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1/2A vs wing area
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1/2A vs wing area
From my limited experience wing area has a direct correlation to flying ability of a plane. Some designs defy this however in most cases it holds true. What I find funny is that there are very few designs over 120sq"
I would assume at one time 1/2A was really hot and lot's of folks were doing it. So what gives?
I was looking at the 1/2A Cosmic Wind from Brodak, but the wing area was only 116sq" which leads me to believe it won't fly all that well.
Where are all the designs?
I would assume at one time 1/2A was really hot and lot's of folks were doing it. So what gives?
I was looking at the 1/2A Cosmic Wind from Brodak, but the wing area was only 116sq" which leads me to believe it won't fly all that well.
Where are all the designs?
Cribbs74- Moderator
Posts : 11880
Join date : 2011-10-24
Age : 49
Location : Tuttle, OK
Re: 1/2A vs wing area
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-cosmic-wind-little-toni-kit-beam-mount.html
says 121
for comparison some known good performers
baby clown with 136
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-baby-clown-kit.html
Lil Jumping Bean at 116
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-lil-jumpin-bean-kit.html
baby flight streak at 150
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-baby-flite-streak-kit-beam-mount.html
lil satan at 102
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-lil-satan-kit.html
and a known lesser performer that has phenomenal stability (although I have never tried it on 52 ft lines.)
Lil Wizard at 116
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-lil-wizard-kit-beam-or-firewall-mount.html
The Stork is an outlier at 216, but I haven't heard about how it flies
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-stork.html
I have also not consulted hip pocket's plan gallery
Phil
says 121
for comparison some known good performers
baby clown with 136
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-baby-clown-kit.html
Lil Jumping Bean at 116
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-lil-jumpin-bean-kit.html
baby flight streak at 150
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-baby-flite-streak-kit-beam-mount.html
lil satan at 102
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-lil-satan-kit.html
and a known lesser performer that has phenomenal stability (although I have never tried it on 52 ft lines.)
Lil Wizard at 116
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-lil-wizard-kit-beam-or-firewall-mount.html
The Stork is an outlier at 216, but I haven't heard about how it flies
http://brodak.com/control-line-kits/brodak/1-2-a-series/1-2a-stork.html
I have also not consulted hip pocket's plan gallery
Phil
pkrankow- Top Poster
- Posts : 3025
Join date : 2012-10-02
Location : Ohio
Re: 1/2A vs wing area
Ron:
"I would assume at one time 1/2A was really hot and lot's of folks were doing it. So what gives?" - Ron
I believe you've answered you own question.
What gives is that 1/2A is no longer as popular as it was.
Kit manufacturers produce what will sell (same as Bernie with parts)
SD
"I would assume at one time 1/2A was really hot and lot's of folks were doing it. So what gives?" - Ron
I believe you've answered you own question.
What gives is that 1/2A is no longer as popular as it was.

Kit manufacturers produce what will sell (same as Bernie with parts)
SD
SuperDave- Rest In Peace
- Posts : 3552
Join date : 2011-08-13
Location : Washington (state)
Re: 1/2A vs wing area
Phil,
I was mistaken at 116 for the CW. I must have been thinking Bean. I have most of those kits to include the Stork which I have not repaired fully yet.
Still. Not too many choices there.
Dave, what I was getting at, is if it was a "hot" sport then where are all the old designs?
Even in plan form they seem scarce.
I was mistaken at 116 for the CW. I must have been thinking Bean. I have most of those kits to include the Stork which I have not repaired fully yet.
Still. Not too many choices there.
Dave, what I was getting at, is if it was a "hot" sport then where are all the old designs?
Even in plan form they seem scarce.
Cribbs74- Moderator
Posts : 11880
Join date : 2011-10-24
Age : 49
Location : Tuttle, OK
Re: 1/2A vs wing area
yes, not that many choices. It is disappointing.
couple more choices here
http://minnesotamodeler.webs.com/
Phil
couple more choices here
http://minnesotamodeler.webs.com/
Phil
pkrankow- Top Poster
- Posts : 3025
Join date : 2012-10-02
Location : Ohio
Re: 1/2A vs wing area
Thanks Phil, maybe I'm just too picky. Larry Renger designed a couple and RSM has the Pinto. I could just get off my duff and design my own I guess.
Ron
Ron
Cribbs74- Moderator
Posts : 11880
Join date : 2011-10-24
Age : 49
Location : Tuttle, OK
Re: 1/2A vs wing area
Ron:
The "Pinto" would a good choice for you. They're available if you do some looking.
Lots of wing area, wing flaps, built-up fuse, beam mount BUT pricey. Mine sits partially completed awaiting a "around2it" motivation. It will allegedly do the full AMA pattern. (BTW, the "Pinto" as LOUSY plans with a lot of "guesswork" neccessary)
At the present time I'm spending my "hobby money" repairing the on-board Onan two-cylinder generator in our 21 foot "Mini-Winnie" motor home.
SD
The "Pinto" would a good choice for you. They're available if you do some looking.
Lots of wing area, wing flaps, built-up fuse, beam mount BUT pricey. Mine sits partially completed awaiting a "around2it" motivation. It will allegedly do the full AMA pattern. (BTW, the "Pinto" as LOUSY plans with a lot of "guesswork" neccessary)
At the present time I'm spending my "hobby money" repairing the on-board Onan two-cylinder generator in our 21 foot "Mini-Winnie" motor home.
SD
SuperDave- Rest In Peace
- Posts : 3552
Join date : 2011-08-13
Location : Washington (state)
Re: 1/2A vs wing area
The fact that 1/2a engine and fuel prices have gotten borderline insane and with electrics getting smaller, lighter, easier to use, a lot more powerful and a whole lot cheaper, it's only going to push 1/2a even and further away.SuperDave wrote:Ron:
What gives is that 1/2A is no longer as popular as it was.![]()
SD

