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Author Topic: Lit'l Jumpin' Bean  (Read 619 times)

Offline Motorman

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Lit'l Jumpin' Bean
« on: September 11, 2023, 10:03:11 PM »
Will a Cox Golden Bee pull a Lit'l Jumpin' Bean on 42 x .010 with 20% nitro and still do a few stunts?

Online Ken Culbertson

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Re: Lit'l Jumpin' Bean
« Reply #1 on: September 12, 2023, 07:00:57 AM »
Will a Cox Golden Bee pull a Lit'l Jumpin' Bean on 42 x .010 with 20% nitro and still do a few stunts?
I had one of those as a kid, with a Golden Bee.  It will stunt just fine but I question 42'.  I flew mine on 35' dacron, but that was a space issue.  Line length was always 1/2 the distance between the trees! LL~  We used those Cox "Roll Um Up" handles since the trees were not always the same distance apart in our back yards.

Ken
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If it is not broke, don't fix it.
USAF 1968-1974 TAC

Offline Paul Smith

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Re: Lit'l Jumpin' Bean
« Reply #2 on: September 13, 2023, 11:41:00 AM »
Sometime around 1963 we discovered the idea of putting a TD cylinder on a Babe Bee and a Golden Bee.

Since then, nobody remembers what a single port cylinder will do, other occupy space in a parts box.  We need somebody with the skills and tools to cut the second bypass.

A TeeDee stunter works good on 46' lines for me and could use more.
Paul Smith

Offline Motorman

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Re: Lit'l Jumpin' Bean
« Reply #3 on: September 13, 2023, 02:37:27 PM »
That's why I wanted to know what a Golden Bee will pull so I don't have to do all those mods.

Offline Dave Hull

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Re: Lit'l Jumpin' Bean
« Reply #4 on: September 13, 2023, 05:44:02 PM »
Your biggest handicap is not likely the single port cylinder, it is the .010 lines. Are these repurposed Mouse I lines? Switch to either .008 stranded or some lighter Spyderwire and you'd be in much better shape. I fly a SIG Baby Skyray on .008x42 with no issues but that is using a "product engine," so dual port. Single port on a Beginner Ringmaster on the same lines. No loops attempted on that one so far. And a Medallion on a Baby Clown is outstanding....again on .008x42's.

Offline Jim Svitko

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Re: Lit'l Jumpin' Bean
« Reply #5 on: September 14, 2023, 08:12:22 AM »
I remember flying the Lil Jumping' Bean with a Cox Golden Bee.  What a fun time back then.  The plane performs well with the Golden Bee, but not enough fuel for the full pattern.  We never tried more than loops, inverted, and lazy eights, but that was enough for us back then.

We also did 1/2A combat with it, along with the 1/2A Ringmasters and Flite Streaks.  I do not remember using lines any longer than about 35 feet, those Dacron lines that came on the little spool.  And that red plastic handle.  Was that the Carl Golberg one, with the line adjustment feature?

Online Ken Culbertson

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Re: Lit'l Jumpin' Bean
« Reply #6 on: September 14, 2023, 01:46:33 PM »
When did the Bean come out?  My memory banks have it somewhere around 1959.  Those really were the days.  Our Cox 1/2a's were like today's video games.  Everybody was doing it, well almost everybody. 

Ken
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If it is not broke, don't fix it.
USAF 1968-1974 TAC

Offline kenneth cook

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Re: Lit'l Jumpin' Bean
« Reply #7 on: September 14, 2023, 05:47:35 PM »
              The Golden Bee was offered early with a single ported Babe Bee cylinder, later versions came out with dual porting similar to the Black Widow.  In addition, the tanks of the Golden Bee also underwent big changes. The earlier venturi within the tank are .062" while the later were .082". The same goes for the intake hole on the backplate itself.  These changes have a major impact on power from one to the other. It essentially comes down to measuring what you have. I have both tanks in front of me and you can see the substantial difference in the venturi hole. I just don't have success on here sending pics.

Offline Dave Hull

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Re: Lit'l Jumpin' Bean
« Reply #8 on: September 14, 2023, 06:33:14 PM »
The Li'l Jumpin' Bean was kit number G-8, and was preceded by the Swordsman 18 (G-3), Stuntman 23 (G-6) and the Spaceman 30 (G-7). As often the case, the plans do not show a date, possibly because they didn't want their kits to seem outdated? Who knew we'd be building them 60+ years later, with no regard for "state of the art?"

I love the style of all of the Goldberg plans. The isometrics showing how to proceed. The Brodak reproduction retained the Goldberg plan, but changed some of the engineering. In particular, they provided a nylon engine mount. A very fine mount, but I think for a Bean, I'd do it just like the original, just because.

AHC advertised the Stuntman 23 in September of 1960 (and possibly earlier), but not the Bean--yet. In May of 1959 for example, AHC was advertising the Swordsman 18 and the 1/2A Blazer, but not yet the Bean. But by early 1961, AHC was selling the Bean for $1.49 or you could get a Little Toot for $1.69. So Ken's answer is probably within 12 months of the first introduction.

