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Great Planes Giant Big Stik XL 55-61cc Gas/EP ARF - RCGroups Review

This popular airframe has seen many sizes, kit types and power options. Nikolei checks out this new giant-scale ARF Stik offering from Great Planes.

Splash !Another Stik? *GIANT* Big Stik! | spec2 | |> Product: |< Great Planes Giant Big Stik XL 55-61cc Gas/EP ARF |> Wingspan: |< 96.5" |> Length: |< 85" |> Wing Area: |< 2029 sq in |> Wing Loading: |< 20-24 oz sq/ft |> Weight: |< 18-21 lb |> Motor req: |< 55cc Gas / RimFire .65 Elec |> Servos req: |< 7 High Torque |> Price: |< $499.99 |> Available from: |< |> PDF Manual: |< Click Here The Big Stik is an extremely popular airframe that has been around for quite some time. From small electric 38" to huge 144" gassers, the Stik has a size for everyone. The large fully symmetrical wing makes it stable yet fun for sport aerobatics. Great Planes recently released the largest Big Stik ARF yet, a 96.5" 50-60cc beast! Nikolei just got his hands on one of these monsters, so let's take a closer look. !In the Box @BOX1.jpg @BOX2.jpg @BOX3.jpg @BOX4.jpg The Giant Big Stik XL came with all of the major pieces nicely wrapped in plastic and taped together to avoid shifting parts. The parts taped to the box were a bit loose, but nothing appeared to shift much. As I pulled each piece out of its plastic bag, I was impressed with the quality of covering. No wrinkles or loose covering at all. Some of the cut edges did need to be ironed down a bit, and I did end up needing to tighten up some areas with the heat gun after the airframe sat in my hobby room during construction, but it all tightened up excellently! @BOX5.jpg @BOX6.jpg Inside you'll find the wing panels, metal wing tube, 2 fuselage halves, heavy duty landing gear and all of the hardware needed for pushrods, hinges, etc. You'll also find a nicely illustrated manual and 2 decals to be added to the fuselage sides once the halves are joined. @BOX7.jpg !Assembly !!Accessories Provided by Hobbico I'll be powering the Giant Big Stik XL with a DLE-61, 3200mAh Life pack, Futaba S3305 servos all around, and a 24x10 prop. I chose the DLE-61 over the 55 because I'd like to add a payload drop for our famous candy-drops at Fly for Tots. That engine with this monster wing should be able to haul a bucket-full! @BOX8.jpg Other accessories I've added to complete the build is a small anodized fuel dot and colored fuel tubing, and wing servo harnesses from Taildragger RC, a Tech Aero Ultra IBEC ignition cut-off, and a heavy-duty switch from Electro Dynamics. !!Wings Despite the size, the wing construction was extremely easy. The main task on the wings was simply gluing in all of the hinges. I mixed enough epoxy to get the first half of hinges into one wing panel at a time. Once the hinges were done, I got the servos installed and connected to the dual-servo wing harnesses from TDRC and mounted the control horns. These servo harnesses make multi-servo wing connections super easy and painless, I highly recommend them! @ASSEM2.jpg @ASSEM3.jpg !!Fuselage With the fuselage, you start off by joining the two halves by first gluing in the alignment pins and then slathering epoxy on the joining surfaces. The holes for my alignment pins needed very slight sanding to get them in. I'm not sure I mixed quite enough epoxy for all of the surfaces on both halves (so make extra when you do it), but it was enough for a thin coat and it felt secure to me once cured. @ASSEM6.jpg Next was getting the tailfeathers squared up and glued in. My horizontal stab slot needed a touch of sanding on one side to level it with the wing, but I encountered no major issues getting this and the vertical glued in and square. Once the hinges cured, I mounted the control horns and installed & connected the 2 servos for rudder and elevator. With that and all of the hinges done, the tailwheel and landing gear were mounted without issue. I used a small piece of wax paper taped to the fuse when gluing in the tailwheel to make any extra epoxy cleanup easy. I Dremeled out holes for my switch, ignition light and fuel dot at this time as well. @ASSEM4.jpg @ASSEM9.jpg The manual says to install the battery & receiver now, but I decided to get the engine mounted so I could do a rough CG check before deciding the location of those things. When drilling the holes for the stand-offs, pay attention to which pre-marked symbol corresponds to your engine (assuming its one of the few they called out). I marked mine with a pen to ensure I drilled the right spots. @ASSEM5.jpg @ASSEM15.jpg The right edge of the firewall needed to be Dremel sanded down a few millimeters to clear the muffler of the DLE-61, and shouldn't be an issue at all for the 55. With the holes for the fuel line and throttle rods drilled into the firewall and the engine mounted, I assembled the throttle servo box and mounted the servo to it. With the throttle control rod loosely held in place to the engine, I held the servo box to the side of the fuse and marked a good level for it before gluing it in place. Also note that the pivot-ball provided with the kit is not the same thread as the DLE throttle arm hole. I ended up having to drill mine out a bit and used a normal Dubro 2-56 ball-link. @ASSEM8.jpg @ASSEM10.jpg I set my balancer up to the recommended range and hoisted the beast on. With the battery and ignition all the way up front, about 7oz* of segmented lead brought the nose down to level. To verify, I used a bubble level on the horizontal stab. I used some epoxy to secure the lead and then secured the battery and ignition with velcro on the bottom and straps surrounding them. You'll notice that the throttle box was just high enough that the ignition fit nicely under it. **Note: When we turned on my mix for flaperons (flaps that act like ailerons), we got some intermittent ignition sputters when doing rollers across the field, which didn't present itself with flaperons off. It was diagnosed that the LiFeSource pack voltage was dropping very low when the servos were pegged. For the following flights, I added a 2nd LiFe pack and noticed no further issues. @ASSEM12.jpg @ASSEM13.jpg If you're choosing a gas engine for the Big Stik, the kit does include a gas tank & clunks. However you'll need to add 2 packs of DUB-813 barbs to your cart to prevent the fuel line from slipping off. Also, as I wasn't sure if the rubber stopper was gas-friendly (a lot aren't), I played it safe and got a DUB-400 gas stopper as well. With the barbs soldered on and the stopper assembly done, I buttoned up the tank and used some spare long velcro loop straps to secure it (the included velcro is fine, I just prefer the ones that have the plastic loops on one end). @ASSEM14.jpg @ASSEM15.jpg You may notice I opted to mount the tank at the rear of the tray, instead of up front where the hatch is. You always want your tank to be as close to the CG as possible, so your flight characteristics don't change as your tank empties and changes the CG. Finally with the tank mounted, I routed the gas lines to