SkyAviations ARF Arrow - RC Groups
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Sep 29, 2017, 04:50 PM
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SkyAviations ARF Arrow


SkyAviation’s Arrow ARF
I just received the 1st Arrow ARF from SkyAviation’s and I am happy to say it looks very impressive. The covering on the wings and stabs are first class and the fit to the fuse is great. It looks like the wait for the fiberglass fuselage will be well worth it and the glow version comes with added carbon fiber in the glass at the nose and wing sections for added strength. The fuse is very strong and painted in the mold and has a removal top hatch / pipe bay. I will show the weights below but it looks like this plane should come in around 8 to 81/2 lbs. on glow.

SkyAviation’s will also offer an electric version that will also have the fiberglass fuselage but will not have the added carbon fiber in the nose and wing sections. I really believe that the glow version does not need it either since the fuse is so ridged. Over the next week Danny Jackson and I will be doing the build thread and getting info back to SkyAviations on some instructions for the new Arrows that will be shipped.

We are just getting started and should have more info on the build over this weekend. The plan will be to show how we thought the easiest and best way to build this plane will be. I understand everyone will find easier ways but this is where we will start. I know this has been in the works since February but I truly believe that SkyAviations wanted to do the right thing and that took some time. The kit comes with the standard accessories such as tank, wheels, horns, pushrods and motor mounts.
Todd Blose
In my Arrow I will using the following eq.
Motor OS Max 61 VFR
Macs Header
Novi Rossi 50042 pipe
APC 11 x 7 prop
TruTurn 2/12 Spinner
Futaba 16mz
Futaba S3071 HV servos on Ailerons and Elevators
Futaba S3102 on Throttle
SkyAviations retracts

Fuse with top and crutch 26 oz.
Wing right and left 12.6 oz ea.
Stab right and left 2.4 oz ea.

Here is the link for anyone interested. https://www.skyaviations.com/en/aerobatic-planes/
Last edited by toddblose; Sep 30, 2017 at 08:33 AM.
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Sep 29, 2017, 08:33 PM
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Hey Todd,
Glad to see you're involved in the development/testing of this great design. If it flys as well as it looks it may stimulate a few more folks to get involved and enjoy more "classic" pattern designs.

B
Sep 30, 2017, 03:03 AM
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How can I get one Todd? That is awesome!!
Sep 30, 2017, 03:40 AM
AMA 46133
Quote:
Originally Posted by mmcconville
How can I get one Todd? That is awesome!!
You can always order one.

https://www.skyaviations.com/en/aerobatic-planes/
Sep 30, 2017, 03:48 AM
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Thanks for the link!
Sep 30, 2017, 08:32 AM
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Thanks for the link SeismicCWave, Sorry i missed that Mike.

Thanks Brad, The kit is looking great and going together easy.
Last edited by toddblose; Sep 30, 2017 at 10:29 AM.
Sep 30, 2017, 08:36 AM
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I have continued to be impressed by the quality of the components of this kit. Today I started on the installation of the aileron servos and electric retracts in the wing. I finished both the right and left wing panel and have enclosed pictures after completion and the bottom of the left panel prior to starting. The gear block and wheel well were pre-installed as was the aileron mount. The aileron servo and gear cutouts were very precise. The aileron cutout was sized for a standard size servo. Both were precise fits for the expected equipment. The kit is designed for the Sky Aviation electric set, and it is what I installed. The supplied wheels are 2.25 and fit the wheel well without a lot of excess room. It was a very simple installation and worked without any problems. Next I will get the wing joined and let you know how that was done.
Last edited by toddblose; Sep 30, 2017 at 03:24 PM.
Oct 01, 2017, 09:20 AM
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Both panels have been completed and now they are ready to join. I installed the anti-rotation CF pins in one wing panel using 30 min epoxy and trial fit the wing halves together. The fit matches up very well and I will proceed to joining the panels using 30 min epoxy.
Last edited by toddblose; Oct 01, 2017 at 11:00 AM.
Oct 04, 2017, 05:52 PM
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Motor mount crutch install. (New firewall and crutch will be made for the glow version)