I recall reading a chronology as given by Goldberg himself, going thru the logic of each and the tentative and somewhat unexpected growth of his venture. Wish I could find that again.

Offline Mark Mc

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Re: Lit'l Jumpin' Bean
« Reply #9 on: September 15, 2023, 09:17:43 PM »
Simple answer.  Try it and find out.

Offline Colin McRae

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Re: Lit'l Jumpin' Bean
« Reply #10 on: September 18, 2023, 06:40:25 PM »
Just a suggestion but try PowerPro Spectra 20# rated lines at 35'. Similar to Dracon lines. 

Online Ken Culbertson

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Re: Lit'l Jumpin' Bean
« Reply #11 on: September 18, 2023, 08:48:50 PM »
Just a suggestion but try PowerPro Spectra 20# rated lines at 35'. Similar to Dracon lines. 

 y1  Or even 10#

Ken
AMA 15382
If it is not broke, don't fix it.
USAF 1968-1974 TAC

Offline Motorman

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Re: Lit'l Jumpin' Bean
« Reply #12 on: September 18, 2023, 09:46:46 PM »
The little baby bee planes I use to fly would pull about 0#. I remember those Dacron lines. Use to feel like clothes line rope. I'll just get some .008 stainless and a magnifying glass to wrap with.

You guys know any other cool little planes for a Golden bee?

Thanks,
MM 8)

Online Ken Culbertson

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Re: Lit'l Jumpin' Bean
« Reply #13 on: September 18, 2023, 10:24:59 PM »
The little baby bee planes I use to fly would pull about 0#. I remember those Dacron lines. Use to feel like clothes line rope. I'll just get some .008 stainless and a magnifying glass to wrap with.

You guys know any other cool little planes for a Golden bee?

Thanks,
MM 8)

I stuck Golden Bee's on just about everything that would take one back then.  My favorite as far as flying was the Baby Flight Streak.  Combat Kittens were fun and there was a series of kits by Sterling about the time of the Baby Ringmaster that were really good fliers.  There was a P-47, F4F Wildcat, a Zero and I think a Navion.  The little Zilch was also a good flier but rather flimsy.  That is me with the Sterling F4F on the end of some really short lines in 1959.  Small back yard!

Ken
AMA 15382
If it is not broke, don't fix it.
USAF 1968-1974 TAC

Offline Dave Hull

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Re: Lit'l Jumpin' Bean
« Reply #14 on: September 19, 2023, 12:00:59 AM »
The Li'l Satan is fun. Flew this one from the Brodak kit on 26' of 30lb test Spectra. Why 26'? Well, that's what the plans recommended. Made my knees shake doing whatchamadingys like the combat guys do. One buddy flew it and it took a LOT of concentration for him to fly it level. He hadn't flown in years, I don't think. Another friend immediately got dibs on the next flight. He was doing great until it got lost behind his head somewhere and "WHUMP" it took out a gopher hill. Took it home, washed out the engine and all was good. I think 35' lines would be waaaaay more practical. Depends on whether you like shakyknees or not....

A guy at the field has a Baby Barnstormer that flies really well on Cox power. That might be an option?

The Divot

Offline Jim Svitko

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Re: Lit'l Jumpin' Bean
« Reply #15 on: September 19, 2023, 10:56:19 AM »
The little baby bee planes I use to fly would pull about 0#. I remember those Dacron lines. Use to feel like clothes line rope. I'll just get some .008 stainless and a magnifying glass to wrap with.

You guys know any other cool little planes for a Golden bee?

Thanks,
MM 8)

If you can find one, it is the Big Otto.  I think it was a Scientific kit.  Combat plane, if I remember.  Good performer.


Offline Motorman

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Re: Lit'l Jumpin' Bean
« Reply #17 on: September 19, 2023, 11:20:49 AM »
Ken, cool pic. Thanks everyone for suggestions.

Offline 944_Jim

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Re: Lit'l Jumpin' Bean
« Reply #18 on: September 19, 2023, 12:53:56 PM »
MM,

Are you looking for built-up wing, or flat plank wing?

Lil Satan templates are on Outerzone, and a Lil Satan clone is on Flying lines.org (Wido Satan): http://flyinglines.org/kb.widosatan.html

Have you looked on Outerzone?
There is a pile of 1/2A stuff there. In particular are profile models with built up wings. The Outerzone search works well if you know a model's name. Otherwise, the advanced search works great for searching by particulars...wing span, CL, trainer , sport...etc.
DuaneH from CEF parked a copy of the Top Flite Junior Aces models up there:
https://outerzone.co.uk/plan_details.asp?ID=13602

I like this one too;
https://outerzone.co.uk/plan_details.asp?ID=4409

Don't ask me why, but I'm a sucker for this one:
https://outerzone.co.uk/plan_details.asp?ID=12606

Then there is Hippocketaeronautics: https://www.hippocketaeronautics.com/hpa_forum/index.php?action=dlattach;topic=18108.0;attach=126731;image

And there is AeroFred.com too: https://aerofred.com/details.php?image_id=79651

The above are listed only so you can find the sites. A lot of models are available from each of them.
« Last Edit: September 19, 2023, 04:30:03 PM by 944_Jim »


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