Shawn
sdjjadk- Platinum Member
- Posts : 640
Join date : 2012-04-07
Location : Southern Maryland
Re: 1/2A vs wing area
I know I am missing more sites that sell kits
http://www.rsmdistribution.com/index-2.htm
can't forget Blackhawk, while they are still in business.
http://www.blackhawkmodels.com/
Phil
http://www.rsmdistribution.com/index-2.htm
can't forget Blackhawk, while they are still in business.
http://www.blackhawkmodels.com/
Phil
pkrankow- Top Poster
- Posts : 3025
Join date : 2012-10-02
Location : Ohio
Re: 1/2A vs wing area
Back in the 'Golden age' of 1/2a, many of the kits were designed to be flown with early fifties engine technology, your average kid didn't know much about fuel props, compression, line length, etc., etc.. They bolted a worn out Wen-Mac with a inefficient K-Sun prop with what ever fuel their Dad picked up at the Western Auto and it flew!
As far as 1/2a being an entry level into aeromodelling, 1/2a gas powered models have been dead about the time Estes bought out Cox...we just didn't realize it as we were too busy enjoying them.
As far as 1/2a being an entry level into aeromodelling, 1/2a gas powered models have been dead about the time Estes bought out Cox...we just didn't realize it as we were too busy enjoying them.
Re: 1/2A vs wing area
I was wondering the same thing Mark. Not many kids had Cox planes when I was young.
Most of the older guys I fly with now tell me to lose the 1/2A stuff as the big stunters fly better. To a large extent that is true however, I have seen and flown 1/2A planes that are very capable. What I like about the large planes is they fly so much slower and are very graceful wheras 1/2A requires quick reaction with less sky.
To each his own I suppose. I would just like to see more designs that fly well. Like I said earlier there is nothing stopping me from creating my own that appeals to me.
Ron
Most of the older guys I fly with now tell me to lose the 1/2A stuff as the big stunters fly better. To a large extent that is true however, I have seen and flown 1/2A planes that are very capable. What I like about the large planes is they fly so much slower and are very graceful wheras 1/2A requires quick reaction with less sky.
To each his own I suppose. I would just like to see more designs that fly well. Like I said earlier there is nothing stopping me from creating my own that appeals to me.
Ron
Cribbs74- Moderator
Posts : 11880
Join date : 2011-10-24
Age : 49
Location : Tuttle, OK
Re: 1/2A vs wing area
Have you seen this site:
http://www.outerzone.co.uk/
Tons of plans and you can print them at whatever wing span/area you want.
Jim
http://www.outerzone.co.uk/
Tons of plans and you can print them at whatever wing span/area you want.
Jim
JPvelo- Diamond Member
- Posts : 1963
Join date : 2011-12-02
Age : 55
Location : Phoenix
Re: 1/2A vs wing area
in the early seventies Cox was king! I'd crash a plastic and still have the Babe Bee, i loved it! Cox bit more kids with the model airplane bug then anybody or anything ever did or ever will!
Re: 1/2A vs wing area
That's funny I was just browsing in there. Scaling down would be an option. I wonder what a scaled down Manx Cat IV would fly like........JPvelo wrote:Have you seen this site:
http://www.outerzone.co.uk/
Tons of plans and you can print them at whatever wing span/area you want.
Jim
Ron
Cribbs74- Moderator
Posts : 11880
Join date : 2011-10-24
Age : 49
Location : Tuttle, OK
Re: 1/2A vs wing area
The Manx Cat is very high on my build list. I love the looks of that plane. The few vids I have seen of it make it out to be a pretty sporty bipe!
You could always scale up the Queen Bee. Meant for a TD .010 or PeeWee .020
Rolla
You could always scale up the Queen Bee. Meant for a TD .010 or PeeWee .020
Rolla
Godsey3.0- Platinum Member
- Posts : 970
Join date : 2011-09-21
Age : 27
Location : Metamora, Indiana
Re: 1/2A vs wing area
The manx cat at 150 squares and a bladder fed TeeDee....
JPvelo- Diamond Member
- Posts : 1963
Join date : 2011-12-02
Age : 55
Location : Phoenix
Re: 1/2A vs wing area
http://www.outerzone.co.uk/plan_details.asp?ID=2453
http://www.outerzone.co.uk/plan_details.asp?ID=378
You should check out the AMA plans service, it's a bit cumbersome but there's good stuff on it.
Jim
http://www.outerzone.co.uk/plan_details.asp?ID=378
You should check out the AMA plans service, it's a bit cumbersome but there's good stuff on it.
Jim
JPvelo- Diamond Member
- Posts : 1963
Join date : 2011-12-02
Age : 55
Location : Phoenix
Re: 1/2A vs wing area
Dang Jim,
I have seen the Mirage, but the Cobra whoa nellie! That is a sharp one. That has the Pinto beat hands down. Looks like a pro-stunter in 1/2A!
Rolla, I too like the Manx cat. I would like one in both sizes. I have no idea how to scale down plans though.
Ron
I have seen the Mirage, but the Cobra whoa nellie! That is a sharp one. That has the Pinto beat hands down. Looks like a pro-stunter in 1/2A!
Rolla, I too like the Manx cat. I would like one in both sizes. I have no idea how to scale down plans though.
Ron
Cribbs74- Moderator
Posts : 11880
Join date : 2011-10-24
Age : 49
Location : Tuttle, OK
Re: 1/2A vs wing area
Must have been great to have been of age in the 70's.Mark Boesen wrote:in the early seventies Cox was king! I'd crash a plastic and still have the Babe Bee, i loved it! Cox bit more kids with the model airplane bug then anybody or anything ever did or ever will!
I was but a wee lad of 5yrs in 1979.
Cribbs74- Moderator
Posts : 11880
Join date : 2011-10-24
Age : 49
Location : Tuttle, OK
Re: 1/2A vs wing area
Download the plan to a memory stick thingy, take it to kinkos or whatever your local print shop is and tell them what size you want it printed. Large format copies will set you back about $2.50. 1/2a size plans easily fit on one sheet. You have to wing it on wood size but you've built enough models to know what works.Cribbs74 wrote:Dang Jim,
I have seen the Mirage, but the Cobra whoa nellie! That is a sharp one. That has the Pinto beat hands down. Looks like a pro-stunter in 1/2A!
Rolla, I too like the Manx cat. I would like one in both sizes. I have no idea how to scale down plans though.
Ron
Jim
JPvelo- Diamond Member
- Posts : 1963
Join date : 2011-12-02
Age : 55
Location : Phoenix
Re: 1/2A vs wing area
Jim,
Will do.
Ron
Will do.
Ron
Cribbs74- Moderator
Posts : 11880
Join date : 2011-10-24
Age : 49
Location : Tuttle, OK
Re: 1/2A vs wing area
Back when the Manx Cat was published I built a scaled-down one that would be 1/2A today, then powered by a K&B .09. WOW!
For a more conventional plane from plans, check out Keith Trostle's "Tercel" from AMA plans.
George
For a more conventional plane from plans, check out Keith Trostle's "Tercel" from AMA plans.
George
gcb- Platinum Member
- Posts : 908
Join date : 2011-08-11
Location : Port Ewen, NY
Re: 1/2A vs wing area
Has a 33" wing.
Plan costs $8 from the AMA

