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Old Sep 16, 2011, 11:18 PM
CNC Cutter
birdofplay's Avatar
United States, IN, Indianapolis
Joined Dec 2005
8,501 Posts
Tonight I wanted to put SOMETHING on the bottom to protect it while sliding.

SO I came up with another idea.
Get THIS !
I used some Clear plastic sheeting that is from your Printer.
The film used to print OVERHEADS !
I used rubbing alcohol to moisten the Foam and now I'm attempting to BOND the film
to the foam with the GG glue by means of the water in the Alcohol to activate it.

It's all taped down and HOPEFULLY curing as I write.

Yeah yeah I coulda used 3M77 but I hate all that overspray.

Time will tell.

L8r

Bob
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Old Sep 17, 2011, 11:19 AM
Registered User
trroadster's Avatar
Canada, AB, Edmonton
Joined Oct 2006
463 Posts
Quote:
Originally Posted by birdofplay View Post
Tonight I wanted to put SOMETHING on the bottom to protect it while sliding.

SO I came up with another idea.
Get THIS !
I used some Clear plastic sheeting that is from your Printer.
The film used to print OVERHEADS !
I used rubbing alcohol to moisten the Foam and now I'm attempting to BOND the film
to the foam with the GG glue by means of the water in the Alcohol to activate it.

It's all taped down and HOPEFULLY curing as I write.

Yeah yeah I coulda used 3M77 but I hate all that overspray.



Time will tell.

L8r

Bob
I have a roll of ski protection tape picked up at a garage sale a few years back. It is super tuff, self adhesive and relatively light. Original use was to protect the top surfaces of downhill skis from cuts , scratches etc when you are muddling about in lift lines etc. Don't know how well it did that but it makes a great slippery skid surface on airplanes..
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Old Sep 17, 2011, 12:10 PM
CNC Cutter
birdofplay's Avatar
United States, IN, Indianapolis
Joined Dec 2005
8,501 Posts
ttroadster: Thanks for that sourcing ! Good Find and insight.

I have an idea that it is a HMW plastic tape like I've found at Woodworking suppliers.
It's used for Saw Fences to make them SLIDE the wood easier.

I found a place that distributes several different thickness and widths.

I've used THAT on my foamys for quite sometime now.

I call it SlickStuff and sell what I have on my site.

SO WHY didnt I want to use it on this bird ?

Because it's a bit pricey and I havent painted it yet.

I simply wanted something to protect the foam for the maiden.

ALSO: in the F-15 thread I've placed a parts cutting layout for scratch builders.
It's about the most efficient use of the foam that I can come up with.

C U L8r

Bob

PS:
Oh and it's RAINING today ! :-(
It's been raing since around 2 last PM.
Apparently a whole slug of rain is coming in off the coast today.
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Old Sep 17, 2011, 12:22 PM
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Sailor Jerry's Avatar
United States, IN, Indianapolis
Joined Oct 2008
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Try this stuff: http://www.laminatorwarehouse.com/laminating_film.shtml ; the 1.7 mil CP. It goes on with covering iron at about 250*, takes paint, and won't come off. It's light weight and cheap too. Great for covering foamies, i use it on combat planes.
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Old Sep 17, 2011, 12:26 PM
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birdofplay's Avatar
United States, IN, Indianapolis
Joined Dec 2005
8,501 Posts
sailorJerry: I have thier CLICK but I havent ordered any yet due to the two limitation.
I guess I gotta try it regardless of price/qty ... one of these days :-)

Ya know my home on the west coast is FOR SALE and I will be moving to Indy
when/IF it ever gets sold.

Bob
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Last edited by birdofplay; Sep 17, 2011 at 01:29 PM.
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Old Sep 17, 2011, 01:08 PM
Joined Aug 2011
2,696 Posts
YF-22 with Master Airscrew 10x7x3 prop

Hi all,

Did some testing today with the 3- blade prop. There is good and there is not so good. The good is there is an increase in thrust with my Scorpion 3026-10 (980kv) motor at 4s. I would guess about a 1/2 pound based on flight performance. Also, the plane looks slick with the 3 blade. Now the not so good. I neglected to consider that at 14000 rpm a 2 blade generates a frequency of 28,000 cycles per minute. A 3 blade generates 42,000 cycles per minute. With the resonating chamber of the foam box it is as piercing as any EDF I've been around. The soccer field I use is ajacent to a horse facility so I try to be a good neighbor. The three bladed prop will only be used at open flying fields. It definitely will draw a lot of attention.

