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-   -   Dinghy: Rollup or Slat? (https://www.cruisersforum.com/forums/f117/dinghy-rollup-or-slat-194437.html)

SailRedemption 30-11-2017 20:19

Dinghy: Rollup or Slat?
 
We just sold our not-compatible-with-our-boat RIB. That said, we're in the market for a new dinghy, this time it will be inflatable with a hard aluminum floor(sorry we're not interested in a inflatable floor). What we don't know is which is a better for us because we don't know much about either. We are looking for a 9-11' in hypalon and we have a 8hp two stroke to put it on. We would like to bring it inside when on passage. Hang on the side of the hull with a halyard or on deck when at anchor.

Do the rollup floors stay on the dinghy when deflated, as in, does the whole boat roll up with the aluminum floor? Can the come out and rollup separate? Does the slat aluminum floor come in and out easily? Are rollup rigid or as rigid as a slat floor?

Among those questions, What do you prefer?

Again, please no RIB or inflatable bottom boats please.

Also, I have searched this and other sites, but most are comparisons of inflatable to hard floors or RIB...

Sailmonkey 30-11-2017 20:22

Re: Dinghy: Rollup or Slat?
 
The Alu floor roll ups Iíve seen were rolled with the floor in place. Neat and easy.

The floors are removable for the occasional Sand removal/etc, but requires a bit of calm deliberate movement

SailRedemption 30-11-2017 20:28

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by Sailmonkey (Post 2528148)
The Alu floor roll ups Iíve seen were rolled with the floor in place. Neat and easy.

The floors are removable for the occasional Sand removal/etc, but requires a bit of calm deliberate movement

Oh alright, well that's good then. Was this yours? And is the floor as stiff/rigid as slat floors, if you have experience with both?

NahanniV 30-11-2017 21:50

Re: Dinghy: Rollup or Slat?
 
I have had a slat floor, removable plywood floor, and High pressure Inflatable floor.

The slat floor was easiest to stow/deploy, but really not good for anything other than flat calm. All the ones I have seen have no keel, just a flat bottom. Also, not sure if you would find one rated for 8Hp.

The Plywood floor had a keel tube that gave the bottom some shape, and it was more rigid than the slat floor, but a pain to assemble and stow.

The HP inflatable floor (Achilles) has been great.

ranger42c 01-12-2017 05:19

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by SailRedemption (Post 2528147)
Do the rollup floors stay on the dinghy when deflated, as in, does the whole boat roll up with the aluminum floor? Can the come out and rollup separate? Does the slat aluminum floor come in and out easily? Are rollup rigid or as rigid as a slat floor?


We had a West Marine RU-285 roll-up, with fancy teak-and-holly (look) wood, made by Zodiac. We got our money's worth out of it.

The floor stayed in when rolled. Rolling wasn't a snap; had to pay attention to it, get it just right, before it would fit back into its storage bag. It was possible to get it mostly out of the way to clean underneath, but not easy.

The roll-up was heavier than we wanted; an air floor would have been better for our purposes... we could have gotten the next size longer for less weight. We had big dogs at the time, air floors had just been introduced not long before, I thought dog toenails would be too hard on air floor. Turns out, that wouldn't have been an issue.

The RU-285 had an inflatable "keel" section, but it didn't track all that great. I doubt any different from an air floor version with similar inflatable keel.

-Chris

rgleason 01-12-2017 05:36

Re: Dinghy: Rollup or Slat?
 
We have a smaller Avon rollup with stiff interlocked floor with inflatible tubular inside keel that locks the floor in place and creates a better shaped bottom. The hard plywood transom folds down too. The floor will stay in place when inflated and when deflated. When deflated you can unscrew a stern floor cleat and work the floor out of between the tubes for cleaning or repair. It can be hung or laid on deck and rolled up into a smaller package.

rgleason 01-12-2017 05:40

Re: Dinghy: Rollup or Slat?
 
