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Twin engine stunt?

Stuka Stunt Main Forum · 17 of 17 known posts recovered

lsg3240 · Dec 27, 2000 11:11 PM

#0 source
Anybody ever build a twin for stunt? My partner and I built a profile "saw a picture of it once" scale Fw 189 with two fox 35's and later two 0S 40's. 72 inch span. Flew it on 70 ft lines. It was really a nice floater after the engines quit. It really flew better than we did at the time. It did great figure eights and could do all the manuvers we knew how to do including recovering from inverted on one engine. We used the Don Still stuka airfoil and guessed at everthing else. We impressed the heck out of the local kids. Unfortunatly after 118 flights the horizontal stabilizer departed from the outboard tail boom and the rest of the plane scattered over about an acre and a half. Going to try it again soon and looking for ideas and hints. Dont want a super scale or hard to build model. Something simple, for fun, with 35's. If it aint fun, its work!! Thinking about an Armstrong Whitworth Whitley.{look it up} Any suggestions?

The Kiwi · Dec 28, 2000 12:19 AM

#1 source
There has been a B-25, a B-26, a Mosquito, and a P-38. I really liked the P-38 (there was also a "sorta" P-38 stunter, but with only one engine). The "real twin" is a Lew McFarland plan, and I think our dear Leonard can fix you up with a copy (for a reasonable cost).


Kiwi

Brett Buck · Dec 28, 2000 12:23 AM

#2 source
>Anybody ever build a twin for
>stunt? My partner and
>I built a profile "saw
>a picture of it once"
>scale Fw 189 with two
>fox 35's and later two
>0S 40's.

I've never flown a twin, but some masochistic lunatic built a quad, and I flew that. It was pretty good.

Brett

Jim T. · Dec 28, 2000 08:25 AM

#3 source
I'm building a Trixter A-B Twin for Old Time Stunt. It has twin profile fuselages with the inboard engine out and the outboard engine in. It will have two Cameron 19's (Out of my stash of 10; learned to fly on a Cameron in 1953). The fuel tanks go through the fuselage so I think I can fix it where both engines will run the same. The idea was that you bought two kits and joined them together to make the twin. I decided to build a single also. Fortunately I finished the single first because building it taught me some things. Building the twin requires some extra thought so that you don't glue A to C and then have to wreck it to get B glued in.

The basic framework: spars, center ribs, tailfeathers, and fuselages, is sitting on the work bench ready for glue. I assembled it last night and decided (with unusual wisdom) to let it sit until I could approach it in daylight, bright-eyed and bushytailed.

I might note that the single has a ST G20-15 diesel, and looks like it is going to be fine. However, the twin has glo engines; I'm not up to a twin diesel yet.

Jim Thomerson

John Miller · Dec 28, 2000 08:49 AM

#4 source
Yes, Twins can be fun and always draw interested onlookers. My good flying buddy, Gordan Delaney probably has more hours logged flying twins in competition than anyone.

He encouraged me to build a Twin Flite Streak for classic competition. It's 79+ inches in span, uses a pair of .20's. It flies the pattern quite well even though it has no flaps. I would recommend this plane to anyone who wants a competitive classic legal twin.

John

Willis Swindell · Dec 28, 2000 03:20 PM

#5 source
I have built several twins. Two Foker D23’s one with a ST 36 in the front and a K&B 28 in the rear. The other with a FP15 in the rear and a FP 25 in the front. A Hinkel 219 Owl with two FP 20’s I still have the Fokers, the Owl bit the dust. My next project is a Hinkel 219 with two Saito 30’s. The push pull arraignment of the Fokker makes it a pain in the butt to start. All of them fly great.
Willis

Larry F · Dec 28, 2000 06:09 PM

#6 source
Hey, a pusher-puller is a twin! Check out Willis. Imagine flying stunt with no net engine torque to deal with. You could have a world beater!