Since the Arrow was originally developed for electric power, the firewall was sized and drilled for an electric motor. A new firewall was made corresponding to the height of the raised pipe deck. The kit included beam mounts for the engine, but I decided to use a Dave Brown 60/70 radial mount. I had to trim the bottom of the mount slightly to allow the mount to be in the proper location to allow the engine to be centered on the proper thrust line. The firewall was then glued to the fuselage with epoxy.
The Arrow pipe deck and firewall that is furnished is to be used with electric power and batteries and the glow version will its own version. In order to be able to install a tank and radio equipment, the deck needs to be raised enough to accomplish this and leave enough room for the pipe. I engaged in a trial and fit exercise to arrive at a good fit that should work. Final fit will be accomplished later in the process.
Oct 04, 2017, 06:35 PM
AMA 46133
Quote:
Originally Posted by toddblose
Motor mount crutch install. (New firewall and crutch will be made for the glow version)

Since the Arrow was originally developed for electric power, the firewall was sized and drilled for an electric motor. A new firewall was made corresponding to the height of the raised pipe deck. The kit included beam mounts for the engine, but I decided to use a Dave Brown 60/70 radial mount. I had to trim the bottom of the mount slightly to allow the mount to be in the proper location to allow the engine to be centered on the proper thrust line. The firewall was then glued to the fuselage with epoxy.
The Arrow pipe deck and firewall that is furnished is to be used with electric power and batteries and the glow version will its own version. In order to be able to install a tank and radio equipment, the deck needs to be raised enough to accomplish this and leave enough room for the pipe. I engaged in a trial and fit exercise to arrive at a good fit that should work. Final fit will be accomplished later in the process.
In the Sky Aviation website they showed two different versions of the Arrow. One is glow and one electric. Are you taking the electric version and converting back to glow or did you get the glow version and still have to do some refinement?

https://www.skyaviations.com/en/aero...-glow-version/
Oct 05, 2017, 10:01 AM
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SkyAviations will have 2 Arrow models to offer. The glow version has carbon in the nose and wing saddle area for added strength where the Electric version does not. I did get the glow version and we are working with SkyAviations to develop the correct firewall and crutch for the glow version and so far this is the only parts that looks like they will need to be changed. I am sending all updated info to SkyAviations so the Arrow glow version will have all the correct parts they will be selling. Hope that helps.
Oct 05, 2017, 12:59 PM
AMA 46133
Quote:
Originally Posted by toddblose
SkyAviations will have 2 Arrow models to offer. The glow version has carbon in the nose and wing saddle area for added strength where the Electric version does not. I did get the glow version and we are working with SkyAviations to develop the correct firewall and crutch for the glow version and so far this is the only parts that looks like they will need to be changed. I am sending all updated info to SkyAviations so the Arrow glow version will have all the correct parts they will be selling. Hope that helps.
Thank you.
Oct 05, 2017, 01:15 PM
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Missed a chance to put the engine on a soft mount. I've been using the Dave Brown Products Sport Beam mount that is available from Ohio Superstar. It really works well and takes a lot of the vibration out. Also quiets the model a bit.
Oct 05, 2017, 01:36 PM
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Hey Tony,
we have 2 more Arrows coming after we get this one going and I believe we will try the soft mount on them.
Oct 09, 2017, 02:07 PM
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Update. This step will be done at the factory for both the glow and electric versions. I will leave this in just for a reference.


The fuselage pipe deck / crutch is now installed. Danny and I had many conversations on the best way to not only install the crutch but also an easier way to get to the tank since its always been a pain to get the tanks in through the wing opening. We decided after measuring and trying to fit the available tanks, including the one that came with the kit, a tank hatch was the best option to install and remove the tank. The tank used is a Tettra 4051, 14 oz clunk tank. The Tettra 4061 bubbless tank would work as well. If a more conventional method of installing the tank through the radio compartment was utilized, the wing saddle flange and web would have required trimming to allow installation and removal of the tank. We were not sure if this would compromise the strength of the wing saddle, so we chose the tank hatch instead.

The deck was sized to allow enough room for servos in the radio compartment and sufficient room for the pipe and cooling air clearance. After the glue set, all wood that could be exposed to fuel or oil was sealed with epoxy.
Last edited by toddblose; Oct 11, 2017 at 10:40 AM.


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