windward 21 sailboat

• Row boat plans
• Sailboat plans
• Power boat plans
• Windward 21

Windward 21 by Chesapeake Marine Design

Daysailer/cuddy cruiser.

URL: http://www.cmdboats.com/windward21.htm

Description:

WINDWARD 21 is based on the Seaside Bateaux once common working craft behind the barrier islands of Maryland's Atlantic coast. These boats were noted for their load capacity and speed under sail for a client who I designed her wanted a daysailer with a large and simple overnight cockpit .... accommodations under a boom .... She is stable and will ...many friends and farmily ....

Estimated cost for quality construction materials (not including power or sails) is $12000. This cost includes a high level of outfit and finish you can be proud of after putting the effort into building this fine boat.

Boats about same size as Windward 21

Questions? Suggestions? Contact us at: [email protected]

Review of Windward 21 (Luger)

Basic specs..

The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all.

The boat equipped with a fractional rig. A fractional rig has smaller headsails which make tacking easier, which is an advantage for cruisers and racers, of course. The downside is that having the wind from behind often requires a genaker or a spinnaker for optimal speed.

The Windward 21 (Luger) is equipped with a swing keel. A swing keel is a pivoting lifting keel, allowing to sail both coastal and inland waters.

The boat can sail close to the beach as the draft is just 0.15 - 0.25 meter (0.49 - 0.79 ft) dependent of the load. See immersion rate below.

Sailing characteristics

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

What is Capsize Screening Formula (CSF)?

The capsize screening value for Windward 21 (Luger) is 2.63, indicating that this boat would not be accepted to participate in ocean races.

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 5.9 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Windward 21 (Luger) is about 97 kg/cm, alternatively 543 lbs/inch. Meaning: if you load 97 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 543 lbs cargo on the boat it will sink 1 inch.

Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

What is Motion Comfort Ratio (MCR)?

What is L/B (Length Beam Ratio)?

What is Displacement Length Ratio?

Maintenance

When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 16m 2 (172 ft 2 ). Based on this, your favourite maritime shop can tell you the quantity you need.

If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

Do you have changes/improvements you would like to share? Upload a photo and describe what you have done.

We are always looking for new photos. If you can contribute with photos for Windward 21 (Luger) it would be a great help.

If you have any comments to the review, improvement suggestions, or the like, feel free to contact us . Criticism helps us to improve.

Great choice! Your favorites are temporarily saved for this session. Sign in to save them permanently, access them on any device, and receive relevant alerts.

• Sailboat Guide

Luger Windward 21

Luger Windward 21 is a 20 ′ 11 ″ / 6.4 m monohull sailboat designed by Ren and Orem Luger and built by Luger Industries between 1964 and 1987.

Rig and Sails

Auxilary power, accomodations, calculations.

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

SA/D = SA ÷ (D ÷ 64) 2/3

• SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
• D : Displacement in pounds.

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Ballast / Displacement * 100

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

• D: Displacement of the boat in pounds.
• LWL: Waterline length in feet

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

• D: Displacement of the boat in pounds
• LOA: Length overall in feet
• Beam: Width of boat at the widest point in feet

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

CSV = Beam ÷ ³√(D / 64)

Also sold in ‘‘kit’’ form.

Embed this page on your own website by copying and pasting this code.

• About Sailboat Guide

©2024 Sea Time Tech, LLC

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Windward 21 luger

The windward 21 luger is a 21.0ft fractional sloop designed by ren and orem luger and built in fiberglass by luger industries (usa) between 1964 and 1987..

The Windward 21 luger is a light sailboat which is under powered. It is stable / stiff and has a low righting capability if capsized. It is best suited as a day-boat.

Windward 21 luger for sale elsewhere on the web:

Main features

Login or register to personnalize this screen.

You will be able to pin external links of your choice.

See how Sailboatlab works in video

We help you build your own hydraulic steering system - Lecomble & Schmitt

Accommodations

Builder data

Modal Title

The content of your modal.

