Engine to use on my Humongous

Just got the kit for this plane from RSM. Would like to put something on it that is somewhat period correct. Not planning on a sparkie but had thought about a Atwood Triumph 49 or 51. Had also comtemplated my OS 58. This kit has the wider beams for the larger engines such as up to a ST 60. Anyone got a Atwood GD 62 for a reasonable price or trade to make this thing a happening? Anyone got any suggestions for a engine to use If I can't come up with something vintage? I didn't mean to make this post look like something that should have been in the classified like it did at first. I hope this makes it better now?

Mine flew fine with a K&B 4011. A Madewell 49 ought to work. The nose moment is pretty short so a heavier engine would be OK. A K&B 61 should do OK, Maybe a Fox 59.

OS .46LA or ST G.51 would work super. I started with a K&B .40S (#4055), and it was dangerously underpowered. Fuel tank space is limited, so the ST could be a little tricky. Old stuff is too much hassle to keep running (parts hard to get) for ME to deal with. A PAW .40TBR diesel would be awesome! I have one...and it's available, NIB. Steve

Bill,
Kaz Minato had a very nice take apart Humongous at Brodak this year, I spoke with him at length about engine chice for his model . He powered his with at Stalker 40 (Maybe 46)?

The model required extra nose weight to help balance , His advice to me was use a heavier engine , as the power would be better with a larger engin, better than having alot of extra lead weight on your model .

His was very light , some type of iron on film , painted trim colors , flawless workmanship , as usual to Kaz., but still came out tail heavy ..

Bill - My Stunt Rocket flies extremely well with an Atwood Triumph .49 glow. I made a few minor but required changes to the engine and it has performed flawlessly for the past two years. Also, it runs extremely well with a muffler, which is not the case for many of the older powerplants.
Let me know if you need more information.
Bob Z

Ron B.
F4Fguy

Bill:

Somebody up there doesn't want us to communicate,this is the third time I've tried to send this.Each time it has disappeared into the maw of inter-space never to be found.In any case ........

If you show me yours I'll show you mine!Here's my Humoungous,built from the RSM kit.As usual with Eric's kits the wood was very good and all of it was useable.It built light and true with only minor glitches.Power is a 1949 Triumph .49 Glow which I've had forever.I'm running a 12-5 modded Zinger and 5%fuel with 22% 50/50 lube.While I'll admit a modern engine may offer some advantage,I feel strongly that using period correct engines is more in the spirit of the event.This applies also to materials and hardware,as long as no safety issue applies.As a result,in addition to the powerplant,mine was built with Ambroid,covered with silk,trimmed with Jap tissue,and brush painted with SIG nitrate clear and SiG butyrate clear as a fuel proofer.It also has Banner wheels,a B&D/VECO spinner,and a five oz.tank made by remanufacturing two four oz.Vecos.The stab/elevator hinges are modified Hal DeBolt "speedwagon" type,which are very free and smooth.
Finished weight,ready to fly,after trimming,is 42 oz.,and balance is right on the 25%point with no ballast.I suspect a little more corner is available by moving the C.G.back ,perhaps as far as 30%.
I think you'll like the HUMOUNGOUS,Like most of it's better contemporaries,it's honest and fun to fly without any "foibles",in addition to being a competitive Old Timer.
Since these pics were taken,I've added a tongue muffler made from DUBRO exh.ext.tubing this takes some of the "bark"out of the Triumph,and allows muffler pressure(though up to now I've not used it).

Ron, the wood in my kit is excellent and all lazor cut. Beautiful kit to say the least, almost a shame to build it. Apparently you have found the Atwood 49 to be adequate power. I have not made a decision on the engine yet. I have a couple old ENYA's a 60 and 63 that might be a good choice. I believe that these are the old Typhoon model. When I get it finished I'll send you the pic's. I build slow so this may take awhile.

Bill:
The Humongous I place third with at VSC last year had an ST 46 in it; I also flew it in competition with a LA46. The performance was the same. I knew Ted snow very well he was one of my mentors. Ted was a prolific builder and wonderful man.

A story I love t tell about Ted. I was 20 years old and working as an Auto mechanic. He had a Ford Ranchero that the transmission was bad in (C-4 automatic). He asked me what I would charge him to change it out with another one and I told him one Humongous wing. We both started work at the same time and it took me under three hours to swap out the transmission. When I started the car he walked outside his shop with a completed wing in his hand.
You will love that plane it fly’s great.

>Bill:
>The Humongous I place third with at VSC last year had an ST
>46 in it; I also flew it in competition with a LA46. The
>performance was the same. I knew Ted snow very well he was
>one of my mentors. Ted was a prolific builder and wonderful
>man.
>
>
>Larry Foster

Larry, since you knew Ted Snow, would you know if any of these twin Comets survived? If so, it would be very cool to get drawings made, IMO. PAMPA at one time had a cadre of volunteer draftsmen for such projects. Steve

Steve:
Contact Jim Beaman 520-883-7732. He is taking care of selling all of Teds stuff.

My version of the Humongous weighed 43 oz and was powered by a Dixon FP 40. I am convinced this engine is not enough for the 2" thick airfoil. I crashed it on the fifth inside loop when the landing gear just hit the pavement and caused exstensive damage as the LG went up through the bottom of the wing. After it is repaired I am going with an Enya 45. After seeing Pete Peterson's classic stunter fly with this engine I think it should have the right power. I have seen them flown with the DD Star Lite 60 also, one by Keith Varley and Emil Kovac. I still don't like the box stock LA 46 as it only seems to work on one combination for me and I hate the look of the asp props. A classic and OT model needs wood! Still I loved the way this plane flew and never really got to feel it's potential. One thing for sure the way the engine sits in the plane a heavy engine won't hurt it, the FP 40 needed 2 oz of nose weight. It also lends itself to experimentation with different engines. Jim J. Olympia, WA

The two larger Comets are owned by Tulsa Gluedobber Tom Martin. The red one uses Fox 25's and I think the green one has Enya 15's. The smaller one is sitting by my computer. I think the two larger ones are stunters. The smaller one is a profile scale ship. It has two throttled Cox Medallion .049's, a fully sheeted built up wing, and a flap under the wing center section that deploys when engines are throttled back.
P. S. Tom said Ted Snow's last Humongous was powered by a Fox 59.

Have decided to put a Triumph 51 on this plane. Any advice pro or con to this decision?