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Search: Posts Made By: georgemay
Showing results 1 to 25 of 30
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Forum: Composites Fabrication And Repair
09-21-2004, 10:28 PM
Replies: 7
Views: 1,200
Posted By georgemay

RE: Vac Bag to fill weave?

It is worth to try. I just bought Phil Barnes video ( http://www.paonline.com/hayman/video.htm )
Phil is showing his technique of bagging glider wing in a mylar. Result is AMAZING.
Go for it....
Forum: Tips & Techniques
12-11-2002, 03:55 AM
Replies: 80
Views: 36,231
Posted By georgemay

Making wood propellers

He has CNT Motion Systems multi head router cutting 6 props at a time.

Isn't it small world Mike??? he he he We met again! ;) :)

George
Forum: Composites Fabrication And Repair
12-03-2002, 07:24 PM
Replies: 18
Views: 2,011
Posted By georgemay

plug & mold help ?

AV8TOR,
When I do 3-D work with the 1/8" ball nose bit I carve with the router set at 10,000 rpm, and I move it between 1.75-2.0 inches a second. I can get a very clean cut that way. I think I...
Forum: 3D Flying!
12-03-2002, 06:56 AM
Replies: 20
Views: 1,556
Posted By georgemay

Re: Don't ruin that prop

Robert,

What you are experiencing after cutting tips off is quite normal. Cutting off tips is like cutting off the best part of the prop. Also reducing prop disk area will reduce thrust. ...
Forum: Composites Fabrication And Repair
12-02-2002, 09:57 PM
Replies: 18
Views: 2,011
Posted By georgemay

plug & mold help ?

Yes, that's exactly what I have!. However modified a bit. Folks at the shopbottools are very helpful. Just give them a call.

I have been using 6" long 1/2" end mill to reach all the way to the...
Forum: Composites Fabrication And Repair
12-02-2002, 08:08 PM
Replies: 18
Views: 2,011
Posted By georgemay

plug & mold help ?

Sorry guys it took me so long,

Just measured the machine and it is 8.5' x 4' x 9" and can be configured to 17" on the Z axis. (I would have to lower the table)
Normally I charge $20/hour for...
Forum: Composites Fabrication And Repair
11-30-2002, 06:13 PM
Replies: 18
Views: 2,011
Posted By georgemay

plug & mold help ?

Hi Darin,
Original post was about hot wiring foam between two wood formers. All I wanted to do is to show another method of creating a plug. I guess what material you will use it's up to you. ...
Forum: Composites Fabrication And Repair
11-30-2002, 03:05 PM
Replies: 18
Views: 2,011
Posted By georgemay

plug & mold help ?

Not at all. I forgot to mention that machine capacity is 9' feet in length and can carve just about any shape you can dream of - including "8' twin turbine helicopter fuselage" ;)
The purpose of...
Forum: Composites Fabrication And Repair
11-26-2002, 05:00 AM
Replies: 9
Views: 1,472
Posted By georgemay

Re: Re: Plug construction time

I know the feeling. I do that (Push the button) every day and watch it cut. And they said that CNC saves you the time - Let it run and in the mean time you could do something else. Yeah right!
...
Forum: Composites Fabrication And Repair
11-26-2002, 03:50 AM
Replies: 18
Views: 2,011
Posted By georgemay

plug & mold help ?

I apologize guys to jump in into a discussion about plug making. Since I am mostly doing prop carving it may appear that this has nothing in common with foam fuse or wing plug. The method I use is...
Forum: Composites Fabrication And Repair
11-19-2002, 02:48 PM
Replies: 22
Views: 7,405
Posted By georgemay

Making Carbon Fiber Props

Steve,
Plans, photographs, anything at all that you have would help to reconstruct the cowl or a whole fuse. Few crossections drawings wouldn't hurt too. The more info you have the more accurate...
Forum: Composites Fabrication And Repair
11-18-2002, 05:12 PM
Replies: 22
Views: 7,405
Posted By georgemay

Making Carbon Fiber Props

My machine is not even close to thermwood but I can use it as digitizer :) ;) :p and it is accurate too.
Most of the work I did is for clients and I may not have the file I can share now. ...
Forum: Composites Fabrication And Repair
11-18-2002, 04:32 PM
Replies: 22
Views: 7,405
Posted By georgemay

