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Trouble making the nose ribs on the form block

 
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Curt.Thompson(at)verizon.
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PostPosted: Sat Aug 29, 2009 7:13 am    Post subject: Trouble making the nose ribs on the form block Reply with quote

Joe,

I’d recommend the “Scratch Building Basics for Metal Aircraft” DVD from HomebuiltHelp.com. It has some pretty good description on doing this and other things.

I’ve attached a picture of the fluting tools I have. Some are home-made – some are purchased. I also had one I made from rods welded to vise-grips but that broke. The two I finally ended up using was the one with the red jaw (broken and needs to be replaced) and the small one at the top (particularly for nose flutes).

Curt




From: owner-zenith701801-list-server(at)matronics.com [mailto:owner-zenith701801-list-server(at)matronics.com] On Behalf Of joe motis
Sent: Friday, August 28, 2009 7:16 PM
To: zenith701801-list(at)matronics.com
Subject: Re: Zenith701801-List: Fitting wings to fuse


Quote:

I am having a bit of trouble making the nose ribs on the form block. Using the vise grip fluting tool from Spruce but maybe the 3/8 rod tool shown in the prints would work better. Any helpful hints?



Joe Motis

750 plans and Pietenpol assistant
Quote:






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kmccune



Joined: 22 Sep 2007
Posts: 577
Location: Wisconsin, USA

PostPosted: Thu Sep 03, 2009 3:38 am    Post subject: Re: Trouble making the nose ribs on the form block Reply with quote

I can't figure out who posted the question but here is my $.02.

The scratch built video is a very good buy, it will get you going quicker.
The 3/8 in rod ( I use the skinny end of a small ball peen hammer handle) is pounded into the formed flutes on the block. This makes very nice flutes and is pretty easy and quick. I've only used the fluting pliers ( home made ones) for flattening the rib after it is out of the form block.

Hope this helps

Kevin


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bryanekholm



Joined: 16 May 2007
Posts: 25
Location: Minnesota

PostPosted: Fri Sep 04, 2009 8:23 am    Post subject: Re: Trouble making the nose ribs on the form block Reply with quote

I wish I would have had that info or thought of that technique while I was forming my ribs, etc. I think I ended up splitting the forming bocks at least twice to apply the flutes with my fluting pliers. It would have made the process go much quicker and easier if I had been able to just leave the ribs in the forming blocks while pounding down the flanges. It all worked out though.

Bryan Ekholm

[The 3/8 in rod ( I use the skinny end of a small ball peen hammer handle) is pounded into the formed flutes on the block. This makes very nice flutes and is pretty easy and quick. I've only used the fluting pliers ( home made ones) for flattening the rib after it is out of the form block.][/quote]


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