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RE: Question??
[/quote] What? Someone landed on the moon. When?[:)] [/quote] Don't sweat it too much; the country that is credited with doing so will likely be surpassed by China's advancing technology in due course and will rewrite history...
Posted on: 8/23/2012 9:59 AM by Author "H5606"
in the forum "The Clubhouse"
http://www.rcuniverse.com/forum/fb.asp?m=11203486
RE: Question??
[quote]ORIGINAL: Mr-Punk me and 2 other guys were flying and chatting a bit and got into a small debate about the origins of flight. We didn't know if it was 1903 or 1904 when the Warner brothers made the first powered flight with a human on board.. The engine was a issue too. I thought it was a early Ford engine before ford became a company. The other guy figured it was a early Briggs b4 he met Stratton.   [/quote] I'm not quite sure this comment is sincere. Questioning the year and butchering the name - especially when it can be found easily on the internet - shows a general lack of respect for such accomplishments. For a person having an interest in aviation at all, this is common knowledge. I would find it hard to believe that a milestone like this one is not taught in grade school along with other aerospace milestones such as crossing the Atlantic Ocean or landing a man on the Moon.
Posted on: 8/22/2012 3:55 AM by Author "H5606"
in the forum "The Clubhouse"
http://www.rcuniverse.com/forum/fb.asp?m=11200963
RE: BH Twister
[quote]ORIGINAL: Texastbird What's RTA? [/quote] Ready-To-Assemble.
Posted on: 8/6/2012 5:21 PM by Author "H5606"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=11183432
RE: BH Twister
The cowling was way too thin and damaged with chipped paint missing so I decided to add thickness. Because epoxy doesn't seem to do well over polyester and my old K&B resin looked like Jello, I decided to buy a quart at the local auto parts store. I wet sanded the paint off the cowl, cut patterns from stiff paper, cut lft, rt, top, and bottom pieces of 6 oz glass and applied them to the inside of the cowling to triple the thickness...
Posted on: 8/5/2012 5:00 PM by Author "H5606"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=11182142
RE: BH Twister
[quote]ORIGINAL: Neo gold Ah, i remember my old twister!....had bags of fun with this & i had an OS 46AX initially..then upped it to an AX55 ...silly thing to do!, flew the wings off this for a few seasons until i got a little daft & plowed it into the ground 'from an unrecoverable flat spin'.....i had no problems with the hinged & pinned controls surfaces at all... This will do most manouvers with the utmost ease...you can take off & land this with your eyes closed...honest!, you'll get super~over confident with it...enjoy. Marc. [/quote] Good to know; thanks for dispelling any concern over the hinges. I hope I have as much fun with it as you had.
Posted on: 8/5/2012 4:18 PM by Author "H5606"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=11182072
BH Twister
This is another defunct RTA airplane that I couldn't pass up from Hobby People. I believe it was on sale at the time & at a price I couldn't resist. It is of conventional design, shoulder wing, constant chord, tail dragger, with approx 540 sq. in. of wing area for a .35 to .45 size 2-stroke and is built in Vietnam. Upon initial inspection, the bump that represents a canopy has to go. The main gear is too far forward and in my opinion, has to move back behind the leading edge rather than where the mfg located it fwd of the LE. The "pinned" piano-style hinges also bother me particularly since it looks like hot-melt glue was used to install them.
Posted on: 8/5/2012 3:43 PM by Author "H5606"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=11182014
RE: chipmuck
One of the major issues at stake here is how to pronounce "Chipmuck" and did deHavilland have anything to do with this version of their trainer? Could Art Scholl and his dog, Aileron have flown in a "Super [Chipmuck]"?
Posted on: 8/2/2012 4:36 AM by Author "H5606"
in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=11178209
RE: Anyone remember this plane?
It sounds like something from the St. Cloud or Kissimmee, FL "Cloud Dancers". Perhaps, Don Muddiman's Flying Machine?
Posted on: 8/1/2012 4:16 AM by Author "H5606"
in the forum "Sport Flying"
http://www.rcuniverse.com/forum/fb.asp?m=11176953
RE: Vintage BH Sport Model
Additional mods I made include: -adding another hinge point to the elevator halves for 3 each side instead of 2. -adding some ply doublers to the fuselage servo tray to give more bite for the mounting screws. -substituting #4(?) flat washers for the stock black plastic collars that are supposed to be used with the control surface screws (horns). -substituted a couple easy connectors. 1st Flt 7/11/12 I was anxious and rushing to fly on a club meeting night at the field before sunset. After removing the cowl, I ran a bit of fuel through the new engine and was satisfied after a restart that I had enough consistent power to fly even though needling was sensitive. Takeoff took a lot of back pressure to un-stick but once airborne, I put the nose down and established a conservative climb attitude. I flew mostly straight and level with low bank angle turns until the engine quit. I was at the downwind end of the runway and had a little more altitude than I wanted, so I performed a descending 360* and found out how much altitude and speed was lost at 270* when the left wing dropped right now! I let go of everything as it was too low for recovery. [b]Surprise[/b] - this airplane snaps easily! Because of the tall grass before the threshold of the runway, embarrassment was limited to a bent nose gear strut and the fork didn't break. I straightened it and flew a couple more flights that evening but the engine continued to degrade in consistency.
