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Old Jan 19, 2006, 03:38 AM
High Roller designer
Impact's Avatar
Londonderry NH
Joined Mar 2005
1,414 Posts
Question
Dh-88...

I am looking for a electric speed 400 size dh-88 kit. I have seen the EAM comet and it looks great but I would like just a kit. I thought that RCM Mag sold a 400 size plan but I can't seem to find it. Thanks for any help......Impact
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Old Jan 19, 2006, 04:36 AM
Keep off the Grass!!
Adrian Britton's Avatar
Cardiff Wales UK
Joined Jun 2003
1,681 Posts
Australia or Bust!

Quote:
Originally Posted by Impact
I thought that RCM Mag sold a 400 size plan but I can't seem to find it. Thanks for any help......Impact
I think they did too...

I was just saying on Pat Tritle's "Pacer" thread how I would like to break away from the warbirds for a bit and maybe even "do" a multi . I started on the Turbulent a little while ago, but got back to finish off the Spit & 190.

I'm also keen on getting back to this one that I started drawing up a few years ago at around 50"+ span. Wish I could find some retracts that weigh b r all! Maybe all light with red solite?

Anyway, Good Hunting for now

Ade
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Old Jan 19, 2006, 05:02 AM
Master
ChrisP's Avatar
Weilbach, Germany
Joined May 2001
2,475 Posts
Airworld (Germany) has a nice one.

http://www.airworld.online.de/Englisch/Index.htm
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Old Jan 19, 2006, 06:06 AM
Registered User
perttime's Avatar
Tampere, Finland
Joined Nov 2004
4,350 Posts
http://kionapublishing.com/catalog/i...9abb7b50e9c9af
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Old Jan 19, 2006, 07:29 AM
WAA-08 Pilot Eventually
donjiskra's Avatar
Darien,IL,USA
Joined Jul 2000
1,570 Posts
Airworld's Dh88 Comet

Price: $525 euro
Wingspan 81 inches

Beautiful, oh so beautiful !!!
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Old Jan 19, 2006, 01:24 PM
Balsa Flies Better!
Stamford, CT
Joined Oct 2000
6,761 Posts
Impact

Lookie here-

http://www.galaxymodels.co.uk/new/re...Kits&offset=10

Sam
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Old Jan 19, 2006, 04:53 PM
FLYER spelled I-squared-R
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Grand Rapids, Michigan
Joined Sep 2001
1,623 Posts
Any comet that is reasonably scale faces significant tip stall issues.
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Old Jan 20, 2006, 01:55 AM
Registered User
perttime's Avatar
Tampere, Finland
Joined Nov 2004
4,350 Posts
Build the wing with washout. I do not have the Quiet Flyer article with me, but that design seemed to be flyable.
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Old Jan 20, 2006, 02:23 AM
Keep off the Grass!!
Adrian Britton's Avatar
Cardiff Wales UK
Joined Jun 2003
1,681 Posts
That's Done It!

Quote:
Originally Posted by fliir
Any comet that is reasonably scale faces significant tip stall issues.
In that case I'm taking today off from the warbirds to design my scale Comet wing up.

Estimated date of tip-stall-free maiden flight....early Summer

Line up the pints

Ade
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Old Jan 20, 2006, 12:02 PM
Designer/Builder
Jim Young's Avatar
Brighton, MI USA
Joined Jun 2000
1,892 Posts
I've got a plan for a 50" Comet that is pretty scale. I only stretched the wing tip 50% and built in some washout to tame the stall. It will still bite, but you realy have to bank an yank it.

I'm currently shopping it around ot the magazines to have it published. I'll offer laser cut parts and a vacuum formed canopy.

Here is a photo of the basic airframe.

-Jim
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Old Jan 20, 2006, 12:25 PM
Registered User
Monterey Bay California
Joined Feb 2004
14,157 Posts
I can tell this is going to be a good one, Ade!
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Old Jan 20, 2006, 01:27 PM
Registered User
JetMang's Avatar
San Diego, California, United States
Joined Feb 2002
2,515 Posts
Jim,

You have good taste in airplanes. I've got two motors ready for this one. My recommendations would be to show landing gear location on the plans for those who would like to do retracts. Keep us posted on progress, I'll be saving my kibbles to buy a kit from you when it's available.


Chris
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Old Jan 20, 2006, 05:45 PM
High Roller designer
Impact's Avatar
Londonderry NH
Joined Mar 2005
1,414 Posts
Thanks guys, I'm looking for a comet with a wing span of 36" to 40". Maybe I will get a 3-veiw and build my own but a kit would be much more simple. All I really need is a plan then I can scale to any size I want. Thanks for the help........Impact
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Old Jan 21, 2006, 04:28 AM
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perttime's Avatar
Tampere, Finland
Joined Nov 2004
4,350 Posts
The Quiet Flyer plan is 46" / 36 oz, and designed for 2 X 400 (6V), 7-cell Ni battery and 5.5 X 4.5 APC electric prop.

In the article, the designer says that the wing tips are increased to 3" (from scale 2") and tail moment arm is increased by 2". He has been using a pedal launcher but thinks a solid hand launch might work (no landing gear).

The construction resembles Mark Rittinger's designs.
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Old Jan 21, 2006, 08:38 AM
Designer/Builder
Jim Young's Avatar
Brighton, MI USA
Joined Jun 2000
1,892 Posts
Hi,

Here are a few more photos of my finished Comet. I flew it most of last summer. I built in a hand grip between the two nacelles for hand launching, but the next one I'm building will have retracts (Robart micros). Hand launching is no problem, and the nacell bottoms are plenty strong for landings.

Specs:
Wing Span 50"
2 x SP400
TP 3Sx4000mAhr LiPo
6x4 Master Airscrew props.
32 oz. AUW
Scale outline, except wing tip increased 50%

The wings and fuselage are fully sheeted with 1/16" balsa.

-Jim
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Last edited by Jim Young; Jan 21, 2006 at 08:44 AM.
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