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Old Mar 11, 2012, 07:38 AM
I'm BIG on micros
Canada, ON, Brampton
Joined Mar 2011
534 Posts
Idea
"Amphibious" floats for micro floatplanes

Hi;

Just started work on some wheeled floats for my micro beaver. Post your ideas and suggestions so I can turn out a successful pair.

EDIT: Floats are going well, PM me if you want plans for the mod.
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Last edited by JSS4; Mar 26, 2012 at 06:37 AM.
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Old Mar 11, 2012, 08:24 AM
I'm BIG on micros
Canada, ON, Brampton
Joined Mar 2011
534 Posts
Coming along so far quite nicely. The pics are not the best, but then again my camera is not the best.

Main LG mount is custom bent wire
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Last edited by JSS4; Mar 11, 2012 at 12:53 PM.
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Old Mar 11, 2012, 07:08 PM
Registered User
West of California Speedway, East of LaLa, North of Disneyland
Joined May 2001
2,309 Posts
Not bad at all!!!

An alternative approach would be to carve the floats out of EPP. I always save some of the stuff when I buy a new electronic device or appliance that's packed in it.

Carve the floats, and if scale is important, cover with silkspan, rayon dress liner, or 0.5 oz FG cloth and then seal with water-based polyurethane (which is waterproof when dry).

Light, and unsinkable.
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Old Mar 12, 2012, 08:36 AM
I'm BIG on micros
Canada, ON, Brampton
Joined Mar 2011
534 Posts
More progress. I had to run out to the LHS yesterday to get a UM J-3 tail wheel.

Tailwheel wire is slightly unbent to provide better ride height and shock absorbtion.

I am right now toying with the concept of rertracts.

How am I doing so far?
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Old Mar 13, 2012, 06:08 AM
I'm BIG on micros
Canada, ON, Brampton
Joined Mar 2011
534 Posts
Got the bottom rear panels installed and front bottom panel is drying.

I had to use school glue after I realized that my CA wasn't foam safe
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Old Mar 14, 2012, 11:03 AM
I'm BIG on micros
Canada, ON, Brampton
Joined Mar 2011
534 Posts
I have to get foam safe CA because white glue just doesn't hold.
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Old Mar 24, 2012, 05:16 PM
I'm BIG on micros
Canada, ON, Brampton
Joined Mar 2011
534 Posts
NEWBEFLYER has the plans. Anybody else interested PM me.
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Old Mar 24, 2012, 10:06 PM
We can rebuild it!
djdavies83's Avatar
United Kingdom, Wales, Swffryd
Joined Apr 2010
3,685 Posts
Interesting, I've had a go at building the champ floats from plans on here, I was wondering about using wheels aswell, I'll have to keep an eye on this.
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Old Mar 25, 2012, 04:41 PM
Registered User
West of California Speedway, East of LaLa, North of Disneyland
Joined May 2001
2,309 Posts
A friendly suggestion. Instead of using pins to hold the parts together while the white glue is drying, try narrow strips of painter's tape.

Also, if you have any water-based polyurethane finish (it doesn't matter if it's gloss, semi-gloss or flat), use it to seal the seams.

Wood glue, like Titebond III is waterproof.
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Old Mar 26, 2012, 06:46 AM
I'm BIG on micros
Canada, ON, Brampton
Joined Mar 2011
534 Posts
Thanks, Jim.

I got foam safe CA yesterday and things really got going! One float is done, while I just need to cut out the rear panels for the other. First one weighs in at 4 grams.

These floats are wheeled only and will not land on water. I am however working on an idea for retracts which will make use of a 1.9 gram spektrum linear servo for the retracts. That probably won't come for a little bit.

My Beaver looks pretty good on semi scale amphibs
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Old Mar 26, 2012, 05:14 PM
We can rebuild it!
djdavies83's Avatar
United Kingdom, Wales, Swffryd
Joined Apr 2010
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looks likeitmay be possible without retracts....

Flying from water on amphibious floats (0 min 48 sec)
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Old Mar 26, 2012, 09:01 PM
Pile-it
Alien_Tech's Avatar
United States, CA, Palmdale
Joined Nov 2007
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Quote:
Originally Posted by djdavies83 View Post
looks likeitmay be possible without retracts....

http://www.youtube.com/watch?v=HEqL2mChJrI
Looking closely at the footage, they are retracted when landing, and let out again to taxi out. Neat footage!
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Old Mar 27, 2012, 08:54 AM
0.9g retracts
Yellow Baron's Avatar
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JSS4,

Will the floats support the plane's weight in water? Or is that why you stated that they are not for water?
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Old Mar 27, 2012, 09:25 AM
Yes, right there.
SpleenRippa's Avatar
Comox, BC, CAN
Joined Jul 2003
581 Posts
Quote:
Originally Posted by JSS4 View Post
Thanks, Jim.

I got foam safe CA yesterday and things really got going! One float is done, while I just need to cut out the rear panels for the other. First one weighs in at 4 grams.

These floats are wheeled only and will not land on water. I am however working on an idea for retracts which will make use of a 1.9 gram spektrum linear servo for the retracts. That probably won't come for a little bit.

My Beaver looks pretty good on semi scale amphibs

I don't 'get' the benefit of the extra drag incurred by the floats, if they can't be used to... Float...
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Old Mar 28, 2012, 06:33 AM
I'm BIG on micros
Canada, ON, Brampton
Joined Mar 2011
534 Posts
Spleenrippa, I am using the floats to cheat because floatplanes look better on floats than wheels. The beaver is one of them.
Also floats provide stability in flight.

YB, they are wheeled only because I can't do retracts of that type yet

Alien_Tech is right. Know what happens when a floatplane lands wheels down?

This:
Water landing with gear down (0 min 13 sec)
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