Posted on: 7/28/2012 5:34 AM by Author "H5606"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=11170061
RE: Vintage BH Sport Model
[quote]ORIGINAL: freddy s To H5606,i have definetely found that if elevator and or ailerons throws are to large or if you pull to much it will snap hard.And just to mention it mine looked like yours at one time to,but 4 yrs.and many flights have taken their toll.Still fly it regularly,am very comfortable with it and its fun. [/quote] I like the way it tracks when at speed, however, I plan to explore slow flight characteristics as the engine breaks in. I'm glad I'm not the only one seeing this trait. I'm really surprised that just at a glance, a shoulder wing airplane with plenty of wing area, constant chord wing, long tail moment, and moderate weight would exhibit this trait... Down elevator seems overly sensitive and K.E. requires some down at #3 of a 4-point as it pulls toward the canopy. I know its just a band-aid and don't even know whether it will work, but I'm thinking of installing some tri-stock (stall strips) at the root area of the leading edge to propagate the stall from the root. Or maybe just learn to fly this type of airplane? If nothing else it will keep me on my feet! I think at a minium I'll reduce elevator travel. Bottom line - so far, I'm having fun with it!
Posted on: 7/27/2012 3:55 PM by Author "H5606"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=11171605
RE: Vintage BH Sport Model
Thanks for your input on the Magnum .46's, [b]stuntflyr[/b]. After thinking through the first flights, I decided to recheck the fuel tank for leaks. I'm using a 3-line system with a Hangar 9 fuel dot. So far, I can't get it to stay put; it just keeps popping out. It seems like it needs some channel for the o-ring to pop into that isn't there... What's the fix for this? Back to the tank - when I finish assembling a tank, I pinch one line while blowing in the the other until my face turns blue, then pinch the other line and hold both for a reasonable period, then release one line and listen for the rush of escaping air. When I pulled the tank out, I discovered fuel on the outside of the tank - clue #1. The fuel tank compartment isn't fuel proofed - fuel stains were evident there - clue #2. I did my quick fuel tank check and it was weak. I suspected the stopper and after submerging the tank, saw the tell-tale bubbles while blowing. So, I tightened the stopper on the BH supplied tank until it sealed. I did the best I could cleaning up the interior nose with some K2R. I remember now, the first of 3 clues should have been the air bubbles I noticed in the fuel line of the uncowled engine I did for the first flights. I have a half-dozen flights on the airplane at this time. The sensitive needle problem seems to be gone. The engine is beginning to exhibit nice running characteristics with ample power on the break-in prop - a 10X6 APC. I'm running Omega 10% w/ some added Sig castor. I've blown both muffler gaskets the engine was supplied with each time finding the tell-tale black gook trailing from the engine compartment. I'm going to try running without a gasket to see if what works on other brands of engines works here and switch to an 11X6. To [b]freddy s[/b], it looks like you're very comfortable with this airplane as an "engine rat". Have you or anybody else that is familiar with it seen the snapping tendency at low airspeed or when pulling hard on the elevator?
Posted on: 7/27/2012 3:47 AM by Author "H5606"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=11170584
RE: Vintage BH Sport Model
[quote]ORIGINAL: stuntflyr Mine are used on these two models, son's BH Speed Air 40 and Dad's RCM Trainer 40, about the same size as your, ah, ahem... Super Sphincter! Chris... [/quote] As much as I didn't want to, before pulling the backing off, I decided to cut down the number of letters on the right wing panel so...
Posted on: 7/26/2012 6:38 PM by Author "H5606"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=11170629
RE: Vintage BH Sport Model
Pictures of trim removal from the wheel pants and fabrication of 1/16" plywood doubler rings used to support the fuel dot in the cowl and outboard portion of the main gear wheel pants around the wheel collars. i.e. I didn't like the wheel pants to be solely relying on the cantilever attachment to the axles.
Posted on: 7/26/2012 6:28 PM by Author "H5606"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=11170614
RE: Vintage BH Sport Model
Because of the concern over the nose gear fork being too brittle, I stuck it in hot water like Top Flite used to advise doing to their nylon props to hopefully condition it and relieve stresses. The motor mount has a gummy texture and was too narrow for the Magnum .46 case, so I opened up the bearer spacing with a bandsaw and cut off the excess length. While I was in the area, I opted to remove the nose wheel pant for anticipated rough field operation and painted the wheel hub to match the a/c.