Plan costs $8 from the AMA

Godsey3.0- Platinum Member
- Posts : 970
Join date : 2011-09-21
Age : 27
Location : Metamora, Indiana
Re: 1/2A vs wing area
I'd like that a lot more if the cockpit was in the center of the fuse. Quite the span on that one!
Cribbs74- Moderator
Posts : 11880
Join date : 2011-10-24
Age : 49
Location : Tuttle, OK
New Kit in the Mail
I just got word from Ray at Minnesota Modelers that my "Sky Writer" kit is in the mail and "The Snapper " will follow soon! I will report on the kit this week end!
For the record....I was there in 1955 flying the Cox PT19 trainer. We all loved that one because we were flying in the street & when we crashed all that was needed was more rubberbands,in just a few minutes it was ready for the next kid to fly. I also built the 1/2a Snapper & used the Baby Bee from the trainer!
RK Flyer
For the record....I was there in 1955 flying the Cox PT19 trainer. We all loved that one because we were flying in the street & when we crashed all that was needed was more rubberbands,in just a few minutes it was ready for the next kid to fly. I also built the 1/2a Snapper & used the Baby Bee from the trainer!
RK Flyer

RK Flyer- Gold Member
- Posts : 274
Join date : 2013-07-16
Location : Somerset, Kentucky
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» .049 Glider FS in my Area
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» Any 1/2a action near the Tampa area?
» Sure Start Runs Then Surges
» Blizzard check-in
» New guy here with all kinds of new guy type questions
» Any 1/2a action near the Tampa area?
» Sure Start Runs Then Surges
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