Personalize your sailboat data sheet

Paste a link here:

Give it a title:

And eventually a link to an image for the thumbnail:

• Register / Login

A password will be e-mailed to you

Reset Password

WINDWARD 21 (MACGREGOR)

More information, image gallery, floor plans.

Use the form below to contact us!

• Forums New posts Unanswered threads Register Top Posts Email
• What's new New posts New Posts (legacy) Latest activity New media
• Media New media New comments
• Boat Info Downloads Weekly Quiz Topic FAQ 10000boatnames.com
• Classifieds Sell Your Boat Used Gear for Sale
• Parts General Marine Parts Hunter Beneteau Catalina MacGregor Oday
• Help Terms of Use Monday Mail Subscribe Monday Mail Unsubscribe
• Thread starter tweeet65
• Start date Aug 15, 2011
• Oday Owner Forums
• Day Sailers

Hi, I am looking at a 1985 Luger 21. Looks like there are several models; Southwind, leeward, windward, etc. Does anyone have a resource so I can see the differences between them. Is this a boat one (or 2) can spend the night on? Thanks in advance, Tweeet  

Sunbird22358

The LEEWARD is a 16' model similar to an O'DAY Day Sailer I (well, sort of?). I think the Southwind and Windward are basically the same boat, the difference is mainly that the SOUTHWIND has a retractable keel that is totally below the hull, and the WINDWARD is a CENTERBOARD design with the CB housed inside the hull. (Windward is an older version of hte Southwind) I have an old (1981 and 1982) catalog, but there used to be a LUGER BOATS website mantained by a few owners. "The Luger Mooring".... unfortunately it seems to have disappeared! I'd suggest "googling" LUGER, see what you find...... I think I found more info on a couple of general sailing sites, like one on trailersailing. Try the Small Craft Advisor Web Site (and magazine). I can try to answer questions based on my brochures..... PS: the "SOUTHWIND 21" is really only 20' long........ Luger got 21' by measuring around the curve of the gunwale! Pretty sneaky!! I'd say 2 people could cruise in relative comfort on a boat this size, it will be a couple of steps above sleeping in a tent, and many couples have happily cruised in smaller boats. However, a lot depends on how the original owner built/finished the boat, these LUGER boats were all "kit boats" and were completed from bare hulls/decks by their owners.  

Here is a couple of links. I belong to the yahoo group. Its still alive but a little slow. http://scripts.cgispy.com/board.cgi?user=lugerads http://groups.yahoo.com/group/lugerboats/  

Barnacle Bill

Luger Industries had its beginnings with Orm Luger and his brother in Burnsville, MN. Orm, an older gentleman now, is still alive as far as I know and lives in Minnetonka, MN. They later (but long ago)sold their business to a fellow in Missouri. I don't think they have been in business for many years. They provided kit boats of both power and sail and some of the hull molds were used for both. The sailboat designs were as follows: Zephyr 11 "multi-purpose mini-sailor" Model 1580 was a day sailor Surfrider 12 Model 1200 was a surf board with a wishbone held mainsail (like a Windsurfer) Sebreeze 16 Model 1670 had a swing keel and a small cabin Leeward 16 Model 1690 was a hard-chined daysailor with a small open cuddy (like the O'Day DS) Southwind 21 Model 2112 was the "basic" boat where you designed your own interior Southwind 21 Model 2111 was an "Interior-included" model Tradewinds 26 Model 2601 was a cabin boat where you designed and built your own interior Tradewinds 26 Model 2602 was the "interior-included" model Fairwinds 27 Model 2701 was the basic model with no interior Fairwinds 27 Model 2702 was the 'Interior-included" model Voyager 30 Model 3001 was a sloop-rigged basic model with no interior Voyager 30 Model 3002 was a sloop rigged boat with the interior included Voyager 30 Model 3003 was a ketch rigged basic boat with no interior Voyager 30 Model 3004 was a ketch rigged interior included vessel. That is all the sailboat designes that Luger provided. The rest are powerboats.  

• This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. By continuing to use this site, you are consenting to our use of cookies. Accept Learn more…