their correct spots including a hole drilled in front of the landing gear for the vent tube. @ASSEM7.jpg @ASSEM17.jpg I had intended on mounting the receiver up by the receiver pack and switch, but it ended up taking less servo extensions to locate it under the wing. And since it's light weight, it won't affect the CG much. I whipped up a couple scrap pieces of wood and cut them to length to make the perfect mounting areas for the receiver and wing servo harnesses. @ASSEM16.jpg As a last detail, I wanted somewhere to keep the wing bolts and wing bolt plate during transport. A couple pieces of scrap foam sandwiched between the side of the fuselage and the gas tank made a prefect spot to hold these with just friction alone. !Completed Big Stik The finished Stik came out to 18.8lb AUW. It looks great, has a great big presence on the field, and should be a great flying plane. Let's go find out!! @Capture.png @STATIC1.jpg @STATIC2.jpg @STATIC3.jpg @STATIC4.jpg @STATIC5.jpg @STATIC6.jpg @STATIC7.jpg @STATIC9.jpg @STATIC13.jpg @STATIC14.jpg @STATIC10.jpg !Flying !!Takeoff & Landing The Giant Big Stik climbed into the air quickly once we added throttle. Once in the pattern, it needed only a few clicks of down elevator and left rudder to be hands off. After a few circuits and some full-throttle passes, it was quite evident that the DLE-61 was PLENTY of power for this big bird, and should work nicely for lugging up a few pounds of candy for the kids at Fly for Tots! Stall tests were extremely tame, with the nose simply sliding down until airspeed was re-achieved. Flap tests with the recommended amount of down elevator mixed in worked ok, but needed more down. I added more travel and ended up at 15% and 25% down elevator mix for half and full flaps. Even with full flaps, this big bird took a long time to slow down on final. I credit this at least in part to having to keep the idle RPMs up a bit until it gets some more run-time and needles fine-tuned. In future flights, I may try programming in some crow into the ailerons and see if that helps get this giant Stik as slow as I know it'll go. Landings also proved uneventful, with that huge wing giving lots of lift even at slow speeds. We had to cut the throttle on the first few landings as our idle was set a bit high, but once we got the flaps dialed in landings & touch 'n goes were a pleasure. !!Aerobatics With its huge fully symmetrical airfoil wing, basic sport aerobatics were handled with ease. Inverted flight was basically hands off! Loops and rolls were no problem, but knife-edge flight was a little tough to hold altitude & alignment. The big wing doesn't want to stall, so the few snaps we attempted were slow and sluggish. Other than that, my pilot Alex had a lot of fun putting it through various sport maneuvers, and the DLE-61 had plenty of power for all of them. While the control surfaces are relatively large, we didn't find that it liked 3Ding much...which is ok, this is a sport plane after all! Hovering at a safe altitude was possible, and some mild harriers too, but this isn't the plane if you want to do rolling harriers on the deck. !Flight Review Video
Great Planes Giant Big Stik XL ARF - RCGroups Review (8 min 53 sec)
!Flight Photo Gallery @FLIGHT2.JPG @FLIGHT1.JPG @FLIGHT3.JPG @FLIGHT4.JPG @FLIGHT5.JPG @FLIGHT6.JPG @FLIGHT7.JPG @FLIGHT8.JPG @FLIGHT9.JPG @FLIGHT10.JPG @FLIGHT11.JPG @FLIGHT12.JPG @FLIGHT13.JPG @FLIGHT14.JPG @FLIGHT15.JPG @FLIGHT16.JPG @FLIGHT17.JPG @FLIGHT18.JPG @FLIGHT19.JPG @FLIGHT20.JPG @FLIGHT21.JPG @FLIGHT22.JPG @FLIGHT23.JPG !Summary The long history of the Stik speaks for itself, and this addition to the family does not change that. This 8' wingspan ARF is a beast of a plane, but flies like a trainer. The big wing and symmetrical airfoil give options for any pilot, whether you want to drop payloads, flap & landing practice, basic aerobatics, or simply fly around...the Giant Big Stik is a gentle giant that'll handle em all. What's more, you have power options depending if you like the long flight-times of gas, or the simplicity of electric. If you've owned a Stik or two in the past, you need to add this one to your collection! If you haven't, I'm sure this Giant Big Stik won't be your last of the famous Stik family! !!Hits
  • Proven airframe, in a really BIG ARF package
  • Nicely covered
  • Quick assembly
  • Good hardware
  • Well illustrated manual
  • Plenty of room for gas equipment or batteries for electric setup
  • FAST field assembly
  • Flies like a big trainer
  • Good fast & slow speed envelope
  • Virtually no stall
  • Throttle/Carb arm hardware doesn't fit the gas engines they use in the manual
  • No barbs or gas fuel line provided, unsure if provided stopper is gas-compatible
  • Questionable fuel tank placement in directions
  • Wheel-pants would've been nice
*Many thanks to Hobbico for sending the Giant Big Stik XL for review. And to my helpers at the club, Alex Fredrickson and Rodney Earp. ! Review Policies Our intent is to provide fair and unbiased reviews so that consumers can make informed decisions regarding new products. Some things you should know about our review process:
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Last edited by Nikolei Zinsli; Feb 14, 2018 at 12:17 PM..
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Feb 21, 2018, 07:24 PM
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Bhodi11's Avatar
Nice review Nikolei! Holy cow that thing is HUGE! Gonna make a sweet candy dropper!!! Alex will definitely be jealous ;-)
Feb 24, 2018, 04:45 AM
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You used a larger than recommended engine and "still" had to add almost a half a pound of lead? You would think that it would be "designed" not to need all that weight to balance it. My 40 and 60 size Stiks did not need any extra weight at all. I think I will wait to see one before I pull out the wallet for one of these
Feb 24, 2018, 08:34 AM
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GWRIGHT's Avatar
Strange,.. I don't remember seeing extra weight in it so I looked up the dle 55ra and dle 61. The 55 says 3.74 lbs and the 61 says 3.02 lbs. probably explains why he added weight. I flew the company plane a lot at the neat fair with the rimfire and 12s in it, and I really wanted to move the CG back from where it was, but I generally like everything really far back. It had no extra weight in it for CG. I prefer electric with the added power and immediate throttle response, but either way it has a lot more power than needed. Thats a 55 in he product video on the tower website and it has more than enough. Slow flight with the low wing loading and thick wing is a delight.
Latest blog entry: blog
Mar 27, 2018, 05:33 PM
What could possibly go wrong?
It may be designed to anticipate a broad range of engines including some fancy multi's, radials etc. It'd be a good platform if you have an interest in that type of engine
Apr 02, 2018, 03:37 PM
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eihoward's Avatar
Anyone plans to fly this plane with electric power?