Best
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Old Sep 17, 2011, 02:05 PM
FPV Noob
Sailor Jerry's Avatar
United States, IN, Indianapolis
Joined Oct 2008
228 Posts
Quote:
Originally Posted by birdofplay View Post
sailorJerry: I have thier CLICK but I havent ordered any yet due to the two limitation.
I guess I gotta try it regardless of price/qty ... one of these days :-)

Ya know my home on the west coast is FOR SALE and I will be moving to Indy
when/IF it ever gets sold.

Bob
I remember reading on another thread that they'll sell single rolls for an extra $5. Might want to call them. Also, there's another place that sells it by the foot, but I can't remember who it was.

If you ever get moved, you'll have to come fly with our little group (not an official club, just a bunch of foam junkies).
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Old Sep 17, 2011, 02:09 PM
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birdofplay's Avatar
United States, IN, Indianapolis
Joined Dec 2005
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yeah yeah been flyin already with Gene Bond on the SE side in a park off of Thompson.
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Old Sep 17, 2011, 04:55 PM
Up in smoke!
BlueFFF's Avatar
Greenville, TX
Joined Jun 2007
627 Posts
I've just finished reading thru your thread and really like your YF-22. I love the look of the plane and yours flies really great. If I build one it will be my first prop jet. I have built and flown lots of trainers and the like, but nothing this big and no jets.

Would this motor work?

http://www.hobbyking.com/hobbyking/s...ess_Motor.html
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Old Sep 17, 2011, 05:56 PM
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United States, IN, Indianapolis
Joined Dec 2005
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Well IT seems as though it should work but ...

read the specs on that motor, I doesn't even have ball bearings, it has Bushings like the old DC motors !

T's gotta why ( I think) they call it a Donkey, ya know ? "-)

The price is certainly right but you really KNOW what your getting with this one.

For a budget flyer it is probably OK

SPoz you could get a couple of these for the price of others.

Hey, get one and report back. I'd like to have an honest appraisal.
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Old Sep 19, 2011, 04:01 PM
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birdofplay's Avatar
United States, IN, Indianapolis
Joined Dec 2005
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Sun's out ... no wind either, 8 miles later ...

We have LIFT OFF !!!!

The YF-22 got off the ground in a good way today.

It was off of rather ruff grass but with a few surface wiggles it was OFF !

I got several passes with Loops and Rolls !

All the time , however, the Bottom plastic sheet that I'd mentioned B4
was FLAPPING underneath the Fuse. Really nasty sounding too :-(

It must have come loose at the LE during Take off.
I would have thought that the REST of it would just PART COMPANY, but NOOOO !
It was flapping from the LE to the "Step" , a big piece of plastic !

Still, Landing was easily controllable and slow.

So I have another Success for Otto to CHALK UP !

Wooo whoo ! ! !


The very next thing was to toast a WHOLE can of H2O light yellow paint on it !
Next comes a few Camo spots and minor fiddling.

I may experiment with MORE power as I can switch around and use 3,4,5,6 cells.
By mix and matching some of my 3000mah 2 and 3 cell paks.

L8r

Bob
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Old Sep 19, 2011, 04:28 PM
USAF Retired
wing_man's Avatar
Stockton, NY
Joined Jul 2001
506 Posts
Congrats on a successful maiden!

Dennis
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Old Sep 19, 2011, 05:07 PM
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Mifoamflyer's Avatar
Michigan
Joined Nov 2009
243 Posts
Yf-22

Bob

Sounds great !

Put me down for 2.

Let me know ASAP


Al
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Old Sep 19, 2011, 05:41 PM
Joined Aug 2011
2,696 Posts
Great.... Now we need more in the air to complete a squadron.
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Old Sep 19, 2011, 06:05 PM
CNC Cutter
birdofplay's Avatar
United States, IN, Indianapolis
Joined Dec 2005
8,501 Posts
Thanks , guys !

I may have to resurrect my Hat Cam - a littel DVR taped to my hat bill !


It took a lot longer than advertised for that H2o paint to dry ! :-(

I've re-coated the Bottom with 2 part EPOXY !
When it sets I will add some of my super slick tape.

L8r

bob
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