How about a Cessna 210 for really pushing the envelope? A high wing twin, crossing two stunt barriers at once.

Willis will tell you how to start the rear engine without breaking the booms.

Larry F

Willis Swindell · Dec 28, 2000 07:58 PM

#7 source
Larry
Being a pitman for all the racing events and combat for 35 years I don’t flip props with my fingers, I use a starter. The rear engine is above the stab so it is a strait shot to the spinner. Starting the engine is no problem, but after it starts you then have to remove every thing and move to the front, reverse the starter, and reconnect, While moving around the holder. While at a contest you really have to hustle to finish your flight in the time allotted. This is what led to the Hinkle 219 easier to start.
Willis

lsg3240 · Dec 28, 2000 10:04 PM

#8 source
At the tender age of 14 I saw a B-36 in a Houston Texas Hobby shop. It had six fox 25's. I dont really recall anything else except it was big and flew on 120 foot lines. Seems like it had a pressurized fuel system. Ever since then i have had this little quirk about multiple engines. Some people notice girls at fourteen, I noticed control line with lots of engines. Been kind of strange ever since.

Larry F · Dec 29, 2000 12:07 AM

#9 source
At the age of 14, we all had raging hormones. Some of those hormones pulled us towards balsa. Other hormones pulled us in other directions, which have worked out well for most of us.

As we get older, the balsa hormones begin to dominate.

Larry F

Larry F · Dec 29, 2000 12:12 AM

#10 source
Thanks for the pics! If the rest of you want to see them, I am sure Willis would send them to you. Nice Stuff!

Larry F

jacobite · Dec 29, 2000 03:40 AM

#11 source
I've built 2.
First was a profile Me110 from Aeromodeller plans, flew well with 2 OS Max25's.
Sold it without engines before emigrating to Australia 20 yrs ago, still wish I'd kept it.
Next I built a 56 inch span, 650 (or so)square inches and put the Os engines on it.I made a foam wing for it, 2 inches thick.
It flies better than the Me110 did due ( I think ) to the larger wing.
They are a blast to fly, the engines beat together to produce a beautiful sound.

Dave Moffitt

denlip · Dec 29, 2000 04:45 AM

#12 source
I've built the Sterling p-38 and Debolt A/2 a F7F and a few R/C twins. Hit my peak in my 20's I built the B-36 from T.M.H.K. yes the huge Japaneese kit. didn't have 120 ft lines. I was young skinny and flew with double 70foot lines and a parachute harness with a friend holding on to me. 10 laps was real work.Kit was $14.95 just saw one go on E-Bay for around $700.00 Who knew


I've built sterling p-38. DMeco A/2 built a twin or 2 r/c but hit my stride in my 20's. A thread from isg

Randy · Dec 29, 2000 09:55 PM

#13 source
Brett,

Yea, I thought 4 OS FPs and a central pressure bladder for a tank was pretty cool, if you like that much work.

Randy

Currell · Dec 30, 2000 01:07 AM

#14 source
I built and flew the Sterling P-38, for .09-.19.

20 years ago, I scratch-built a twin boomer around a Shoestring wing, and made the tips a bit longer. I designed it around two McCoy .19 Series 21s (the ugly square ones, with the finned case), which was a mistake, because it will be too nose heavy.

I haven't flown it yet,it is hanging in the workshop, and there are artful spider webs transversing the booms as I type this...

Currell

Garf · Jan 01, 2001 01:29 PM

#15 source
My only twin was a scratch built 1/2A model with 2 baby bees.
It was copied after the Scientific series of profile models and flew very well. I love the sound of 2 engines coming into sync.

"SAVE ALL THE PIECES"-Phil Brown

Bob Balsie · Jan 03, 2001 07:59 PM

#16 source
Quite a few years ago, ##### Sarpolus designed and built a twin engine controline model called the TC-2.It looked really cool, and he reported that it flew pretty good as well. I've got the plans somewhere. I think that the recommended engines were .30's.

Bob