We have another hard bottom fiberglass rib 310 hypalon with fold down stern. This tows better but takes more room on deck when deflated because it does not roll up. We use it all the time.

Sailmonkey 01-12-2017 06:38

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by SailRedemption (Post 2528149)
Oh alright, well that's good then. Was this yours? And is the floor as stiff/rigid as slat floors, if you have experience with both?



It wasnít mine, but I spent a considerable amount of time with it.

The aluminum floor with inflatable keel was stiffer than the slat floor by a large margin. Under the floor was an inflate-able keel that made the performance more ďrib likeĒ compared to having the keel deflated.

The boat I spent time with was an Avon.

robert sailor 01-12-2017 07:08

Re: Dinghy: Rollup or Slat?
 
I owned an Achilles aluminum roll up floor dink many years ago with an 8hp. It would plane with 2 people but no more. It was easy to roll up. When planing the floor would sort of have little rolls or movements in choppy water. It was not as stiff or as light as an airfloor but more dependable in the long run.

thinwater 01-12-2017 09:37

Re: Dinghy: Rollup or Slat?
 
47 feet?

Davits. Once you've had them you would never do without. when you want to go some wherer in the dinghy, it's just like getting in the car.

Telesail 01-12-2017 10:59

Re: Dinghy: Rollup or Slat?
 
I just bought an F-RIB and it folds small enough to stow below while being light enough to carry by one person. Have you looked at one? F-RIB | Revolutionary new Foldable RIBs (F-RIBs)

Might be best of both worlds for you. I know it solved my problem.

SailRedemption 01-12-2017 13:45

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by NahanniV (Post 2528175)
I have had a slat floor, removable plywood floor, and High pressure Inflatable floor.

The slat floor was easiest to stow/deploy, but really not good for anything other than flat calm. All the ones I have seen have no keel, just a flat bottom. Also, not sure if you would find one rated for 8Hp.

The Plywood floor had a keel tube that gave the bottom some shape, and it was more rigid than the slat floor, but a pain to assemble and stow.

The HP inflatable floor (Achilles) has been great.

Thanks for the information on your experiences with each! The one I'm looking at right now is a Achilles 310 rollup. It has the inflatable keel and is rated for an 8hp,i believe 10max. What happens when it's not flat calm?

SailRedemption 01-12-2017 13:48

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by ranger42c (Post 2528262)
We had a West Marine RU-285 roll-up, with fancy teak-and-holly (look) wood, made by Zodiac. We got our money's worth out of it.

The floor stayed in when rolled. Rolling wasn't a snap; had to pay attention to it, get it just right, before it would fit back into its storage bag. It was possible to get it mostly out of the way to clean underneath, but not easy.

The roll-up was heavier than we wanted; an air floor would have been better for our purposes... we could have gotten the next size longer for less weight. We had big dogs at the time, air floors had just been introduced not long before, I thought dog toenails would be too hard on air floor. Turns out, that wouldn't have been an issue.

The RU-285 had an inflatable "keel" section, but it didn't track all that great. I doubt any different from an air floor version with similar inflatable keel.

-Chris

Thanks for the information. The Achilles 310 rollup we're looking at has an inflatable keel as well. I know I won't find tracking ability no where near the AL AB rib we had.

SailRedemption 01-12-2017 13:50

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by rgleason (Post 2528264)
We have a smaller Avon rollup with stiff interlocked floor with inflatible tubular inside keel that locks the floor in place and creates a better shaped bottom. The hard plywood transom folds down too. The floor will stay in place when inflated and when deflated. When deflated you can unscrew a stern floor cleat and work the floor out of between the tubes for cleaning or repair. It can be hung or laid on deck and rolled up into a smaller package.

Good info, glad the floor can be taken out and rolled up on its own if need be. The Achilles 310 sounds similar to your Avon with the inflatable keel. Did the floor flex much when under power?