Posted on: 7/25/2012 6:32 PM by Author "H5606"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=11169376
RE: Why the near obsession with over powering airplanes?
I can think of at least one airplane modelers commonly overpower - the most common high-wing, scale airplane in use at many flying fields today - the Piper J-3. Those that seem to be less knowledgeable use the mentality of: " if more is better, then too much is just right". Those that fly this airplane with engines in the upper ranges are missing something and may never experience the rewards of "flying on the wing". A Cub just doesn't look right flying at a bazillion mph. Look at the full-size fly by some time. You almost can't fly a model of one slow enough to justifly realism. Power management with this mentality is also usually nonexistent and many don't even use the left stick (mode II) hence no coordination w/ rudder in turns. If you think that: "if I only had more power, I wouldn't be picking up pieces", then you need to learn how to fly. The larger engine in this case equals more weight and the airplane can never, ever fly the way it was meant to - even at reduced throttle settings...
Posted on: 6/21/2012 9:32 AM by Author "H5606"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=11126254
RE: Why the near obsession with over powering airplanes?
A four-stroke .91 on a .40 size Cub may be a "starting point" but it'll be more fun in [b]capable hands [/b]with a .52 or a .40...
Posted on: 6/21/2012 9:29 AM by Author "H5606"
in the forum "ARF or RTF"
http://www.rcuniverse.com/forum/fb.asp?m=11126612
RE: My attempts...
windcosmic, Are you designing the Tsunami/Pegna to comply with rules of some racing class like QM-40 or Formula I or is it just for fun and to go fast?
Posted on: 6/19/2012 11:13 AM by Author "H5606"
in the forum "Extreme Speed Prop Planes"
http://www.rcuniverse.com/forum/fb.asp?m=11123974
RE: My attempts...
"Model Airplane" is an international language! I was able to access RCU in Poland. I can't speak or write Italian but it looks like you're speaking perfect "Model Airplane" to me so please keep going; I like it! Someone else recently turned me on to the Outerzone free plans site that you referenced in some of your posts in which I have similar interests...
Posted on: 6/19/2012 4:57 AM by Author "H5606"
in the forum "Extreme Speed Prop Planes"
http://www.rcuniverse.com/forum/fb.asp?m=11123475
Adding trim color
Can I put Monokote covering - not trim sheet - over Ultracoat and get it to stay? IIRC, one doesn't stay in place over the other... Thanks in advance for any advice.
Posted on: 6/14/2012 6:14 AM by Author "H5606"
in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=11117831
RE: K and B Talk
[quote]ORIGINAL: earlwb I have seen where bits of the top edge of the piston disappear though. Usually it was from the engine turning way to many RPMs for the design. Such as 18,000 RPMs or so. The excessive speed tends to wear out the piston and ring fast. Also beyond a certain RPM limit the piston ring starts to flutter, but usually that shows up as a power loss when you hit the RPM limit for a particular engine. [/quote] The engine wasn't "blueprinted" and I didn't have the knowledge to take advantage of: "I wasn't cheating! - it was just creative interpretation of the rules!" to get anywhere near 18,000 rpms. No wonder I got cuts at #1 pylon so much trying to keep up...
Posted on: 6/4/2012 8:44 AM by Author "H5606"
in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=11105854
RE: K and B Talk
As related to my first post, here's a pic of the Super Silencer manufactured by Irvine to fit a K&B .40; I believe it requires supplemental support about the muffler canister to relieve stress on the header union with the engine. They provided hardware to do the job and I used it w/o problem on a Midwest Hots - the muffler survived impact with the ground after a midair...
Posted on: 6/2/2012 5:34 PM by Author "H5606"
in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=11104125
RE: Cleaning Solutions
The crockpot/antifreeze method has worked very well for me too after complete disassembly; I don't place plastic or anodized parts in as I'm not sure they would fare well. I always despised the ugly baked on mess you see on four stroke mufflers - I tried syn fuel, painting the muffler and header pipe black, sealing joints with hi-temp RTV, etc, but nothing worked as well as simply applying Dawn Power Dissolver to the header and muffler before flight. When you're done for the day just wipe off and it looks as clean and shiny as new. I can't take credit for the idea above, I read an article in Flying Models or RCM that stated the author used Pam cooking spray to coat his muffler in the same manner - it didn't work for me using a Food Lion equivalent but the DPD does very well.
