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MAM factory extended wing tips

General building discussions, not model specific.
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Veda
Posts: 7
Joined: Thu Jul 16, 2020 5:54 pm

MAM factory extended wing tips

Post by Veda » Thu Feb 23, 2023 5:59 pm

Hello guys,

I'd like to know if anyone has information regarding the dimensions or size of the moose factory wing tips or the Elite factory wing tips. If so please share the size, installation or experience with your factory wing tips.

I spoke to a representative from MAM this week (Douglas Thorpe) who told me that the size of the factory wing tips are the same exact between the Moose & Elite.

My follow up question is, can anyone else confirm this? I believe he might be confusing the question in answer.

I know David Fife also makes hoerner tips for the elite, rebel and moose. Feel free to also share on your experience on the installation of Mr Fifes for anyone else on the builder forums looking for information regarding the tips.

Thanks
Last edited by Veda on Thu Feb 23, 2023 10:04 pm, edited 3 times in total.

Veda
Posts: 7
Joined: Thu Jul 16, 2020 5:54 pm

Re: MAM factory extended droop tips

Post by Veda » Thu Feb 23, 2023 6:00 pm

I had a pair of Moose factory extended droop tips offered to me for a reasonable price compared to what MAM quoted me for. So I'd like to purchase and install them on my Elite. I am aware David Fife sells his for a little less than MAM as well. I just don't want to extensively modify them to install, so i'm looking for any insight before i start this endeavor.

Thanks again

Veda
Posts: 7
Joined: Thu Jul 16, 2020 5:54 pm

Re: MAM factory extended droop tips

Post by Veda » Thu Feb 23, 2023 6:17 pm

These are the Factory Moose wing tips I was looking at doing the install with.
Attachments
Elite factory droop tips 1.jpeg
Elite factory droop tips 2.jpeg
Elite factory droop tips 3.jpeg
Last edited by Veda on Sun Feb 26, 2023 11:31 am, edited 2 times in total.

monty777er
Posts: 109
Joined: Tue Aug 22, 2017 5:21 am
Location: AB & NS

Re: MAM factory extended droop tips

Post by monty777er » Thu Feb 23, 2023 7:44 pm

Those are stock tips. The droop tips add about a foot and have a pronounced down curl.

Veda
Posts: 7
Joined: Thu Jul 16, 2020 5:54 pm

Re: MAM factory extended wing tips

Post by Veda » Thu Feb 23, 2023 10:06 pm

Awesome, *corrected. Thank you for that Monty.


mikeh
Posts: 303
Joined: Wed Feb 22, 2012 5:37 am
Location: Australia

Re: MAM factory extended wing tips

Post by mikeh » Fri Feb 24, 2023 12:53 am

I believe the MAM droop tips fit Rebel, Elite, Moose and all. The same airfoil section is used for all. They will need trimming differently from model to model.
They work really well on our Rebel, so should be good for an Elite.
Cheers
Mike

snowyriver
Posts: 1140
Joined: Wed Feb 22, 2012 9:10 pm

Re: MAM factory extended wing tips

Post by snowyriver » Fri Feb 24, 2023 7:21 am

If I remember correctly, the factory tip needed some support structure built before fitting. Someone can verify this. The fife tips, while hard to get sometimes, are a bolt on. And I don’t know about other’s experiences but they we also way better quality than Murphy’s. I gave mine away. Craig
Craig Walls
Retired Firefighter
Flying as of September 2011

c120pilot
Posts: 299
Joined: Wed Mar 14, 2012 1:48 pm
Location: Kettle Falls, Washington

Re: MAM factory extended wing tips

Post by c120pilot » Sun Feb 26, 2023 8:11 am

MAM's extended droop tips are about 23" wide and do require structural support. They are nice quality and lighter than the stock tips.
This is the stock tips next to the droop tips.
I have the Hoerner style molds that were originally built by Robert Karrow, hope to build some this summer. Currently building the hangar/home.

Curtis
175R
Attachments
20191016_121122.jpg

GaryK
Posts: 74
Joined: Sat Apr 15, 2017 10:28 pm
Location: Fort Collins,CO

Re: MAM factory extended wing tips

Post by GaryK » Wed Mar 01, 2023 12:13 pm

The Droop tips are also the same on the Yukon. I had previously posted the internal stringers and spar extensions under Yukon section in the Builders Forum. The seams were very thin and I added 2 layers of 3" wide fiberglass cloth the inside of the tips along full length of the seams. The back trailing edge also extended past the ailerons by about an 1" . I trimmed them off and also filled with fiberglass plug. trailing edge of tip ended up truncated as a trapezoid and matches aileron now. My manual showed no internal support and was very vague on instructions for the tips.

GaryK
Posts: 74
Joined: Sat Apr 15, 2017 10:28 pm
Location: Fort Collins,CO

Re: MAM factory extended wing tips

Post by GaryK » Wed Mar 01, 2023 12:26 pm

OOPS, Correction on my previous post; I posted the Droop Wing Extension install under "All Models" not Yukon.

WCKP
Posts: 151
Joined: Mon Nov 30, 2020 4:41 pm
Location: Abbotsford BC
Contact:

Re: MAM factory extended wing tips

Post by WCKP » Fri Mar 03, 2023 12:42 pm

Yes... ALL the wing tips, Standard and Droop fit the 4415M airfoil used on the Rebel, Elite, Yukon, SR2500, SR3500 and Radical.
The only installation instruction you will find are for the SR3500 "Moose".
Remember the instructions are for the Moose, so don't do the cutout for the Rebel install and measure the bottom cutout for the Elite..... Don't cut the top out (seen lots of those patched back together) :shock:
Attachments
Droop Wing Tips Installation.pdf
(404.03 KiB) Downloaded 933 times
Jeff M
West Coast Kit Planes Ltd.
www.westcoastkitplanes.com

Build Projects Status:
Rebel (New Build)
Elite (New Build)
Franklin Rebel (Flying)
Renegade:
(Waiting 10 yrs for paid Wheels/Brakes from MAM)


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