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Scratch building??? Maybe??

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John.Hines(at)craftontull
Guest

Posted: Mon Jun 12, 2006 3:05 pm Post subject: Scratch building??? Maybe??

Guys, 

 

A couple of you guys have been trying to convince me to scratch build since I'm kinda stuck (financially) on my kit.  I already  have my tail kit complete.  I ordered the DVD "Scratch Building Basics for Metal Aircraft" last week but haven't received it yet.  I was looking on aircraft spruce for pricing on 6061T6 aluminum.  Is there a list published somewhere with the quantity and size of materials needed to scratch build?  I have also seen a few pictures on builders web pages with full size drawings of templates and aluminum pieces to aid in cutting them out.  Where did you get those?

 

Maybe a scratch build newbie convert,

 

John Hines

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jsimons2

Joined: 26 May 2006
Posts: 19
Location: Burlington, NC

Posted: Mon Jun 12, 2006 4:02 pm Post subject: Re: Scratch building??? Maybe??

Hi John,

     I got my DVD about 2 weeks ago. I can tell you that after watching it all of the mystery about forming sheet metal is gone. Yes, it is that good. I would highly recommend it to anyone even considering "scrap" building.

I chose to scratch build due to the finacial choices I had. Choice #1 - kit, can't afford, don't fly. Choice #2 - scratch build, affordable, fly. I'll be ordering my 601 HDS plans in about a week and a half (next payday). I did, however, luck out on one point. There is a major metal dealer only about 25 miles from me. It may cost a little more (don't really know if it would) but I won't have to pay any shipping charges (YEAH!). Good luck, I'll be joining the Zenith brotherhood soon.



Jerome Simons

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ch701builder

Joined: 07 Feb 2006
Posts: 119
Location: N38.9947,W105.1305,ALT. 9,100'

Posted: Mon Jun 12, 2006 4:38 pm Post subject: Scratch building??? Maybe??

Hi John,

You didn't mention if you were building a 701 or 601.



www.ch701.com, or www.ch601.org



then go to builders resources and have a look around. I know on the CH701 site there is a fairly complete list, and I am sure there is one on the ch601 site also.



Good luck,



Keith

CH701 - 8% -- scratch

N 38.9947

W 105.1305

Alt. 9,100'

****************************************************

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John.Hines(at)craftontull
Guest

Posted: Mon Jun 12, 2006 4:57 pm Post subject: Scratch building??? Maybe??

Keith,

 

 Sorry, I'm building a 601 XL.  You can check out my progress on my website.   www.johnsplane.com

 

 John

 

 

  



John R. HinesIT ManagerJohn.Hines(at)craftontull.com Office: 479-878-2449  Mobile: 479-366-4783  Fax: 479-631-6224 www.craftontull.com901 N. 47th Street, Suite 200 ·Rogers, AR 72756Crafton, Tull & Associates, Inc. exists to anticipate and understand the needs of our clients and provide them with successful solutions.

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zodierocket(at)hsfx.ca
Guest

Posted: Mon Jun 12, 2006 6:27 pm Post subject: Scratch building??? Maybe??

John, I have posted a pretty extensive inventory of things needed for plans builders on www.ch601.org Keith is right you may wish to spend some extended time there.  

     

Mark Townsend  Alma, Ontario  

Zodiac 601XL C-GOXL, CH701 just started  

www.ch601.org / www.ch701.com/ www.Osprey2.com  

   

  

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randy(at)shadycreekoutlaw
Guest

Posted: Mon Jun 12, 2006 8:07 pm Post subject: Scratch building??? Maybe??

Hello John,



I bought all of my raw materials from Yarde Metals in High Point, NC, 

although they have other warehouses across the US...  You can visit their 

site at: http://www.yarde.com  The total cost of materials I bought from 

them was about $1800...including the thick stuff to build the spring landing 

gear...  For my sheets, I used the cutting/layout templates from 

http://www.ch601.org and just bought the number of sheets shown on the 

layouts...  For the flat bar, round bar, extrusion angle, I just made a 

guess at that by looking at the plans and ordered it...



