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Polaris ( 29 in. / 73.7 cm )

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Polaris model airplane plan


Steve Shumate's Polaris

Welcome to the Polaris seaplane parkflyer! This model is a parkflyer adaptation of Laddie Mikulasko's beautiful North Star seaplane. It features simple sheet foam construction and excellent handling qualities, both in the air and on the water. In flight this model is smooth and stable, yet also very aerobatic. On the water it tracks straight as a narrow and takes off and lands effortlessly. But one of my favorite things about this model is the amazing speed range—with the recommended power setup the top speed is in excess of 70mph, yet the model slows down well and can plop down into the water at high alpha under full control at less than 10mph. This allows the model to be flown in very tight spaces if desired, or if you have a bigger flying site you can openit up and enjoy the speed. It handles wind and waves remarkably well, too. This model also flies very well off of grass—take offs require only 10-20 feet and it can even taxi and do easy touch and goes off of grass.
Power recommendations:
We've been doing a lot of flight testing with the Polaris and have settled on two power packages that work very well.
The 2212-6 motor will offer the best performance, and is great if you have a lot of larger packs in the 2100 range. But we really like the 2212-10 running on a good 1300 or 1320 pack.
We recommend cooling vents since the ESC is fully enclosed.
Optional Heat Sink:
The optional heat sink provides additional cooling for the ESC. In fact, we've found by using the heat sink, additional venting is not necessary. This makes sealing up your Polaris a snap! Simply trim off the shrink tube from the flat part of the ESC, apply a small amount of the included thermal paste to the heast sink, and then secure it with a small amount of CA or epoxy. Size: 28 mm x 28 mm x 12 mm, weighs 8 grams
High Power Set-up (recommended)
Motor - Spin Max 2212-6 (2200 kv)
ESC - 30 amp minimum, 40 amp recommended, cooling vents recommended
Prop - APC 6/4 E
Battery - 3 cell lipo, 1300 mah (min. 25C) to 2250 mah
Mid Power Set-up
Motor - Spin Max 2212-10 (1400 kv)
ESC - 30 amp minimum, cooling vents recommended
Prop - APC 7/5E or 7/6 Slow Fly
Battery - 3 cell lipo, 1200 to 1320 recommended, up to 2100
AUW–17-22 oz.
Wing area-343 sq. in.
Wing loading-8.4 oz./sq. ft.
Motor-Spin Max 2212-6 or equivalent
ESC-30 amp
Prop APC 6/4E
Battery-1300 to 2100 3 cell lipo
Controls-Aileron, elevator, rudder, throttle
Requires 3 micro servos (9 gram)

Link to this page: https://aerofred.com/details.php?image_id=99044

Details: Full Details
ID: 99044
File Size: 74.1 KB
Type: Airplane
Class: Radio-Control
Use: Multirole
Scale:Scale (1:16)
Motor: Electric-Powered
Motor Size:150-To-300-Watt 
Wingspan: 29 in. / 73.7 cm
Publisher: Steve Shumate
Pub. Ref: 956
Designer: Steve Shumate
Date: 08/2008
Weight:10.5 oz.
Listing Editor: iubitahp2000
Added: 23/02/2017 21:53
Updated: 02/03/17 03:06:06pm
Corrections? Contact iubitahp2000
Need Help? Forum
Filetype: .pdfSoftware for .pdf files

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Plan Attributes: Edit Attributes
Plan ID:99044
Model Type:Airplane
Aircraft Use:Multirole
Wingspan: 29 in. / 73.7 cm
Wingspan Class:50cm-To-75cm (20in-To-30in)
Wing Position:Low-Mounted-Wing
Wing Style:Delta
Wing Dihedral:Flat
Landing Gear:Floatplane
Motor Type:Electric-Powered
Motor Size:150-To-300-Watt 
Number of Motors:1-Tractor
Weight:10.5 oz.
Weight Class:300g-To-500g (10.5oz-To-17.6oz)
Construction Skills:Novice
Pilot Skills:Novice
Publisher:Steve Shumate
Designer:Steve Shumate
Restorer:Rc Aeromodelism
Category:PDF Vector Foam Plans
Similar:Plans like Polaris
File Details:
Date:23/02/2017 21:53
File size:74.1 KB

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If you know about a building log for this plane please post a comment, we will add it to the listing here.

Building Log 1: https://www.rcgroups.com/forums/showthread.php?922465-Polaris-Seaplane-Parkflyer

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Comments & Corrections
Do you have questions, comments or corrections about the Polaris? Your input will surely help others to build this model...

Love pecanpatch on 24/02/2017 12:40
I love my Polaris! it is 5 years old now....... I wish I could upload a picture.....
Polaris derfred on 24/02/2017 14:46

You can upload at the forum, and you can even start a build thread at the forum or here and it will be displayed at the building logs tab.
Plans boaterbill1 on 24/02/2017 15:36
Is there available a non tiled version of these plans?
Non tiled iubitahp2000 on 24/02/2017 16:23
Quote from: boaterbill1 at 24/02/2017 15:36
Is there available a non tiled version of these plans?

Yes. - here: https://www.dropbox.com/s/4ej9ar2awlxi635/ Polaris%20Assembly%20Drawing%20%28Nontil
Construction Guide iubitahp2000 on 24/02/2017 16:25
Quote from: derfred at 24/02/2017 14:46

You can upload at the forum, and you can even start a build thread at the forum or here and it will be displayed at the building logs tab.

Here the construction guide:
https://www.dropbox.com/s/o1u55bajnk21vjz/ Polaris%20Construction%20Guide%20Scratch
Tiled print boaterbill1 on 24/02/2017 17:55
Thanks for the assembly drawing, but is there a full drawing of all the parts on 1 page?
It would make cutting them out so much easier.
Is there a build log available too?
I think this will be my next project.
Thanks again for the quick response.
Preview iubitahp2000 on 24/02/2017 18:28
No, i dont have, sorry. Only parts preview. More stuff you can find here: https://www.dropbox.com/sh/ums9ez5mkmmu7js/AADNFJUF5hndjASElwvkpmHea?dl=0
Polaris Saab9 on 25/02/2017 04:18
Thanks Steve, having had Laddie's original. This be my next build.
Polaris derfred on 25/02/2017 12:56
I´ve switched the tiled for the non tiled as the main plan, the tiled for those who want it is available as a version. Thank you for uploading.
Plans switched iubitahp2000 on 25/02/2017 13:52
Quote from: derfred at 25/02/2017 12:56
I´ve switched the tiled for the non tiled as the main plan, the tiled for those who want it is available as a version. Thank you for uploading.

The non tiled plan is not a plan, its only a preview of dimensions of the Polaris
Polaris derfred on 25/02/2017 14:38
ok, I didn´t noticed that. I´ll switch back. If you like you can include all those files as supplemental files under the Media tab at the plan edit page.
CG sigfazer on 20/10/2017 16:29
where is the CG on this plane?
CG iubitahp2000 on 25/12/2017 16:32
Look on plans, the cg is mark somewhere there

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