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JetMach Prototype #2

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Old 08-09-2006 | 08:35 PM
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Default JetMach Prototype #2

0002 rolled out of the shop today ready for covering.

Bob used this one to make up part of the assembly instructions.

He made a few changes on this one including the bigger access hatch, plus this one will be a bit lighter.

Should be flight ready in a few weeks.

Here's a few pics.
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Old 08-09-2006 | 09:35 PM
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Default RE: JetMach Prototype #2

Thanks, Ronnie.
This model is was built to test the fit of the laser cut parts and correct any goof ups.
Remarkably the fuselage design and the fit of the parts is so good, that the fuselage is self aligning.
Bob
Old 08-09-2006 | 10:15 PM
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Default RE: JetMach Prototype #2

Lookin' real good, Bob[sm=thumbup.gif].
Old 08-10-2006 | 08:46 AM
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Default RE: JetMach Prototype #2

Can it fit a 750?

Looks good!

JR
Old 08-10-2006 | 09:13 AM
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Default RE: JetMach Prototype #2

JR, yes I think it will just fit
Old 08-10-2006 | 09:29 AM
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Default RE: JetMach Prototype #2

The engine mounting area was sized to accept a P-70.
It's basically designed around the P-60, so some extra weight up front may be required with the heavier engine.
Bob
Old 09-02-2006 | 06:40 PM
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Default RE: JetMach Prototype #2

Update:


Prototype #2 made it's maiden flight today.
0 bad habits and 4lbs less than the 1st prototype.

Take off roll is about 50ft with a P-60

It's getting markings finished this week and heading to GSW!

Post some pics later when I get them.
Old 09-02-2006 | 06:51 PM
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Default RE: JetMach Prototype #2

shok, is that a jetcat i see sitting next to the plane hahahahahaha




ORIGINAL: Shok

0002 rolled out of the shop today ready for covering.

Bob used this one to make up part of the assembly instructions.

He made a few changes on this one including the bigger access hatch, plus this one will be a bit lighter.

Should be flight ready in a few weeks.

Here's a few pics.
Old 09-02-2006 | 06:54 PM
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Default RE: JetMach Prototype #2

the kero kitty!
Old 09-02-2006 | 07:10 PM
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Default RE: JetMach Prototype #2

Here's a pic, no markings yet
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Old 09-02-2006 | 07:11 PM
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Default RE: JetMach Prototype #2

No No, that's Tommy, please!
Old 09-02-2006 | 10:29 PM
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Default RE: JetMach Prototype #2

looks like a high wing R-54 !!!

Old 09-03-2006 | 02:26 AM
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Default RE: JetMach Prototype #2

Prototype #2 looks a lot better than #1.

I think you boys have a winner there. I might have to think about getting myself a smaller turbine to play with.
Old 09-03-2006 | 08:12 AM
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Default RE: JetMach Prototype #2

It's pretty amazing to to see a big 80 inch spanned plane this size just fly so effortlessly on a 12lb engine.

I'm waiting for Bob to design the swept wing version lol
Old 09-03-2006 | 08:14 AM
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Default RE: JetMach Prototype #2


ORIGINAL: nony

looks like a high wing R-54 !!!



or is it the other way around? lol

Bob drew this plane up and brought it to a club meeting back in 2002.
He's been planning it quite awhile.
Old 09-03-2006 | 08:46 AM
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Default RE: JetMach Prototype #2

FOD screen a must?
On the R54 the wing keeps the turbine isolated from ground dirt.
I think Bruce had the R54 for several years before releasing it in late 2004.

Dave


Old 09-03-2006 | 09:22 AM
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Default RE: JetMach Prototype #2

The designs are completley different.
There is a passing likeness but thats where it ends.

The plane has side slots for air intake, but no matter the setup, everyone should always use a FOD screen.

Theres always a chance for a turbine to suck any number of things into it no matter the position or location.
Old 09-03-2006 | 09:32 AM
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Default RE: JetMach Prototype #2

Hey friends, let's put the comparisons to bed right now. The JetMach is a unique model/design, and I wish nothing but the best for limeybob and Shok. The more choices for kit builders out there, the better IMHO.
Old 09-03-2006 | 09:35 AM
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Default RE: JetMach Prototype #2

Thanks Bruce.

I love the R54 design, it's awesome, heck I even bought one!
I never got a chance to finish it though. Hopefully Woketman will get it in the air and send me pics!
Old 09-03-2006 | 11:39 AM
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Default RE: JetMach Prototype #2

Bruce, thanks
Bob
Old 09-03-2006 | 11:58 AM
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Default RE: JetMach Prototype #2

FOD screen is a must, you can screen the intake air to the fuse no problem, but you should be amazed at the amount of stuff that gets inside the fuse from wherever, and can go straight into the turbine without a FOD.

Bob
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Old 09-03-2006 | 12:38 PM
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Default RE: JetMach Prototype #2

I will get it in the air someday. Due to Return To Flight and then Katrina, I have had other priorities for the past three years. Actually, after Katrina when they moved me up to Marshal Space Flight Center for almost two months, I had more time to build, but I was in a one bedroom apartment (no band saw, no jig saw, no vice, no belt sander, no big messy garage, etc.). I actually got about 70% of the rest of it built. But then we came home and I started working 6 or 7 day weeks leading up to Discovery's STS-121 flight on July 4th. Now STS-115 and the fact that we won th CEV contract is going to take some time, and I have a Kangaroo in front of it (just because it is closest to being ready for flight). Not to mention three years of stacked up honey-do's!

It'll happen. Stayed tuned.....
Old 09-07-2006 | 02:05 PM
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Default RE: JetMach Prototype #2

all prettied up and heading out to waco for the Greater Southwest Rally




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Old 09-07-2006 | 02:26 PM
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Default RE: JetMach Prototype #2

looks like a r-54 with a av8r wing . hope it flys good
Old 09-07-2006 | 02:30 PM
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Default RE: JetMach Prototype #2

this wing is way bigger than an AV8R


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