Jun 30, 2018, 04:54 PM
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This is my new giant XL stick . custom built fuselage with nose gear.
I tapered the nose in too for better aerodynamics.
Just need to cover it and strip the wings for my color option.

It has a DLE 60 twin with a 23 inch propeller with 3.25 more inches from the ground.

How do you like the OS 160fx mufflers on the twin?
I had adapters made for my DLE 30 and get 7500 RPM on a new motor and half the noise.
On the DLE 60 the os 1.60fx muffler are twice as large as stock can mufflers . I know on the dle 30 it is much quieter so it should be okay for the DLE 60.
I will Try the OS 160 mufflers and see what it will do on the DLE 60.

All most done.

I do not fly 3d so no need for all out power or weight problem

You can see I put the servos in the tail and still balanced perfect.
The weight with the nose gear is still the same weight as just the original fuselage so this plane will be no heaver than the original.

I you can see I custom built my own Gp giant stick 30 with a twin RCGF 30 T

I use everything but the fuselage.
Last edited by kenstick; Jun 30, 2018 at 06:23 PM.
Jul 01, 2018, 06:46 PM
Registered User
Fults gear

These are extremely hard to find.
Last edited by kenstick; Jul 09, 2018 at 05:51 AM.
Jul 02, 2018, 07:48 AM
If it's R/C, I LIKE IT!
Nikolei Zinsli's Avatar
Thread OP
Nice work!
Latest blog entry: 93" AJ Laser 230z
Jul 04, 2018, 10:31 AM
Registered User
Originally Posted by Nikolei Zinsli
Nice work!

Thanks getting ready to cover this week. Than I will start another one with a RCGF 50 V2 and see how that works out.

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