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Author Topic: I beamers  (Read 2232 times)

Offline James Mills

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I beamers
« on: May 29, 2008, 03:37:42 PM »
I have a few sets of plans (Neptune, Argus, and Cavalier) and was wondering how big a difference is there really between the I beamers of the 50's and 60's (or is it the old addage that guys like Bill Werewage could probably whip most of us with a 1/2a on a yardstick)?

James
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Offline George Waters

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Re: I beamers
« Reply #1 on: June 01, 2008, 06:35:46 PM »
This is my latest i beamer, a Jack Sheeks Stuka. It was scratch built from fm plans. The only mods are equal length wings removable gear, adj leadouts and weight box. Power is a Rojett 40,weight is 57.8 oz. So far only two flts on it as the weather has been too bad. I hope to fly it at Brodaks in fun scale. My other ibeamers were a 190 and Ballerina, they bothperformed well.  George Waters  mw~




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Offline Airacobra

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Re: I beamers
« Reply #2 on: June 01, 2008, 07:03:06 PM »
That is awesome George, very well done, I can't wait to hear more on the flight report!!!!!!
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Offline Clint Ormosen

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Re: I beamers
« Reply #3 on: June 01, 2008, 09:07:15 PM »
Wow! What a beautiful finish on that Stuka.
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Offline George Waters

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Re: I beamers
« Reply #4 on: June 02, 2008, 03:43:34 AM »
The finish is Brodak dope with two part autoclear over the top. The yellow is lockhven yellow that a friend had left from his real j3. George
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Offline Dave Reyes

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Re: I beamers
« Reply #5 on: June 02, 2008, 07:19:38 PM »
George what a great job.  You're quite the builder.  Look forward to seeing you and the Stuka at Brodak.

Dave Reyes
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Offline Warren Wagner

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Re: I beamers
« Reply #6 on: June 05, 2008, 07:02:33 PM »
George,

That is one superb job !!   Outstanding.   How about some more pictures, closeups of details, and a shot of the bottom, etc.

And some more construction details.   

In particular, how did you handle the flap linkage with the forward sweep, and the inverted gull dihedral.   That must have taken some engineering work.  Have any pictures of the horns that you used?

Again, terrific job, and we'll be looking forward to more flying results.

Cheers.

Warren Wagner
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Offline Bill Little

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Re: I beamers
« Reply #7 on: June 05, 2008, 09:22:20 PM »
Quote from: James Mills on May 29, 2008, 03:37:42 PM
I have a few sets of plans (Neptune, Argus, and Cavalier) and was wondering how big a difference is there really between the I beamers of the 50's and 60's (or is it the old addage that guys like Bill Werewage could probably whip most of us with a 1/2a on a yardstick)?

James

Difference in what way, James?  Between an Ares and a Nobler?  Or.........?

The difference I see is in personal preference.  I just happen to be a huge I-Beam nut.  I love th elooks of almost all of them, and I really enjoyed spending time talking with Billy and getting a lot of info on his. 

Most of those '50-'60s I-Beamers (at least all of Billy's) needed to be built pretty light due to the airfoils used.   I have often heard pilots (recently) complain that their  Ares, etc., was a dog.  Only to find out that they built it at 45 oz., and it is GOING to be a dog at that weight!  IMHO, an Ares ('59 style) does fly different from a '57 Nobler.  And it comes down to which type plane you prefer.

As to more modern stuff, Billy's USA-1 (designed and first flown in late '68) was the basis of many of his planes afterwards.  His Junar (several WC appearances) and first Geo XL used an almost straight stock USA-1 wing.  He finally switch to his Geo Bolt wing. 

The major advantage of an I-beam was, and is, the ease and quickness, of building.  Plus they are self jigging/aligning.  A flat table big enough and you can build a VERY straight plane VERY quickly.  About 30 hours from the beginning of wood cutting to having the frame/fuselage assembly done.  Three different people have come to my house (Friday evening to Sunday afternoon) to frame up a USA-1, and that is about as long as it takes to get it framed up starting with a stack of wood.

IMHO, the most beautiful stunt planes ever!
Bill <><
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Offline James Mills

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Re: I beamers
« Reply #8 on: June 06, 2008, 08:29:16 AM »
Quote from: Bill Little on June 05, 2008, 09:22:20 PM
Difference in what way, James?  Between an Ares and a Nobler?  Or.........?

The difference I see is in personal preference.  I just happen to be a huge I-Beam nut.  I love th elooks of almost all of them, and I really enjoyed spending time talking with Billy and getting a lot of info on his. 

Most of those '50-'60s I-Beamers (at least all of Billy's) needed to be built pretty light due to the airfoils used.   I have often heard pilots (recently) complain that their  Ares, etc., was a dog.  Only to find out that they built it at 45 oz., and it is GOING to be a dog at that weight!  IMHO, an Ares ('59 style) does fly different from a '57 Nobler.  And it comes down to which type plane you prefer.

As to more modern stuff, Billy's USA-1 (designed and first flown in late '68) was the basis of many of his planes afterwards.  His Junar (several WC appearances) and first Geo XL used an almost straight stock USA-1 wing.  He finally switch to his Geo Bolt wing. 

The major advantage of an I-beam was, and is, the ease and quickness, of building.  Plus they are self jigging/aligning.  A flat table big enough and you can build a VERY straight plane VERY quickly.  About 30 hours from the beginning of wood cutting to having the frame/fuselage assembly done.  Three different people have come to my house (Friday evening to Sunday afternoon) to frame up a USA-1, and that is about as long as it takes to get it framed up starting with a stack of wood.

IMHO, the most beautiful stunt planes ever!
Bill <><
I was more curious about the differences between one I-beam compared to another.  I've never built one, but have wanted to.  They are very sharp looking and it seems the Ares design is the most common design you see around.

James
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Offline George Waters

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Re: I beamers
« Reply #9 on: June 06, 2008, 08:47:50 AM »
Warren  I will put some of the pictures of the bottom, cowl etc up when my daughter comes home from school. Theyare in the computer but I don,t know where. The flaps only work on the inner section,I just used a lucky box setup on them. Ihad made some angled horns to operate the outer sections but decided not to use them as A itmight not fly right and B it would definitely be a major change to the design. The outer section on the right wing is a ground adj trim tab. I used anrc arf 40 size stuka canopy and the wheel pants from the same arf, the exhaust stacks were from an old midwest p63. I,ll put up the pictures later. George
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Offline George Waters

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Re: I beamers
« Reply #10 on: June 07, 2008, 06:19:06 PM »
Here are the pictures in more detail.  Enjoy! George H^^



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