BirdyinBOI wrote:Do you guys think one should have double puck brakes when running the Desser 8:50x6 smoothies or would it just be overkill?

Overkill for 8.50x6 but welcome for 29" or more on the 170.

Zzz wrote:

BirdyinBOI wrote:Do you guys think one should have double puck brakes when running the Desser 8:50x6 smoothies or would it just be overkill?

Overkill for 8.50x6 but welcome for 29" or more on the 170.

x2

Single-puck's worked great with 8.50's on my 170B, but when I went to Goodyear Blimps, which are actually smaller than AK Bushwheels 26", the single-pucks wouldn't hold the plane at full throttle, and I literally smoked one of the brakes trying to taxi in a strong crosswind...it got hot enough that it wouldn't hold and the airplane simply pivoted into the wind, where it stayed until the brake cooled down. After going through that three times in one day I ordered double-puck brakes.

If I recall, double-pucks are mandated by the AK Bushwheels STC for all sizes.

Me personally, I thought single puck Cleveland’s were inadequate on my 170B with 8.00-6. I remember several times landing and getting on the brakes and thinking “that’s it?”. But, I was used to flying a C-120 with the same brakes before I bought the 170. I eventually upgraded them to double pucks when I got 26” bushwheels but I still used them when I had the smaller 8.00s on. I liked them a lot more over the single pucks. They aren’t necessary to run 8.50s, but if it were me that’s what I would want. As Hammer said, the double pucks are nice while taxiing in a stiff crosswind. Also, 170s tailwheel steering really sucks so you’ll be using the brakes a lot to help you taxi.

If you’re buying brakes, buy double pucks. No such thing as too much brake, but I’ve often wished for more braking.

MTV

I agree! "Better to have it and not need it than to need it and not have it"!

With great power comes great responsibility.

I had the (stock) single-puck brakes on my C150/150TD with 850's (at 1760# gross weight) and they weren't quite enough.
My old C170 ragwing @ 2200# had double pucks, much better.

Zzz wrote:With great power comes great responsibility.

And hopefully a wee bit of skill and judgement.

MTV

mtv wrote:

Zzz wrote:With great power comes great responsibility.

And hopefully a wee bit of skill and judgement.

MTV

Haha. This pops up occasionally followed by all the speculation. That is my father in a short landing competition. Being a little bit competitive he reckoned he could do better than anyone else (that in itself might a lesson). He has owned this 180 for more than 40 years and has done more than a few thousand hours in it, mostly on strips and without incident. Which shows it can happen to anyone if you get it wrong. Once the deceleration forces started they weren't strong enough to lock the inertia reel in the BAS harness but too much to get his feet off the brakes and stop his upper body collapsing forward on the pole. Once at that point he was just along for the ride as It all went pear shaped. I now lock the harness before landing as part of my checks. It is also worth mentioning he had got to the point in his flying career where he genuinely thought this kind of thing would never happen to him. Something about old and bold.
After a rebuild he still fly's it most weeks aged 84.

JamieG wrote:

mtv wrote:

Zzz wrote:With great power comes great responsibility.

And hopefully a wee bit of skill and judgement.

MTV

Haha. This pops up occasionally followed by all the speculation. That is my father in a short landing competition. Being a little bit competitive he reckoned he could do better than anyone else (that in itself might a lesson). He has owned this 180 for more than 40 years and has done more than a few thousand hours in it, mostly on strips and without incident. Which shows it can happen to anyone if you get it wrong. Once the deceleration forces started they weren't strong enough to lock the inertia reel in the BAS harness but too much to get his feet off the brakes and stop his upper body collapsing forward on the pole. Once at that point he was just along for the ride as It all went pear shaped. I now lock the harness before landing as part of my checks. It is also worth mentioning he had got to the point in his flying career where he genuinely thought this kind of thing would never happen to him. Something about old and bold.
After a rebuild he still fly's it most weeks aged 84.

Haha really? Small world...

mtv wrote:If you’re buying brakes, buy double pucks. No such thing as too much brake, but I’ve often wished for more braking.

MTV

There were a few moments in the back seat when I was doing Husky demo's about 15 years back that I wished for a little less brake from the guy in the front....

Here's what they look like on my Citabria

Are there manually lockable inertial reels, BAS or otherwise for a Cessna? Loved that feature in the Pawnee and T-34's. Sorry for the thread creep.

flyingzebra wrote:Are there manually lockable inertial reels, BAS or otherwise for a Cessna? Loved that feature in the Pawnee and T-34's. Sorry for the thread creep.

Give the BAS ones a sharp yank and they will lock. Lean against them to keep them locked.

JamieG wrote:

flyingzebra wrote:Are there manually lockable inertial reels, BAS or otherwise for a Cessna? Loved that feature in the Pawnee and T-34's. Sorry for the thread creep.

Give the BAS ones a sharp yank and they will lock. Lean against them to keep them locked.

Yes, this is something I’ve done with the BAS harness for years. When I parked a 185 on a mountainside, this procedure may have saved my bacon....or my face.

MTV

Had a tough time finding comparison pictures of the Desser 8.50x6... so here are mine that I just installed on a M7. Much stiffer Goodyear 8.00x6's are the tires being replaced. Added 2.5'' to prop clearance.

Nice!

You got a great comparison picture. Mighty big half inch!!!!

Here they are on a Funk getting ready for w&b.

Tell me about your Funk please. I know where there is one for sale and even though they are 'funky', It might make someone a good cheap flyer. You don't see them very often.