SailRedemption 01-12-2017 13:51

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by Sailmonkey (Post 2528277)
It wasnít mine, but I spent a considerable amount of time with it.

The aluminum floor with inflatable keel was stiffer than the slat floor by a large margin. Under the floor was an inflate-able keel that made the performance more ďrib likeĒ compared to having the keel deflated.

The boat I spent time with was an Avon.

Great stuff, thanks for that.

SailRedemption 01-12-2017 13:53

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by robert sailor (Post 2528292)
I owned an Achilles aluminum roll up floor dink many years ago with an 8hp. It would plane with 2 people but no more. It was easy to roll up. When planing the floor would sort of have little rolls or movements in choppy water. It was not as stiff or as light as an airfloor but more dependable in the long run.

That's what we're looking at, a Achilles 310. We are only two people so that should be efficient for us. Was the floor flexibility sketchy or just noticeable when planning in chop?

SailRedemption 01-12-2017 13:55

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by thinwater (Post 2528337)
47 feet?

Davits. Once you've had them you would never do without. when you want to go some wherer in the dinghy, it's just like getting in the car.

Yea 47'. While we like the function of davits we don't want the baggage on the stern like that. Plus, davits or a tower isn't in our budget right now.

SailRedemption 01-12-2017 14:11

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by Telesail (Post 2528388)
I just bought an F-RIB and it folds small enough to stow below while being light enough to carry by one person. Have you looked at one? F-RIB | Revolutionary new Foldable RIBs (F-RIBs)

Might be best of both worlds for you. I know it solved my problem.

I have looked into them, but haven't seen one in person. The two smaller models are about the same deflated size as the Achilles 310 rollup we're looking at. The only thing that prevents me from getting one right away is that 1. The PVC material durability, though I know it's a different type than most other pvc inflatables. And 2. It's deflated size is more boxy than the rollup with is more rectangular. We would like not to have it on deck so would need to make sure it will fit through our companionway. It is slightly lighter so that's a plus.

How do you like it? What did you have before the Frib? Would you say it's easy to get on deck and inflate from below? If you've had a regular inflatable, is it comparable to this new one in setting up? How do you like it in the water, under motor?

Hope you don't mind the questions, you're the first person from what I have seen that has gotten one recently.

FabioC 01-12-2017 16:13

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by Telesail (Post 2528388)
I just bought an F-RIB and it folds small enough to stow below while being light enough to carry by one person. Have you looked at one? F-RIB | Revolutionary new Foldable RIBs (F-RIBs)

Might be best of both worlds for you. I know it solved my problem.

Hi,
I am on the market for a dinghy as well. I looked at the F-RIB and it looks very interesting to me, but I have not found anybody who owns one to know how it behaves...
Could you or any other F-RIB owner comment on it?
Thank you!
Fabio

blueazimuth 02-12-2017 01:11

Re: Dinghy: Rollup or Slat?
 
We had an Avon 285 rollup with the aluminium floor. We noticed a slight upwards bend on the slats when the keel was fully inflated. Avon said you could not over pressure the keel, with their pump, so we have it a good load.

I don't know how the Achilles tracks but our Avon tracked almost as well as the rib. The Avon does cost a little more, but imho it's a better boat, and worth the price differential. We had a 9.9hp 2 stroke and it planed with 3 aboard , flew with 2.

flyingfin 02-12-2017 10:34

Re: Dinghy: Rollup or Slat?
 
Thanks for the information on your experiences with each! The one I'm looking at right now is a Achilles 310 rollup. It has the inflatable keel and is rated for an 8hp,i believe 10max. What happens when it's not flat calm?

When its not calm, you will decide you next one will have a rigid bottom!

Cheechako 02-12-2017 10:59

Re: Dinghy: Rollup or Slat?
 
