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Forum: Dockside Chat
11-09-2019, 01:32 PM
Replies: 11,980
Views: 5,174,475
Posted By WaterDamage

https://cimg1.ibsrv.net/gimg/www.thehulltruth.com-...

https://cimg1.ibsrv.net/gimg/www.thehulltruth.com-vbulletin/720x580/fb_img_1573307357202_4d313c5357c43aaf7531aaf32f7b2fbb02604cf2_7c216264ef1bec317539db59b113152612c702e2.jpg
BathFitter guy...
Forum: Dockside Chat
11-09-2019, 01:22 PM
Replies: 53
Views: 5,547
Posted By WaterDamage

If searching a couple of words 'gives away' your...

If searching a couple of words 'gives away' your idea, the odds are very much against your idea being patentable. If you pass this basic test there are still many other hurdles (both financial and...
Forum: Dockside Chat
11-08-2019, 07:10 PM
Replies: 53
Views: 5,547
Posted By WaterDamage

espacenet is another patent site - all US and...

espacenet is another patent site - all US and international patents and no google watching you
Forum: Dockside Chat
11-07-2019, 10:40 AM
Replies: 53
Views: 5,547
Posted By WaterDamage

I find a lot of the ideas people come up with...

I find a lot of the ideas people come up with fall into this category of being an obvious combination of things that have already been patented. Such ideas are not patentable.
Forum: Dockside Chat
10-22-2019, 08:27 PM
Replies: 32
Views: 2,091
Posted By WaterDamage

Literally any airplane down to a piper cub can do...

Literally any airplane down to a piper cub can do a barrel roll. The loop is significantly higher load. Want to impress me, do a Lomcevak.
Forum: Dockside Chat
10-22-2019, 07:34 PM
Replies: 32
Views: 2,091
Posted By WaterDamage

yawn. Bob Hoover.

yawn. Bob Hoover.
10-18-2019, 09:29 PM
Replies: 308
Views: 61,377
Posted By WaterDamage

Bullboxer - what a dumbass screen name.....might...

Bullboxer - what a dumbass screen name.....might start a thread about how much it bothers me...
10-18-2019, 07:49 PM
Replies: 11
Views: 1,888
Posted By WaterDamage

Not near as bad as decking a green and angry...

Not near as bad as decking a green and angry cobia, or even a big dolphin.
10-15-2019, 10:10 PM
Replies: 214
Views: 31,005
Posted By WaterDamage

See above - it's more involved than a simple...

See above - it's more involved than a simple formula.
10-15-2019, 04:25 PM
Replies: 214
Views: 31,005
Posted By WaterDamage

We use the concept of a 'meanline' to define the...

We use the concept of a 'meanline' to define the radial location at which the same amount of mass flow passes inboard of the meanline as outboard of the meanline.* With the pitch changing from hub to...
10-15-2019, 02:50 PM
Replies: 214
Views: 31,005
Posted By WaterDamage

It's not a simple formula - about as simple as...

It's not a simple formula - about as simple as you can get is mass-averaging based on annulus areas between each set of measured points.
10-15-2019, 01:11 PM
Replies: 214
Views: 31,005
Posted By WaterDamage

Someone earlier in the thread gave what I believe...

Someone earlier in the thread gave what I believe is an accurate answer: They will be more expensive than typical props if made via CNC-machined aluminum, and they'll cost a fortune if made the same...
10-15-2019, 01:06 PM
Replies: 214
Views: 31,005
Posted By WaterDamage

You can get the angle of the chord line measured...

You can get the angle of the chord line measured at several radii and then calculate a meanline value. That's the true pitch, but then when you throw in camber (known by the nonsensical term...
10-14-2019, 09:25 PM
Replies: 214
Views: 31,005
Posted By WaterDamage

Slip is undoubtedly the absolute worst term ever...

Slip is undoubtedly the absolute worst term ever introduced into propeller design and analysis. Water is not a solid and thinking of slip as an efficiency loss only adds to the confusion. What we...
09-29-2019, 10:11 PM
Replies: 6
Views: 406
Posted By WaterDamage

You need to hold 11.2 volts while cranking for it...

You need to hold 11.2 volts while cranking for it to even try to fire. Check voltage while cranking. You need big lead acids or better yet AGM's, and good connections to the block (like 2/0 straight...
Forum: Dockside Chat
09-27-2019, 07:22 PM
Replies: 116
Views: 10,576
Posted By WaterDamage

V-1 buzz bomb was just a precursor to this as it...

V-1 buzz bomb was just a precursor to this as it was a pulse deflagration engine. With pulse-det we have high-energy supersonic shocks creatimg much more noise - some of the most annoying sounds on...
Forum: Dockside Chat
09-27-2019, 07:17 PM
Replies: 457
Views: 95,168
Posted By WaterDamage

Predicting lots of gelcoat repairs 5" above...

Predicting lots of gelcoat repairs 5" above waterline.
Forum: Dockside Chat
09-27-2019, 07:15 PM
Replies: 116
Views: 10,576
Posted By WaterDamage

May I respectfully suggest you acquire a pulse...

May I respectfully suggest you acquire a pulse detonation leaf blower:

https://www.youtube.com/watch?v=rSzUIoaOvko
Forum: Dockside Chat
09-14-2019, 08:54 PM
Replies: 11,980
Views: 5,174,475
Posted By WaterDamage

8pm Eastern and you don't have your 'pour on'...

8pm Eastern and you don't have your 'pour on' yet? Who's the wusse?
Forum: Dockside Chat
09-14-2019, 07:40 PM
Replies: 11,980
Views: 5,174,475
Posted By WaterDamage

necessary after these last few...

necessary after these last few...
09-12-2019, 06:39 PM
Replies: 26
Views: 2,483
Posted By WaterDamage

So it's steered with a giant tuning fork?

So it's steered with a giant tuning fork?
09-10-2019, 01:39 PM
Replies: 86
Views: 7,961
Posted By WaterDamage

Prop pitch typically varies from hub to tip, so...

Prop pitch typically varies from hub to tip, so the effective overall pitch is a mass-averaged value. Complicating it further, OEM's may choose to understate the pitch so that calculated slip...
09-09-2019, 10:05 PM
Replies: 86
Views: 7,961
Posted By WaterDamage

Let me take a crack at this one: If you are...

Let me take a crack at this one:

If you are running a 4-stroke (typically 6000 rpm max), and have a large enough engine such that your rig hits 60 mph, then bingo your magical 10:1 is achieved....
08-22-2019, 09:34 PM
Replies: 51
Views: 7,618
Posted By WaterDamage

My first choice would be the Tribute (absolute...

My first choice would be the Tribute (absolute tops in quality, construction, plus it's a custom build), then Seavee (solid quality and construction, and great ride).
Showing results 1 to 25 of 500
 


 
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