Cox Engines Forum
You are not logged in! Please login or register.

Logged in members see NO ADVERTISEMENTS!


A Quick and Dirty CA Hinge Installation Cox_ba12





Log in

I forgot my password

Search
 
 

Display results as :
 


Rechercher Advanced Search

Cox Engine of The Month
January-2022
Mark Boesen's

Twin Needle Thermal Hopper with a Cage Mount.



PAST WINNERS
CEF Traveling Engine

Dick Russ Models
Win This Engine!
Forum Store
CEF Ear Savers
Gallery


A Quick and Dirty CA Hinge Installation Empty

A Quick and Dirty CA Hinge Installation

Go down

A Quick and Dirty CA Hinge Installation Empty A Quick and Dirty CA Hinge Installation

Post  batjac Wed Sep 02, 2015 1:42 am

Someone emailed and asked me for some help on CA hinges, so I threw together a little video.  I started on it after bedtime, so I just shot it, cut it, and uploaded it fast without adding any title page or captions.  Gotta get my beauty rest, y’know…



The Dirty Mark
batjac
batjac
Diamond Member
Diamond Member

2020 Supporter

Posts : 2048
Join date : 2013-05-22
Age : 58
Location : Broken Arrow, OK, USA

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty Re: A Quick and Dirty CA Hinge Installation

Post  akjgardner Wed Sep 02, 2015 2:20 am

Thanks for that Dirty Mark. I liked the way you bent them in the middle, I am going to start doing it that way
akjgardner
akjgardner
Platinum Member
Platinum Member

2020 Supporter

Posts : 1102
Join date : 2014-12-28
Age : 62
Location : Milan Indiana

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty Re: A Quick and Dirty CA Hinge Installation

Post  rsv1cox Wed Sep 02, 2015 6:16 am

Well done.

My Camel bought at a flea market has those hinges but are unsecured. I think I will use your system when I get around to finishing it. But, how did you cut the slots?

A Quick and Dirty CA Hinge Installation F4_cam10

A Quick and Dirty CA Hinge Installation F4_cam11
rsv1cox
rsv1cox
Top Poster
Top Poster

2020 Supporter

2021 Supporter

Posts : 7242
Join date : 2014-08-18
Location : West Virginia

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty Re: A Quick and Dirty CA Hinge Installation

Post  NEW222 Wed Sep 02, 2015 4:15 pm

Good video. I like the way you pre - work the hinges.
NEW222
NEW222
Top Poster
Top Poster

Posts : 3573
Join date : 2011-08-13
Age : 43
Location : oakbank, mb

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty Re: A Quick and Dirty CA Hinge Installation

Post  RknRusty Wed Sep 02, 2015 8:59 pm

@akjgardner wrote:Thanks for that Dirty Mark. I liked the way you bent them in the middle, I am going to start doing it that way
Ditto that. I've avoided CA hinges like the plague, but I might give them a try now. I think I'll sticky this thread. Ken suggests I use them on the flaps for my current repair. I wish I hadn't already punched holes for stitches. But I may use one at the innermost end of each flap, since there is a wider gap there.
Rusty

_________________
Don't Panic!
...and never Ever think about how good you are at something...
while you're doing it!


My Hot Rock & Blues Playlist
RknRusty
RknRusty
Rest In Peace
Rest In Peace

2020 Supporter

Posts : 10869
Join date : 2011-08-10
Age : 65
Location : South Carolina, USA

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty Cutting hinge slots and beveling

Post  batjac Thu Sep 03, 2015 9:29 pm

Thanks for the comments, Guys.

To answer how I cut the slots, I went ahead and did a second vid on slotting and beveling.



Here's a link for the Great Planes tool.  The Goldberg tool you'll just have to hope to find on your local hobby shop shelf as NOS.



Hope it helps,
The Dirtier Mark
batjac
batjac
Diamond Member
Diamond Member

2020 Supporter

Posts : 2048
Join date : 2013-05-22
Age : 58
Location : Broken Arrow, OK, USA

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty Re: A Quick and Dirty CA Hinge Installation

Post  getback Fri Sep 04, 2015 7:29 am

Thanks Mark , That's the way a friend I was building /flying with years ago had showed me and I had forgot how to wick the CA bend and exercise , after I had heard so many on here say that it would stiffing the hinge unusable . I will have to give this a try again // stitched hinges are nice but ... take time and sometimes I just don't have it for building // we never taped over but did mono-cote yes it was larger RC planes 40 size RC Plane
getback
getback
Top Poster
Top Poster

2020 Supporter

2022 Supporter

Posts : 8439
Join date : 2013-01-18
Age : 64
Location : julian , NC

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty Re: A Quick and Dirty CA Hinge Installation

Post  PeterJGregory Sun Feb 14, 2016 10:20 pm

Good techniques, thanks for the share.
PeterJGregory
PeterJGregory
Gold Member
Gold Member

Posts : 139
Join date : 2014-07-28
Age : 59
Location : Hudson Valley, New York

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty Re: A Quick and Dirty CA Hinge Installation

Post  roddie Mon Feb 15, 2016 2:39 pm

Those are cool tools. I cut my 1/2A hinge slots with an X-acto knife too.. and have been using Sig Easy-Hinges. I use the #17 chisel blade and a "step-plate" at the edge of a table-top. The #17 blade is 1/4"w. This photo shows a piece of 1/8" balsa. I find/make a small rectangular step-plate (approx. 1/2" x 2") from 1/16" thickness stock. Could be plywood, plastic/laminate or in my case I had .060" aluminum handy. I place it at the edge of a tabletop with the balsa behind it and sometimes a fence clamped behind the balsa. It gauges to the center perfectly and guides the blade into the edge squarely. The blade is positioned on the step-plate with the ground bevel on it's end, facing up. Working off the edge of a table keeps the knife's collet/handle from contacting the work. I use my left hand to firmly hold the work-piece down.. and my right hand for exerting firm finger-pressure on the blade, which holds it down and keeps it square. A careful rocking/pushing action into the wood takes just seconds to complete. The #17 blade is long-enough to make a deep slot.. and you can mark the blade for depth of cut too. Marking the "up" side of the blade also helps prevent from using the wrong side. You want to see the chisel's bevel facing up.. or else the slot will be off-center.  

