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Old 01-24-2012, 06:14 PM   #1
Mike G
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Default Just ordered a Multiplex FunCub

I'm new here and mostly have been reading posts from others. I have a 450 size Heli that I've spent more time repairing that flying, and after reading a few threads I find that starting out on a 450 Heli was somewhat ambitious, so I bought a Multiplex FunCub. I saw it recommended in a few posts, and it looks like a fairly easy kit to assemble. I notice in the instructions, it says to glue the aileron servos to into the pre-cut recesses. If (when) you have to replace a servo, how much damage does it do to the foam when you pull the old one off?

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-Mike
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Old 01-24-2012, 06:43 PM   #2
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Originally Posted by Mike G View Post
I'm new here and mostly have been reading posts from others. I have a 450 size Heli that I've spent more time repairing that flying, and after reading a few threads I find that starting out on a 450 Heli was somewhat ambitious, so I bought a Multiplex FunCub. I saw it recommended in a few posts, and it looks like a fairly easy kit to assemble. I notice in the instructions, it says to glue the aileron servos to into the pre-cut recesses. If (when) you have to replace a servo, how much damage does it do to the foam when you pull the old one off?

Thanks

-Mike
Mike,
I've seen one of those flying before but I didn't get to examine the foam or the servos close up. My advice would be to use a large drop of glue (Gorilla glue or even hot glue) on either side of the servo. Stay away from the bottom. Point being, if you need to remove the servo you can get to the glued portion with an exacto blade. Then just slowly and carefully and everything should be OK.

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Good luck w/ your FunCub.

Please call me John. I came up w/ Max2112 when I thought you were all internet predators after me Lucky Charms!!
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Old 01-24-2012, 07:36 PM   #3
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Wrap the servo with painter's tape. Then hot glue into the slot. It will stay in but can be pried out with care.

Do NOT use CA. It can wick into everything including the guts of the servo and is a PITA to get the servo out.

fly
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Old 01-24-2012, 09:18 PM   #4
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Originally Posted by max2112 View Post
Mike,
I've seen one of those flying before but I didn't get to examine the foam or the servos close up. My advice would be to use a large drop of glue (Gorilla glue or even hot glue) on either side of the servo. Stay away from the bottom. Point being, if you need to remove the servo you can get to the glued portion with an exacto blade. Then just slowly and carefully and everything should be OK.

WELCOME to WattFlyer!
Good luck w/ your FunCub.
Thanks max, that makes sense.

Originally Posted by flydiver View Post
Wrap the servo with painter's tape. Then hot glue into the slot. It will stay in but can be pried out with care.

Do NOT use CA. It can wick into everything including the guts of the servo and is a PITA to get the servo out.
Thanks flydiver, another good tip as well.


I stopped by a local hobby store during lunch (where I bought my radio) and picked up some CA glue and accelerant spray. Can't wait to get started.
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Old 01-24-2012, 09:25 PM   #5
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Standard bathroom silicone sealant works great for gluing servos into foam and is much easier to cut and remove than other glues. Just don't allow it get it to get under the servo where you won't be able to reach with the blade. Apply sparingly to sides of pocket, a little more liberally to the corresponding surfaces of the servo and push in place.
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Old 01-24-2012, 09:55 PM   #6
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While I am NOT a fan of hot glue repairs, it does good on servos in a foam plane. Seems to hold it snug yet can be easily removed later.
Don
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Old 01-24-2012, 11:31 PM   #7
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You're lucky to find one. The LHSs are all out of stock around here, and on web too.

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Old 01-25-2012, 05:00 AM   #8
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Originally Posted by Turner View Post
Standard bathroom silicone sealant works great for gluing servos into foam and is much easier to cut and remove than other glues. Just don't allow it get it to get under the servo where you won't be able to reach with the blade. Apply sparingly to sides of pocket, a little more liberally to the corresponding surfaces of the servo and push in place.
Not a bad idea. It's great finding out about alternative adhesives that work on foam.


Originally Posted by dkrhardy View Post
While I am NOT a fan of hot glue repairs, it does good on servos in a foam plane. Seems to hold it snug yet can be easily removed later.
Don
I have a decent hot glue gun, but haven't used it in years. I'm probably going to be using it more often than I like starting out.



Originally Posted by HobbyJumper View Post
You're luck to find one. The LHSs are all out of stock around here, and on web too.
Check out Amazon. There were 9 in stock last night when I ordered mine. The pickins were pretty slim at the hobby store i was in today. The only planes they had were a P-51 and a Bipe and both were large scale 3D. With a third of the shop devoted to RC, I was surprised to not see any entry level planes or slow flyers.
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Old 01-25-2012, 05:27 AM   #9
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Glue guns need to be low temp glue. Hot temp glue may melt the foam.

fly
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Old 01-25-2012, 02:08 PM   #10
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Originally Posted by flydiver View Post
Glue guns need to be low temp glue. Hot temp glue may melt the foam.

