Backcountry Pilot • Best certified Hyd. Wheel Ski

Best certified Hyd. Wheel Ski

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Best certified Hyd. Wheel Ski

OK now that I picked up the Pacer for Victor, he would like to have me put some Hyd WHEEL Ski's on it for him, Airglas, Wipaire best? Any others out there that are certified?
Thanks GT
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Re: Best certified Hyd. Wheel Ski

The best OLDER skis out there are the Fli Lite 3000 retractable wheel skis. I wouldn't even consider anything else, unless I just wanted to look cool with wheel skis, but never really land in much snow.

I have gotten some really good reports on the new Landes 4000 wheel skis as well. Bring $$$. I do not believe they are approved on the Pacer yet. Talk to Landes Airglas about that.

The C-series Fluidyne skis are hell for stout, but are just too small physically to be any good in any kind of deep snow at all.

If you can find a set of Fli Lite 3000s, that would definitely be my first choice.

MTV
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Re: Best certified Hyd. Wheel Ski

Hello,

Back in November thier was a set of fli-lite 3000 for sale
at skiplane.org. You might get lucky and they still have them.
I don't have enough experience to coment on one over the otheir.
We have the fli-lite 3000 on a c-180 I'm a amiture so they work
for me.
Good Luck.
46tcrft
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Re: Best certified Hyd. Wheel Ski

There was a set of Fli-lites on SC.org a month or so ago, not sure if they sold.
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Re: Best certified Hyd. Wheel Ski

I would look at the Airglas GLH-3000's. Very nice light well performing ski. Got them field approved for a Cessna 170.
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Re: Best certified Hyd. Wheel Ski

George, Kheler from Terrace, BC , everyone in Kluane seems to love them kehlerski.com

Nice selection of Hyd and wheel penetration, Cheers, J-M
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Re: Best certified Hyd. Wheel Ski

Different skis have different strengths in different missions. There isn't one all-around best hydraulic ski. I have Fluidyne 3600s on my 180 and FliLite 3000s on my PA-12. here are some pros and cons.

Fluidyne Air Glide skis-
Pros- I can use 850s on the mains (not all Fluidynes can). The skis have excellent ground clearance when retracted. Installation and operation is straight forward, simple, and reliable. The ski uses the tire as a suspension cushion. Providing you have big enough skis your your conditions, they work just fine in soft and deep snow. Still in production so parts are available.

Cons- Heavy. When retracted the aircraft CG moves forward. The retracted position leaves the skis and rigging very close to the prop. Inspect that rigging thoroughly. When retracted the prop noise is reflected into the cabin. They don't turn well in the snow. Aft check cable rigging is concealed.

FliLites-
Pros- Big surface on the snow when the plates are closed. They float very well. No CG shift when operating the skis. Aft check rigging is exposed. The little tail wheel retracts with the plates so the ski surface is very clean when in the ski position. They handle very well in snow.

Cons- Heavy. Limited to 800s on the mains. Not much ground clearance. It can be a problem in the spring when a wheels-down runway or taxiway surface is soft. With wheels down the little tailwheel can't keep the ski tails high enough when pushing the plane back on dirt and gravel. Out of production and no longer supported by Wip, who owns the design and STCs. Parts are getting hard to come by. Installation may require significant gear modification on Cubs (attach fixtures interfere w/ HD gear).

Airglas skis are thermoplastic and while lighter than FliLites or Fluidynes they share some of the cons of the others. Ground clearance isn't good. The Airglas ski is very similar in concept to FliLites but the little tail wheel doesn't retract. It shares all the nuisance qualities when in wheels down position but also keeps that little wheel in the snow when in the ski position. Anyone with penetration ski experience can attest to the drag penalty (on snow) of those little wheels. It can make the difference between getting off or staying on the ground. Schneider ski guys who use plates often have to remove their little wheels for best performance. The fixed wheel on the tail of the Airglas hydraulic ski is a deal breaker for me. On a rag wing Pipers I'd say the old AWB 2500s are a darned good all around ski. Keep a look out for those, too. Or if money's no object, check into Rosti Fernandez skis. They're impressive. Whatever you buy, find out what parts are required for installation and make sure you get everything you need and/or that everything you need for your aircraft is even available. Many install parts are near impossible to find and can be prohibitively expensive if you do find them. Some ski deals aren't as good as they appear.

I know guys who have Fluidynes and at times wish they had FliLites and guys with FliLites that at times wish they had Fluidynes. FliLites float in powder better, Fluidynes are better when operating wheels down. Assess your needs, select what works best. Or more likely, buy the best skis you can afford and adapt to them. Bottom line, nothing outperforms a straight ski on the snow or in the air. Hydraulic skis are a performance compromise that come with a substantial weight and complexity penalty and at a price premium.
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Re: Best certified Hyd. Wheel Ski

Outstanding review, Stewart! Thank you.

On the Airglas LH4000s would add that the plate does not completely close off the wheel cutout. With the closed off ski tail, this apparently deflects a lot of slush up toward the wing if operating in those conditions. The FliLites have an open tail.
With my R2800s I have taken the little tail wheel off the back many times to get airborne. Any idea how difficult this is to do with the Airglas skis - in the cold and deep snow?
With the way the Airglas skis are rigged, the front bungy is very tight? Causes a lot of wear to the fuselage attach points and requires regular bungy replacement. I noticed the FliLites have bungys on the rear check cables. Asked if that was option with Airglas to fix the problem, but didn't get a clear answer.

Stewart, I will be putting the ski brackets on my 180 soon and wondered if you could post a couple photos of the bracket which goes on the lower engine mount bolt. Have seen the bracket placed out board of the mount, but seems like cowling wise it would go better between the fuselage and the mount. Question would then be how to adjust the spacers. Thanks in advance.
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Re: Best certified Hyd. Wheel Ski

Here you go, Matt. Typical (around here) Atlee Dodge ski fittings on a Skywagon. It's a dark, snowy day here and total removal of the cowls wasn't practical. I hope these show you what you need to see. If in doubt, call Steve @ Atlee's. He'll know the fine details better than anyone.

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