Posted on: 6/2/2012 9:15 AM by Author "H5606"
in the forum "The Clubhouse"
http://www.rcuniverse.com/forum/fb.asp?m=11102551
RE: K and B Talk
Here's something interesting that happened to the original piston in the 4011. I think I was racing in AMA 424 against TT .40's and I was perhaps pushing the engine too hard trying to compete and discovered this upon an inspection. Has anybody ever seen this? One end of the ring seemed to be deforming the top of the piston. I always position the ring gap at the 6 o'clock position when putting the piston in the liner but I don't know that it matters as the ring rotates freely... I know my old O.S. FSR had a dowel pin in the groove to keep the ring from rotating.
Posted on: 6/2/2012 8:06 AM by Author "H5606"
in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=11103696
RE: K and B Talk
[quote]ORIGINAL: blw I was rushed for time when I posted earlier today. His email address is: leecustom@msn.com I've sent a few questions to him and he os always prompt to reply. I suggest asking about what he has in stock, etc. He is a nice person to correspond with. [/quote] Thanks for the email address; I sent a message/inquiry to him today.
Posted on: 6/2/2012 7:33 AM by Author "H5606"
in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=11103678
RE: K and B Talk
[quote]ORIGINAL: optech The ABC engines are beasts.... They really run well on the tuned muffler. The sport mufflers are too restrictive and the end result is better, but not overly so than the ringed engine. I don't have all my rpm figures as they are in storage in another state as its been a while since I've messed with these engines. I always liked the standard .40 (it was my first ''real'' engine after .049s) but I LOVE the ABC .40s. I seem to recall that the tuned muffler will not be made anymore though but that might have been for the .61. As such I've kept a couple ABCs. One NIB and one slightly used. I also just picked up another used ABC as the price was really too nice to pass up and you don't really see used ones come up for sale. The standard mid size R/C engine has been the .45,.46 for some time now so the ABC .40 never really caught on. Must be a K&B thing as their .48s are awesome but was never a popular engine??? Keep in mind the ABC engine/tuned muffler are not luggers. If you want to turn a big prop, use the ringed one. Mike [/quote] Thanks; that's what I was hoping to hear! At least I have the one ABC version to look forward to running - although parts support sounds depressing. Your comment about "luggers" reminds me of the demise of the "short stroke", hi-rev engines migrating toward the "long strokes" - torqier, low-rev engines turning bigger props that seems to have been perpetuated by O.S. I'm not an engineer but I get the impression that there is more gyroscopic effect generated by the current .46's/.55's turning bigger props that require more right thrust and exacerbate tendencies during certain maneuvers... Some airplanes just seem to groove better with the smaller displacement, higher reving engines turning smaller props. When you said sport muffler, are you refering to the stock muffler or the one pictured with the ABC engine? The picture shows the three mufflers that I know of: the tuned muffler, the sport muffler (actually from a K&B .48), and the stock muffler.
Posted on: 5/31/2012 9:02 AM by Author "H5606"
in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=11100550
RE: K&B Sportster Club
[quote]ORIGINAL: buzzard bait I have both the .20 and .28 and they are certainly hard to tell apart. The cylinder head, backplate, and carb are identical and interchangeable. It's true that the .28 is not only bored out, it also has a little longer stroke. Are the crankcases different castings, or machined differently? It's hard to imagine they are different castings, but I don't know how to account for the weight difference. Jim [/quote] Okay, great info. Are you equally pleased with performance from both engines?
Posted on: 5/30/2012 6:42 PM by Author "H5606"
in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=11100613
RE: Hotser
I keep checking back; any progress to report?
Posted on: 5/30/2012 6:20 PM by Author "H5606"
in the forum "Extreme Speed Prop Planes"
http://www.rcuniverse.com/forum/fb.asp?m=11100592
RE: K and B Talk
[quote]ORIGINAL: blw Clarence Lee used to sell K&B engines at a 10% discount over Mecoa. I bought a carb and remote needle valve from him a couple of years ago. I'm missing his email address, but he has an engine blog here: http://www.modelairplanenews.com/featured-blogs/clarence-lee/ [/quote] Thanks, his adds appear in MAN; fwiw his address as of 06/2011 is: C.F. Lee Mfg. Co. 10112 Woodward Ave. Sunland, CA 91040
Posted on: 5/30/2012 6:14 PM by Author "H5606"
in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=11100580
RE: K&B Sportster Club
Okay, thanks earlwb.
Posted on: 5/30/2012 5:40 PM by Author "H5606"
in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=11100560
RE: K&B Sportster Club
Sorry if I upset the natural flow of discussion but I thought this would be the place to ask - are the .20 and .28 the same case size? The reason I ask is that the specs show the .28 to be slightly heavier; if it was a bored out .20 case, I figured it would be lighter.
Posted on: 5/30/2012 9:46 AM by Author "H5606"
in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=11100000
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