Are not the rollup and slat the same thing? I guess by slats you mean the ones that are spaced out not touching each other? The rollup/slats work fine but are not that rigid on the water. But of course it's a compromise. Better than air, but not as good as removeable large boards. But those large boards are a PITA to assemble/disassemble. The rollup burp air under the boat when planing, so they kind of lope along passing a mini wave under the floor... if that makes sense.

SailRedemption 02-12-2017 18:19

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by blueazimuth (Post 2528699)
We had an Avon 285 rollup with the aluminium floor. We noticed a slight upwards bend on the slats when the keel was fully inflated. Avon said you could not over pressure the keel, with their pump, so we have it a good load.

I don't know how the Achilles tracks but our Avon tracked almost as well as the rib. The Avon does cost a little more, but imho it's a better boat, and worth the price differential. We had a 9.9hp 2 stroke and it planed with 3 aboard , flew with 2.

Nice to hear about it handling almost like a rib, that's comforting. I think Achilles is the only name in the game for these now. Avon apparently only sells ribs with consoles now. Thanks for the information.

SailRedemption 02-12-2017 18:20

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by flyingfin (Post 2528856)
Thanks for the information on your experiences with each! The one I'm looking at right now is a Achilles 310 rollup. It has the inflatable keel and is rated for an 8hp,i believe 10max. What happens when it's not flat calm?

When its not calm, you will decide you next one will have a rigid bottom!

Haha, well we shall see! Thanks for the tip!

SailRedemption 02-12-2017 18:24

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by Cheechako (Post 2528870)
Are not the rollup and slat the same thing? I guess by slats you mean the ones that are spaced out not touching each other? The rollup/slats work fine but are not that rigid on the water. But of course it's a compromise. Better than air, but not as good as removeable large boards. But those large boards are a PITA to assemble/disassemble. The rollup burp air under the boat when planing, so they kind of lope along passing a mini wave under the floor... if that makes sense.

Yea, the slats are the ones with the two or three big boards. The rollup, the "slats" are all connected I believe. Yea, I know it's a compromise, so I believe the rollup is our winner for that compromise.

I think I'm picking up what you're laying down. The rollup floor kind of flexes in a slow worm motion when at speed. I wonder if the inflatable keel pressure has any affect on that...?

robert sailor 02-12-2017 20:30

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by SailRedemption (Post 2528463)
That's what we're looking at, a Achilles 310. We are only two people so that should be efficient for us. Was the floor flexibility sketchy or just noticeable when planning in chop?

Actually with the inflatable keel it tracked just fine, not that far off a RIB. Yes the floor had movement in it but nothing that really concerned me or made it uncomfortable. Side to side there wasn't any movement but fore and aft the floor would undulate in the waves, quite steady in calmer waters. I liked it and it was a good choice for our size of boat at the time and not that heavy either. Achilles made a great product at that time but I don't know if that's still the case. Good luck. R

ranger42c 03-12-2017 04:27

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by robert sailor (Post 2529176)
Actually with the inflatable keel it tracked just fine, not that far off a RIB. Yes the floor had movement in it but nothing that really concerned me or made it uncomfortable. Side to side there wasn't any movement but fore and aft the floor would undulate in the waves, quite steady in calmer waters.


Our roll-up with inflatable keel didn't track anywhere near as well as our RIB does.

"Undulate" is a good description of floor movement while underway.

-Chris

Telesail 16-12-2017 11:00

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by SailRedemption (Post 2528475)
I have looked into them, but haven't seen one in person. The two smaller models are about the same deflated size as the Achilles 310 rollup we're looking at. The only thing that prevents me from getting one right away is that 1. The PVC material durability, though I know it's a different type than most other pvc inflatables. And 2. It's deflated size is more boxy than the rollup with is more rectangular. We would like not to have it on deck so would need to make sure it will fit through our companionway. It is slightly lighter so that's a plus.

How do you like it? What did you have before the Frib? Would you say it's easy to get on deck and inflate from below? If you've had a regular inflatable, is it comparable to this new one in setting up? How do you like it in the water, under motor?

