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Sep 15, 2018, 01:56 AM
Build straight - Fly twisty
Whiskers's Avatar
Build Log

Unusual Build For Me


birdofplay has very kindly sent the cut parts for a 36" Slowfly and I am finding that his tabbed interpretation of the design, and his computer cutting, makes for an impressive level of click-together ability.
It's weird for me to build from pre-cut parts but I'm finding it to be entertaining and fun.
So far I've just dry fitted the fuselage and tail feathers and I'm planning my build sequence.
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Sep 17, 2018, 09:03 AM
torq5252
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Wow, that does look crisp. Subbed!
Sep 17, 2018, 09:19 AM
Retired CAD guy
birdofplay's Avatar
Don't forget to add those reinforcements I recommended before glue up !
Please examine the attached pic.

Floam is only just so strong.
Being so inexpensive I tend to fly them rougher than I would a Balsa & Ply model.
So the reinforcements provide a bit more durability.
I used MPF foam and it adds to the resilience and durability.

BLACK is the CF along the bottom of the inside fuse corner.
RED is the fuse to wing reinforcement since there is no "suspension "
PURPLE is a simple 1/8" ply plate glued to the bottom for LG attachment.
GREEN is where the Wing hold down pins are held.

My vimeo vid shows the instant take off capability and slow flight capability plus
a bit of my rough handling of the larger version.
(0 min 0 sec)
Last edited by birdofplay; Sep 17, 2018 at 09:34 AM.
Sep 17, 2018, 03:34 PM
Build straight - Fly twisty
Whiskers's Avatar
You sure gave those wheels a good workout there Bob.
Very entertaining indeed.
Yep! I certainly have taken on board your engineering recommendations and they will be implemented.
Although, being me, things may be done a little differently. I'm a sad case.
Sep 17, 2018, 03:46 PM
Build straight - Fly twisty
Whiskers's Avatar
Quote:
Originally Posted by torq5252
Wow, that does look crisp. Subbed!
It's impressive.
I rolled the bottom piece over the rounded edge of our kitchen bench and pre-formed the curves,
The good trick would be to over bend the foam. I didn't do that, but even with a slight under bend the parts went together faultlessly.
I know that's what is supposed to happen, but in my life I've cut and fitted enough parts to know that it's a lot easier to get it wrong than it is to get it perfect.
Sep 17, 2018, 06:41 PM
Registered User
Glad to hear that Bluey was not your last build. Looking forward to watching this build too.
Sep 17, 2018, 08:10 PM
Build straight - Fly twisty
Whiskers's Avatar
Quote:
Originally Posted by EvanM
Glad to hear that Bluey was not your last build. Looking forward to watching this build too.
Well thank you for that.
It'll be fun for me to report my stumbling steps through this unfamiliar terrain.
Sep 17, 2018, 08:45 PM
Retired CAD guy
birdofplay's Avatar
oH OH OH i FORGOT TO MENTION THAT

Placing packing tape all over the OUTSIDE of the foam BEFORE bending
will prevent any cracking if you OVER bend it !

If you wish you can then remove the tape.

And we had a great vidConf this evening - good show ! ;>}
Last edited by birdofplay; Sep 18, 2018 at 08:24 AM.
Sep 17, 2018, 08:58 PM
treefinder
springer's Avatar
Video! You guys are getting high tech! Well, I guess it is the 21st century. . .
Sep 17, 2018, 09:10 PM
Build straight - Fly twisty
Whiskers's Avatar
The MPF seems happy to bend if you treat it gently.
Massaging it lightly over the rounded edge of the bench using plenty of hand contact worked very well.
Gentle guidance and not brute force. The Zen path of scratch build.

Yes, the call was most enjoyable in spite of the technical shortcomings. Maybe we'll do better when you fire up your laptop.
Sep 17, 2018, 09:18 PM
Build straight - Fly twisty
Whiskers's Avatar
Quote:
Originally Posted by springer
Video! You guys are getting high tech! Well, I guess it is the 21st century. . .
This was our second call.
The first one made us think it would always be easy. This one showed us that such optimism was not warranted.
Persistence finally won through, although the video and audio were not of the highest standard.
But it's good...
Sep 18, 2018, 02:57 AM
Build straight - Fly twisty
Whiskers's Avatar
I have hacked out the plywood braces that carry landing and some of the flight loads and distribute said loads over a wider area.
I drilled holes to save a few grams and to carry on the 'holes' theme.
The glue is working to bind them in place as I write this.
Sep 18, 2018, 08:40 AM
Retired CAD guy
birdofplay's Avatar
HACKED sounds like a bad thing these days.

Still ... coming along nicely !

regarding VidConf Tech:
It has been a l o n g time since A N Y O N E has wanted to see me in HiRez !

We could have used a bit of a Clean up in the Audio Dept.

I'll prep the Laptop for your next go.

Don't forget that tape before bending the UC of those Wing parts.

Lockey has a good vid on that subject
His web page is here ... https://www.lockeysrcplans.com/
Rolling Depron and MPF (1 min 56 sec)
Last edited by birdofplay; Sep 18, 2018 at 08:46 AM.
Sep 18, 2018, 04:31 PM
Build straight - Fly twisty
Whiskers's Avatar
The overnight gluing has produced the desired result, and here it is.
Sep 18, 2018, 05:12 PM
Retired CAD guy
birdofplay's Avatar
When they named it Slowly I presume they meant something below WARP 10 ;>}

It's a time travel machine.
Like ... It was on final 10 mins ago and it'll be here any second now !
Last edited by birdofplay; Sep 18, 2018 at 08:30 PM.


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