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Oct 04, 2018, 09:06 PM
Build straight - Fly twisty
Whiskers's Avatar
I need WBPU to use as glue. Blades I have. Pins are a bit scarce , but OK.

All under control...

Or maybe not.
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Oct 05, 2018, 11:05 AM
Retired CAD guy
birdofplay's Avatar
Sounds a bit cheap but I use acetone to CLEAN T-pins before reuse.

It gets off any CA, PU and most other glue residue.
Oct 05, 2018, 03:32 PM
Build straight - Fly twisty
Whiskers's Avatar
Good call.
I always think it's a sign that a glue is likely to do a good job when I find that the pins are well glued in and have to be rotated in order to pull them out.
Oct 05, 2018, 10:26 PM
Laughs at un-boxing videos...
basicguy's Avatar
Hi just was thinking about Grahams plane. I figured that Bob's planes all go good.
Oct 06, 2018, 01:20 AM
Build straight - Fly twisty
Whiskers's Avatar
It'll go great when I eventually finish it.

So says Graham who's self confidence is largely indistinguishable from arrogance.
Dec 01, 2018, 04:44 PM
Build straight - Fly twisty
Whiskers's Avatar

MPF is wonderful stuff


The magical properties of MPF ( http://www.modelplanefoam.com/ ) enabled it to be cold rolled to make the cowl. The formers are not glued in yet.
I formed the MPF on a variety of things. Kitchen bench top, broom handle and just with my hands. I then taped it overnight as a tube and it now is quite happy to stay in a nice curve.

MPF totally rocks!
Last edited by Whiskers; Dec 01, 2018 at 04:50 PM.
Dec 01, 2018, 05:36 PM
Retired CAD guy
birdofplay's Avatar
I find the best practice is to cover the flat unbent foam 1st then bend it.
That prevents any potential cracking of the foam and forces all the foam being bent into compression on the under side of the curve.

Lockey has some vid tips for that kind of stuff here ...
https://www.lockeysrcplans.com/building-tips

He makes it look easy and neat.

Foam also seems to have a "grain" which if allowed for makes foam bending a bit easier.

https://www.lockeysrcplans.com/copy-of-rolling-dtfb
Dec 01, 2018, 08:26 PM
Build straight - Fly twisty
Whiskers's Avatar
Yes, the tape trick works well. but MPF is so good that it is bendable 'as is.'
I wanted to explore the nature of the material.
Note that it's warm here, 30 C (86 F) +
More frigid locations may make for a greater degree of difficulty.
Dec 01, 2018, 09:16 PM
Retired CAD guy
birdofplay's Avatar
56 f here 8^{

Unfortunately , at this time of year , That is a heat wave !

I gotta get oughta here and go someplace else !
Dec 01, 2018, 09:33 PM
low tech high tech
vtdiy's Avatar
I have the DT750 750kV version of your 700kV motor, Whiskers, on a 36" span Spitfire, and it will do unlimited vertical on an 11-7 prop w/ a 3S 1300mah pack.

I don't think your Slowly is going to be uh, underpowered.
Dec 01, 2018, 09:41 PM
Build straight - Fly twisty
Whiskers's Avatar
If it has a takeoff run of about 5/8 of an inch and goes vertical that should be OK.
I'm easy to please in my old age.
Dec 01, 2018, 10:24 PM
low tech high tech
vtdiy's Avatar
A 12-6 then.
Dec 02, 2018, 01:04 AM
Build straight - Fly twisty
Whiskers's Avatar


A lot will depend on what I have in stock.
The prop in the photo is 11 x 4.7 (old but never used) but I have a bundle of others that could be used.
Dec 05, 2018, 02:30 PM
Retired CAD guy
birdofplay's Avatar
The Slowly doesn't need a lot of unmph to fly.

I think I am only using 9" prop ,but you understand that
I LIKE to do lots of Touch and Goes and I tend to get a bit Experimental
with those landings so I manage a good Bounce on occasion.

I also like to fly around with one wheel on the ground just for fun.
Lots of that effort results in more than occasional quick little ground loops.

So Prop strikes All depends on the springyness of the LG when I am Horsing around like that.

It's a foamy and I tend to beat them up on purpose.

Hence the shorter prop choice ;^}

Of course Your Mileage may vary.
Dec 05, 2018, 03:33 PM
Build straight - Fly twisty
Whiskers's Avatar
My guiding rule is, "Too much power is barely enough."
However the throttle works both ways and you can putter around on a low power setting if that's what you want to do. I do a lot of that with FPV.
My modified Easy Glider cruises along on 2.2 amps ( the odd .2 is because of the click position on the throttle stick)
In fact I see 'low and slow' as being the fun zone for the Slowly, but we'll find out about that in due course.
It'll have good landing gear, so you can do plenty of touch and go action with it when you are here.


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