Making Carbon Fiber Props

Steve,
I do not know why everyone thinks that CNC service is expensive.
Actual machining may cost you around $20/hr and that blade can be carved in less than an hour. Of course preparation might...
Forum: Composites Fabrication And Repair
11-18-2002, 04:16 AM
Replies: 22
Views: 7,405
Posted By georgemay

Making Carbon Fiber Props

Hi Scalecraft,
How about CNC the blade?
I'm doing it everyday :)


Make 3D solid in Rhino and I'll carve it for you.

George
Forum: Tips & Techniques
11-17-2002, 10:36 PM
Replies: 80
Views: 36,231
Posted By georgemay

Making wood propellers

Henrik wrote:
I'm just about to order 3 steppermotors with the nessacairy software/hardware in Germany


Henrik,
My setup uses 4 step motors. 2 motors go simultaneously on the X-Axis. one on...
Forum: Tips & Techniques
11-17-2002, 08:20 PM
Replies: 80
Views: 36,231
Posted By georgemay

CNC Machine

Before you guys do anything just take a look at ShopBot (http://shopbottools.com) :p ;)
Forum: Tips & Techniques
11-17-2002, 12:46 PM
Replies: 80
Views: 36,231
Posted By georgemay

Scale Propellers

It is not that difficult to carve custom 3, 4 or even 5 bladed props.
On CNC machine all you have to do is just to fasten the piece of wood to the table. Turn the machine on and watch it carves. I...
Forum: Tips & Techniques
11-16-2002, 09:52 PM
Replies: 80
Views: 36,231
Posted By georgemay

Making wood propellers

Herik,
I am thinking to rotate and cut both blades without removing wood blank from machine. Of course in the center of the hub there will be small area I cannot touch. Or maybe not. !? ;) ...
Forum: Tips & Techniques
11-16-2002, 08:28 PM
Replies: 80
Views: 36,231
Posted By georgemay

Making wood propellers

Henrik wrote:
Making one blade of course takes a little time, but having done this a couple of times, it's easy.

Henrik,
One of my new props was 10 feet ( not inches ) long.
Forum: Tips & Techniques
11-16-2002, 08:12 PM
Replies: 80
Views: 36,231
Posted By georgemay

Making wood propellers

Hey Roger,
Great minds think alike! :)

Somewhere I have a picture of another great design. which uses rotary setup and dado blades to do carving. Stylus in this case is a plastic wheel. ...
Forum: Tips & Techniques
11-16-2002, 06:44 PM
Replies: 80
Views: 36,231
Posted By georgemay

Making wood propellers

Hi Jim,

I still have parts from machine I had before. Shafts, linear bearings etc. No plans - sorry.

Here is my attempt to create prop blade from scratch.
All I can tell you it takes helluva...
Forum: Tips & Techniques
11-15-2002, 02:18 PM
Replies: 80
Views: 36,231
Posted By georgemay

Making wood propellers

For 3D I use Rhino, for toolpath generation I use Visual Tool.
There are also cheaper programs like Mill Wizard capable of 3D carving. Some are quite expensive like Master Cam.

And 3D is not...
Forum: Tips & Techniques
11-14-2002, 05:16 PM
Replies: 80
Views: 36,231
Posted By georgemay

Making wood propellers

I haven't cut 32x12 but I did 32x10. It was test run on one of my prop designs I was working back then. It was cut from piece of 2x4. It is shown on picture #3, 4 and 5 from the top at...
Forum: Tips & Techniques
11-14-2002, 02:08 PM
Replies: 80
Views: 36,231
Posted By georgemay

Making wood propellers

This morning I uploaded some pictures to www.propellers.us/rcu.htm (http://propellers.us/rcu.htm)
George :)
Forum: Tips & Techniques
11-13-2002, 03:57 PM
Replies: 16
Views: 1,822
Posted By georgemay

Building board??

Try Drywall.
Make sure you cut off few inches from the edge as it tapers slightly.
George
Showing results 1 to 25 of 30
 
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