf course and you used an iron!
have fun!
You are correct This problem is one that has been kicking me in the REAR for a very long time. From my own limited experience you can glue the ends of the hinge line but with time it still can distort and separate. When the ends of the hinge line are held firm the centre can start to bow upwards or downwards unless supported or stiffened with a skewer or similar. The larger the span of the control surface the worse it gets and sooner it occurs.I was messing with a project a while back and ended up delaminating a hinge during the build trying to keep a control surface out of my way.
All I did was dry brush a li e of white gorilla wood glue the length of the hinge and re laminate the paper. Layed another bead of hot glue down as normal and wiped it all away.
Why not just pre delaminate a quarter inch of paper at the hinge, tack it back down with the wood glue, then do the standard hot glue reinforcement when that dries.
Super simple no noticible weight gains and super strong. Works with any of the ideas mentioned in this thread.