I've ordered a few odds & ends from Speedy's Metals.  They have just about 

anything you need and they'll cut to any size for you... And their prices 

seem to be good too!  Here's their URL: 

http://stores.ebay.com/SPEEDY-METALS-1-888-744-4140

Here's what I ordered from Yarde Metals:

----------------------------------------------------------------------------------------------------------------

QUANTITY - THICKNESS - WIDTH - LENGTH



1 - .016" - 48" X 144"

2 - .020" - 48" X 144"

15 - .025" - 48" X 144"

2 - .032" - 48" X 144"

1 - .040" - 48" X 144"

1 - .063" - 24" X 48"

1 - .090" - 18" X 12"

1 - .125" - 18" X 12"



6 - 12' pieces - 1 1/2" wide X 1/4" thick flat bar.

2 - 12' pieces of 3/4" X 3/4" - 0.093" Thick, extrusion angle.

1 - flat bar - 8" wide - 144" Long - 3/4" thick.



----------------------------------------------------------------------------------------------------------------



The only item I've found I needed more of was the 1 1/2" wide X 1/4" thick 

flat bar.  When I figured what I needed, I forgot to include enough to build 

the center spar with and ran short there and had to order more...  Up to 

this point, even with a few mistakes, I'm running on schedule, and maybe a 

little ahead, on materials...  There are a lot of the small parts you can 

make from the scrap you generate, like pieces between wing ribs after you 

cut them out, that will help conserve your material... NOW, I'm only just 

about ready to start on the fuselage probably by the end of this month, so 

I'm a ways from being done... BUT, by my "guesstimation"  I really don't 

think I'll have to order more of the 'standard' materials... I have found 

that I forgot to order the flat plate to make my front nose fork from and 

I'll have to order it later...  But other than that, I've not found anything 

I don't have material for... Oh, you'll need some galvanized sheet to make 

the firewall from... I didn't order this because I'm not sure yet if I'll 

make mine from galvanized or .015" stainless... The jury is still out on 

this one.. When I reach a decision, I'll have to order this material...



Oh yeah, order about 1 foot of 1 1/2" X 1 1/2" X 1/8" extrusion angle... 

You'll need this to make your aileron bellcrank supports...



One more pointer I'll give you:



The plans say to make the fuel tanks from .032" material, and I have enough 

to do it with... BUT, I'm thinking of ordering enough .050" to make mine 

from... The welders that I've talked to say that the tanks would be much 

better, and easier to weld if made from .050" instead of the .032" called 

for in the plans... This might be something to think of when ordering your 

raw sheets...

If you have any more questions, please ask...



Thanks!



Randy

XL Wings - Plans Only

http://www.n344rb.com



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sky_ranger161

Joined: 07 Jun 2006
Posts: 91

Posted: Tue Jun 13, 2006 3:28 am Post subject: Scratch building??? Maybe??

Hi John,

   

  I'm still fairly new to the whole process (I've been scratch-building my XL for almost a year now), but I can tell you that with patience, a few specialized tools, and a healthy dose of common sense you can totally make scratch-building work for you. I too am one of the more "financially challenged" builders, but here's how I do it. Very simply put, I keep my inventory low. I put in an $800 order to Yarde Metals at the beginning of my build, and I'm still working off that shipment of metal. When it runs out, I'll order more. Prices may fluctuate, and shipping may make it cost almost the same in the long run, but the truth of my situation is  that it's easier for me to afford $800 twice than $1600 once.

   

  I orderd the scratch-build DVD's and they gave me a huge dose of confidence. In some cases, it appeared to me that I was trying to make things too precise. What the videos did for me was give me  great ideas for getting things accomplished, and reinforce what I read from Chris Heinz about building a LSA - not a jet fighter.

   

  At any rate, my position was pretty much the same as a few others - scratch build, or don't build at all. I've found it to be a reasonably simple, extremely rewarding way to operate, and I'd recommend you go for it. You can always go back to buying component kits (or any piece for that matter) that you want.

   

  If it helps, here's my log on mykitlog.com. It details fairly well my thoughts and processes along the way. Like I said, I'm no expert, but like anybody who's read William Wynne's manual will tell you, I've finally got my seat at the table. How do you eat an elephant? One bite at a time my friend.

   

  www.mykitlog.com/debo

   

  Debo

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