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PostPosted: Sun Jul 01, 2012 10:03 pm 
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I was just doing some research and I'm haveing trouble finding out exactly what is done to a Beaver for the 5600 GWI. I know that 4930 floats are needed. I'm just curious what is done to the Beaver structurally. Can someone help me out?


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PostPosted: Sun Jul 01, 2012 11:20 pm 
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I know Stalarius in Kelowna who took over from AOG are still doing mods. Check them out online, they might have your answers. Wing struts or the bolts are changed and some added plates overlapping the strut connections. This is just off the top of my head, someone else might have the correct info. DHC


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PostPosted: Mon Jul 02, 2012 3:05 am 
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If I recall Kenmore held the stc for the up gross on the beaver I was flying. Sorry, can't remember the exact mods, but that may be a place to start too.


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PostPosted: Mon Jul 02, 2012 4:01 am 
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Location: Where the sun don't shine!!... Literally.
Viking holds the STC you're asking about... come to think of it, I think Wipline has a 5600 up gross mod too. A few more rivets in the wings, lifetime struts, and many many dollars worth of paperwork :)


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PostPosted: Mon Jul 02, 2012 5:59 am 
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As has been mentioned above, struts, rivets, etc.
Unfortunately however, nothing that makes the aircraft fly any better at that weight.


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PostPosted: Mon Jul 02, 2012 5:32 pm 
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Slats wrote:
As has been mentioned above, struts, rivets, etc.
Unfortunately however, nothing that makes the aircraft fly any better at that weight.


Yes, how true that is. We have to remember, it doesn't matter how many mods are added to this fine beast, it's still the same stove bolted on the front.( piston versions of course ) DHC


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PostPosted: Mon Jul 02, 2012 6:15 pm 
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I was part of the R & D and have done many installations. Fire away your questions.


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PostPosted: Mon Jul 02, 2012 6:18 pm 
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I flew in one many years ago. Could hardly hold altitude when it was hot and muggy out. If you want to haul an otter load, buy an otter!


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PostPosted: Mon Jul 02, 2012 8:39 pm 
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Lost Lake wrote:
I flew in one many years ago. Could hardly hold altitude when it was hot and muggy out. If you want to haul an otter load, buy an otter!


You were probably still using the power settings for the original weights.. I was witness to someone trying to fly the f8cking thing at 5600lbs at 28/18!! No wonder it was staggering around like a stuck pig. If you want that extra weight, you're gonna have to burn more fuel.

I'll agree though.. you want to carry that much more weight? Stop being cheap and get a turbine beav or otter :wink:

As for the question by the original poster. Have you gotten the info you needed? If not, I can track down a couple of numbers/contact information for friends in the industry who have performed the STC. IIRC as stated before, its a strut change, some added reinforcements near them and a couple of placard and paper changes.

Doesn't Pasco run their beavers on the whip amphibs with the up gross? I noticed all their machines had two bladed props, and both the skegs AND vertical fins on the horizontal stabilizers


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PostPosted: Mon Jul 02, 2012 9:00 pm 
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Rowdy wrote:
Lost Lake wrote:
I flew in one many years ago. Could hardly hold altitude when it was hot and muggy out. If you want to haul an otter load, buy an otter!


You were probably still using the power settings for the original weights.. I was witness to someone trying to fly the f8cking thing at 5600lbs at 28/18!! No wonder it was staggering around like a stuck pig. If you want that extra weight, you're gonna have to burn more fuel.

I'll agree though.. you want to carry that much more weight? Stop being cheap and get a turbine beav or otter :wink:

As for the question by the original poster. Have you gotten the info you needed? If not, I can track down a couple of numbers/contact information for friends in the industry who have performed the STC. IIRC as stated before, its a strut change, some added reinforcements near them and a couple of placard and paper changes.

Doesn't Pasco run their beavers on the whip amphibs with the up gross? I noticed all their machines had two bladed props, and both the skegs AND vertical fins on the horizontal stabilizers


Ours had a 3 blade Hartzell prop and the full Baron STOL kit and WIP 6000 amphibs. I would cruise all day long at 125mph indicated with a touch of flap using 28/18


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PostPosted: Mon Jul 02, 2012 9:46 pm 
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This pretty much sums up what I was trying to find out. I was just having trouble finding information online about the mod. My employer was talking about a mod that brings the engine mounts foreward an inch or two. I was just curious if it had anything to do with an upgross. Thanks everyone for the feedback.


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PostPosted: Mon Jul 02, 2012 10:33 pm 
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The engine relocate is a separate mod from the upgross. I seem to recall it making for a bit better cruise speed, but it's been a while.
Probably nothing that keeping it within legal weight and cracking a touch of flap as necessary couldn't accomplish.


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PostPosted: Mon Jul 02, 2012 10:45 pm 
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cdnpilot77 wrote:
I would cruise all day long at 125mph indicated with a touch of flap using 28/18


125 indicated. You had a good one. All the ones I flew were in the 100 range. I think one of the best beaver mods out there is the wing angle. Totally improves the old girl. Every beav should have one. DHC


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PostPosted: Mon Jul 02, 2012 11:02 pm 
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cdnpilot77 wrote:

Ours had a 3 blade Hartzell prop and the full Baron STOL kit and WIP 6000 amphibs. I would cruise all day long at 125mph indicated with a touch of flap using 28/18


I'm not a huge fan of the 3-blader for other reasons, but it seems all the machines I've flown with them seem to indicate the best and of course they're stipulated here for noise reasons... I also noticed the huge difference that wing angle mod made! Do you like the Baron kit? I've flown one with just it and one with both it and the wing angle mod.. I think they complement each other. but the baron kit by itself didn't seem to make much of a difference other than stability in the flare and at low speeds. Was told with just the baron kit and the up gross that we should be running at 29/19 and no flap, but again that was just an opinion. I tried and it worked out fine. Have also heard of some running at 30/20.. Its incredible to see all the variances out there among the beavs. No two are even remotely close to the same!! Totally agree with you DHC.. they should all see the wing angle mod!

I got to try one with the engine mount extension. Sure is nice for c of g purposes and a load.. but it seemed to be more apt to dig when lightly loaded or at the forward edge of the c of g envelope. Anyone else notice this?


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PostPosted: Mon Jul 02, 2012 11:27 pm 
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DHCdriver wrote:
I think they complement each other. but the baron kit by itself didn't seem to make much of a difference other than stability in the flare and at low speeds. Was told with just the baron kit and the up gross that we should be running at 29/19


Absolutely, I feel the same way. I ran the old girl at 29/19 because I had a slow one and I wasn't paying for the gas :lol: DHC


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PostPosted: Sun Jul 15, 2012 5:57 pm 
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The one I'm flying now got the baron STOL, 5370 gross weight and it's 29/19 all the time unless you wanna fly backward


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PostPosted: Tue Jul 17, 2012 11:17 pm 
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Anyone thats flown the goose/beech 18/other 985 powered machines care to comment on fuel burn/longevity and their respective (I'm assuming) higher power settings?


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