A Quick and Dirty CA Hinge Installation Roddie10

For comparison.. the #18 chisel blade is 1/2"w. and fits the larger collets/handles. 1/2" is much wider than I cut my hinges. I typically cut mine 1/4" to 5/16"w. x 1" long and round the edges like Mark does.

I just made this example with the wider #18 blade this morning. It took longer to post one pic than it did to cut three slots. I used a maple strip for a backing-fence.. C-clamped to the tabletop, which helps keep my concentration more on the hand doing the cutting. I had to shim-up my step-plate with tape on the bottom, to equal 1/2 the thickness of this particular piece of balsa stock. It's well worth the effort to make a good set-up. Most often.. a 1/16" thick plate is going to be perfect for 1/8" balsa.

A Quick and Dirty CA Hinge Installation 18_chi13
A Quick and Dirty CA Hinge Installation 18_chi14

Just another way to do it.. I like Mark's Goldberg tool for tapering. The Dubro hinge-slotting tool can be used to scribe the center of an edge up to 1/2" thick. A thumbtack fits snug in the slot of either of the two slotted attachments.

This qualifies as "quick and dirty" I think.

A Quick and Dirty CA Hinge Installation Dsc03129
A Quick and Dirty CA Hinge Installation Dsc03130
A Quick and Dirty CA Hinge Installation Dsc03131

I've wanted to make a V-angle sanding block for tapering. My thoughts are using two 36" lengths of 3/4" light-gage aluminum angle-stock with abrasive paper on the outside face(s). The pair would fit (angles facing up) into a 36" long groove/slot cut in a board with end-blocks to keep them from sliding. A slot would support the whole length of the angle-stock. The outside of the angles can be shimmed-up with blocks, to establish the taper you desire.
roddie
roddie
Top Poster
Top Poster

Posts : 7380
Join date : 2013-07-17
Age : 61
Location : N. Smithfield, Rhode Island

http://www.stilburnin.com

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty Re: A Quick and Dirty CA Hinge Installation

Post  fredvon4 Mon Feb 15, 2016 2:54 pm

Just a note to say....CA hinges are NOT the best way for Control line models as they are way too stiff

I admit I like them for servo controlled surfaces but prefer MUCH loser hinges for CL models....favoring sewn or pre-made barrel hinges... I even make my own barrel hinges frequently from CF rod and CF tube but it is an acquired technique

and the tried and true method of a brass / aluminium tube with piano wire pin works well with zero stiffness

OTOH this set of posts are excellent ways to locate and use the danged things

again not Poo Pooing the methods of using the CA hinges....just that they are usually too stiff for 1/2a use IMO
fredvon4
fredvon4
Top Poster
Top Poster

2020 Supporter

2021 Supporter

2022 Supporter

Posts : 3748
Join date : 2011-08-26
Age : 66
Location : Lampasas Texas

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty Re: A Quick and Dirty CA Hinge Installation

Post  roddie Mon Feb 15, 2016 6:03 pm

I agree Fred. I used to use the small Dubro pinned-hinges.. but they took a lot of time and care not to break-through a 1/8" thick control surface using their hinge-slotting tool and wood pick. They do however permit the elevator/flap (sans linkage) to deflect downward with gravity alone. A CA hinge is not going to do that. As I mentioned for 1/2A size airplanes.. I cut the CA hinges to about 1/4" width.. and I'm careful not to use more than needed to get the job done. They're QUICK.. when compared to most other methods of hinging. I need all the help I can get when it comes to cutting down on building time! Laughing

roddie
roddie
Top Poster
Top Poster

Posts : 7380
Join date : 2013-07-17
Age : 61
Location : N. Smithfield, Rhode Island

http://www.stilburnin.com

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty Re: A Quick and Dirty CA Hinge Installation

Post  fredvon4 Tue Feb 16, 2016 9:07 am

Roddie said "I need all the help I can get when it comes to cutting down on building time! Laughing
"

could not agree more...been working off and on with 5 simultaneous builds since last September and just now starting the covering

My production line method did not work out as planned

I must have missed the cut down to smaller (reading too fast some days.) but I can see where that technique would work fine for many 1/2a models with the CA hinges
fredvon4
fredvon4
Top Poster
Top Poster

2020 Supporter

2021 Supporter

2022 Supporter

Posts : 3748
Join date : 2011-08-26
Age : 66
Location : Lampasas Texas

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty CA Hinges

Post  musman69 Thu Dec 16, 2021 1:17 pm

Thanks Mark, just in time for the Flite Streak FredVon sold me.
Randy
musman69
musman69
Moderate Poster
Moderate Poster

Posts : 13
Join date : 2021-11-17
Age : 67
Location : Rosharon TX

Back to top Go down

A Quick and Dirty CA Hinge Installation Empty Re: A Quick and Dirty CA Hinge Installation

Post  Sponsored content


Sponsored content


Back to top Go down

Back to top


 
Permissions in this forum:
You cannot reply to topics in this forum