Hope you don't mind the questions, you're the first person from what I have seen that has gotten one recently.

Sorry it took so long to reply - been traveling on business.

I love the F-Rib because it behaves like a regular rib once it is put together. With a decently powered pump, it is very easy to assemble and the model I bought is light enough for my wife to manage. We bought an electric outboard (not Torqeedo - that is another story for another time) which also breaks down into small enough loads to handle easily.

I keep the F-Rib folded on the transom but could get it down through the companionway if I needed to. My only concern is the PVC material but intend to make canvas chaps when I take my boat to somewhere sunny and leave the dinghy inflated more of the time.

I hope this addresses your questions.

SailRedemption 16-12-2017 12:17

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by Telesail (Post 2537546)
Sorry it took so long to reply - been traveling on business.

I love the F-Rib because it behaves like a regular rib once it is put together. With a decently powered pump, it is very easy to assemble and the model I bought is light enough for my wife to manage. We bought an electric outboard (not Torqeedo - that is another story for another time) which also breaks down into small enough loads to handle easily.

I keep the F-Rib folded on the transom but could get it down through the companionway if I needed to. My only concern is the PVC material but intend to make canvas chaps when I take my boat to somewhere sunny and leave the dinghy inflated more of the time.

I hope this addresses your questions.

Yes it does, thanks for getting back. We have some time before we get another tender so we'll keep the f-rib in mind when we do.

rbk 16-12-2017 12:51

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by SailRedemption (Post 2528456)
Thanks for the information on your experiences with each! The one I'm looking at right now is a Achilles 310 rollup. It has the inflatable keel and is rated for an 8hp,i believe 10max. What happens when it's not flat calm?

Iíll second the experiences here. I currently have both a slat and a ridged. Flat bottom slat is easiest to stow/deploy but you could throw a 50hp on it and will never get on step or real confidence in anything outside flat calm. The suction created by the slats and the flat bottom acts more like a displacement hull. Ridged hull is nice but a pain to stow. Iíve had the opportunity to try out some HPA boats and would undoubtedly go that route with some form of keel guard and cut my own floor panels to protect the floor for wear and tear or find drop in aluminum panels or something else.

dwedeking2 16-12-2017 13:20

Re: Dinghy: Rollup or Slat?
 
Quote:

Originally Posted by Telesail (Post 2537546)
Sorry it took so long to reply - been traveling on business.

I love the F-Rib because it behaves like a regular rib once it is put together. With a decently powered pump, it is very easy to assemble and the model I bought is light enough for my wife to manage. We bought an electric outboard (not Torqeedo - that is another story for another time) which also breaks down into small enough loads to handle easily.

I keep the F-Rib folded on the transom but could get it down through the companionway if I needed to. My only concern is the PVC material but intend to make canvas chaps when I take my boat to somewhere sunny and leave the dinghy inflated more of the time.

I hope this addresses your questions.

Which electric motor did you go with? Would you recommend it?

BigBeakie 17-12-2017 18:05

Re: Dinghy: Rollup or Slat?
 
I second the request for your selection of which electric outboard attracted you, and understand your Torqeedo comment.

Was it the e-Propulsion that you selected?


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Telesail 20-12-2017 13:17

Re: Dinghy: Rollup or Slat?
 
EPropulsion Spirit 1kW. Torqeedo 1003 would have been ok if this did not exist, but....

Light enough in pieces, floating battery and no gearing for motor lead to quieter running and less chance of damage. Too soon to know if it proves more reliable than Torqeedo but often when former employees of a company innovate to create a better product, the results are good.

Will share experience, good or bad, when enough running to have a credible view.

BigBeakie 20-12-2017 13:58

Re: Dinghy: Rollup or Slat?
 
Good choice..they seem to be both well engineered and built. I met the designer at the Sydney boat show and was impresssed. We'll be getting the 6kW for our tender. Let us know how you go with the ePropulsion.


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