Yep, mine is lo temp. I used "hot glue" as a generic term since it needs to heat up. Sorry if there was any confusion.
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Old 01-31-2012, 04:42 AM   #11
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Default Fun Cub

You will like the Fun Cub. Set the throws on low too start. I'd had one for 8 months and like it alot. I set it up with a three position switch. 100% 75% and 50%. On 100% its twitchy. I started into flying about 10 months ago and love it. It's takes some pretty bad wrecks and keeps on flying. I got ski's on it for the winter. Went out and did 12 landings and take offs today. Have fun.
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Old 01-31-2012, 01:38 PM   #12
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Originally Posted by hutch View Post
You will like the Fun Cub. Set the throws on low too start. I'd had one for 8 months and like it alot. I set it up with a three position switch. 100% 75% and 50%. On 100% its twitchy. I started into flying about 10 months ago and love it. It's takes some pretty bad wrecks and keeps on flying. I got ski's on it for the winter. Went out and did 12 landings and take offs today. Have fun.
Thanks for the tip hutch. I started building mine this week and being a total newb to the process, didn't realize that I would need servo extensions and a y harness. The aileron servo lead ends at about mid wing The build on this project will include working flaps, so I was surprised by the short leads. I'm using Hitec HS-55s for the flaps and ailerons, and HS-81s for rudder and elevator. Now I'm waiting on parts.

I didn't know you could get skis for one of these. With the exception of darkness by the time I get off from work, the past couple of days would have been almost perfect for flying. I've been using my flight sim until I can actually take a real plane out. I can get it in the air with no problem, it's getting it back wheels down that caused me to order another more simple plane, the Multiplex Easy Star because I'd like to not destroy the Funcub on the first flight.

-Mike
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Old 02-03-2012, 09:29 PM   #13
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I'm getting closer to the finish flight line on this project. I just have to finish mounting the motor & prop, and glue the servos.

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Old 02-15-2012, 03:53 PM   #14
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Looking forward to your flying impressions!
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Old 02-16-2012, 07:06 PM   #15
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Yeah, me too as long as the impression isn't left in the tarmac.
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Old 02-19-2012, 05:41 PM   #16
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Done!

Here's mine, in her "what if" RCAF trainer markings.


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Old 02-19-2012, 10:59 PM   #17
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That is just about the best looking livery I have seen. Nice job.
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Old 02-20-2012, 12:54 AM   #18
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HobbyJumper, what kind of paints did you use?
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Old 02-20-2012, 01:35 PM   #19
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Thanks,

I swear by Krylon rattlecan paints, and so used Indoor/Outdoor Sun Yellow and Banner Red, spraying many thin coats so as to avoid drips and runs, particularly since it was 2C in the garage.

The yellow is actually more lemony than I would have preferred for a Cub, which would have had more red in it (almost orange), but I couldn't find a spray can with a colour close to what you might call "cub yellow".

The windows and engine are carefully brush-painted with nice thick gloss black craft paint.

I decided not to cover the servos in the the fuselage sides, or their pushrods, since it's kind of cool to see the exposed workings like that. In fact, what a strange experience it was putting together this weird German kit.


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Old 02-20-2012, 04:26 PM   #20
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Thanks, it looks great.
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Old 03-16-2012, 04:55 PM   #21
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Finally got to fly this morning. Perfect conditions for a maiden. The cub shot into the air just like they all seem to do in the videos. Cruised around nice and controllable. Tons of power to spare from my Headsup setup. First plane I've owned that will probably hang on the prop. Those big wheels handle rough terrain quite well. And the airframe survived the odd bump.

My cub might be a bit tail heavy. Not sure. Wants to climb all the time.

Used up all my batteries and came home in one piece, though the prop was making a funny sound.

I think I am going to REALLY like this plane.

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Old 03-18-2012, 04:52 PM   #22
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Another great morning of flying. Appreciating more and more what a good design the FC is.

Gonna take me a while to get the hang of those flaps, however. Even at 20 degrees when I flip 'em on it's chaos.


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Old 04-08-2012, 04:06 PM   #23
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I moved my battery position. I originally had the pack completely aft such that it covered the air outflow opening in the fuselage floor. Now it is just forward of the hole, and the FC flies even better now. Been having fun with the flaps too -- a bonus for landing; superfluous for takeoff. Such a great plane. No crashes today!

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Old 04-18-2012, 03:08 PM   #24
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Nice thread! I'm picking up my cub from the lhs tomorrow.

What motor did you folks use? I've been wondering if it would be worthwhile to get a larger motor then the one that comes with the 'power pack'.

I will also need a charger and batteries. I've only been flying a night vapor, Champ and MSR + MSRx. I recently joined a local club and will begin flight training on May 1. I hope to have the cub ready by then.
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Old 04-21-2012, 02:12 PM   #25
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I went with the trusted folks at HeadsUp all the way and it works great:


1 Emax GT2812/10 Outrunner Brushless Motor
@ $26.95 = $26.95

1 Power Up 40 Amp Brushless Motor ESC
@ $29.95 = $29.95

2 SERVO EXTENSION - 6" medium duty - 26 gauge wire
@ $1.75 = $3.50

1 SERVO "Y" HARNESS - 6" standard - 26 gauge wire
@ $2.95 = $2.95

1 3 x 6 mm Pan Head Screws for Mounting Brushless Motors
@ $0.95 = $0.95

1 Aluminum Mount for Multiplex Planes
@ $15.95 = $15.95

11 by 5.5 APC prop

btw I started similarly, with an MCX, MSR, Ember, Champ (then a bunch of biplanes and stuff), FunCub.


Originally Posted by WayfaringDreamer View Post
Nice thread! I'm picking up my cub from the lhs tomorrow.

What motor did you folks use? I've been wondering if it would be worthwhile to get a larger motor then the one that comes with the 'power pack'.

I will also need a charger and batteries. I've only been flying a night vapor, Champ and MSR + MSRx. I recently joined a local club and will begin flight training on May 1. I hope to have the cub ready by then.

Pete
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