Bruce Heard

First impression from Robert Micheri/Sunglar:

CA4 The Iron Queen - Calidar Publishing | DriveThruRPG Open Game License , 2/25/26 ©2026 Bruce A. Heard This digital supplement includes a booklet along with three labeled poster maps of the Iron Queen gunship, and two unlabeled, plus maps needed for an a...

The Iron Queen reaches for the stars. Kragdûr needs you: Join the Dwarven Space Force. The space above your game world will never be the same. Now available on Drivethru.

#TTRPG #RPG #OSR #DnD #D&D #BECMI #Calidar #OSE #OldStyleEssentials

www.drivethrurpg.com/en/product/5...

Breaking: I plan on releasing the Iron Queen on Tuesday, March 3rd. Stay tuned!

#TTRPG #RPG #OSR #DnD #D&D #BECMI #Calidar #OSE #OldStyleEssentials

Thanks!

I've uploaded the *Iron Queen* on DTRPG so I can work on the presentation page. I'm waiting for the last proofreading notes to come in before the last file update. The project isn't live yet, but should soon be. Stay tuned.

#TTRPG #RPG #OSR #DnD #D&D #BECMI #Calidar #OSE #OldStyleEssentials

Ka-Blam!

#TTRPG #RPG #OSR #DnD #D&D #BECMI #Mystara #Roleplaying #HobbyGaming #Fantasy #DragonMagazine #Dungeon

A new direction?

#TTRPG #RPG #OSR #DnD #D&D #BECMI #Mystara #Roleplaying #HobbyGaming #Fantasy #DragonMagazine #Dungeon

Preview: The Iron Queen I have the pleasure of announcing the upcoming release of my latest project: The Iron Queen . Designed for Old Style Essentials (classic ve...

Hi all. I'll be releasing a new title for Old School Essentials in the coming days. A spacefaring dwarven ironclad facing giant space monsters? Why not. FIRE!

I posted a preview here:
bruce-heard.blogspot.com/2026/02/prev...

#OSE #B/X #BECMI #DnD #RPG #Calidar #TTRPG #OSR

Breaking News... Spacefaring dwarven ironclad goes to war!

Find out more here: www.facebook.com/groups/Calidar
DTRPG: www.drivethrurpg.com/en/publisher...
#OSE #B/X #BECMI #DnD #RPG #Calidar #TTRPG #OSR

Therein lies the source of a brooding civil war on the World of Kragdûr. #OSE #B/X #BECMI #DnD #RPG #Calidar #TTRPG #OSR

Space runabout, dwarven style.

#OSE #B/X #BECMI #DnD #RPG #Calidar #TTRPG #OSR

Pt III

The curvature of that tiny planetoid limits the distance the PCs can observe around them. Time is also of the essence because the PCs wear spacesuits with limited breathable air. Happy trails!

#OSE #B/X #BECMI #DnD #RPG #Calidar #TTRPG #OSR

Pt II

The first map has all the details, the next two are Players' Aid versions (you might recognize an X1 "Isle of Dread" approach with the third). (...)

#OSE #B/X #BECMI #DnD #RPG #Calidar #TTRPG #OSR

Pt I

The adventure in the "Iron Queen" includes an away mission for the PCs, on a large, airless asteroid. The map shows their short trek from their LZ to the objective. (...)

#OSE #B/X #BECMI #DnD #RPG #Calidar #TTRPG #OSR

I had to recover a diagram from CAL1, which should be helpful in my present project. I didn't have the original file, so I recreated it with extra info.

#OSE #B/X #BECMI #DnD #RPG #Calidar #TTRPG #OSR

Oh, well. I just handed over the Iron Queen manuscript to my editor. Sigh... I feel under-employed. The poster maps are done, but I want to collect the book's maps and save a set labeled for the DM and another, unlabeled and edited for players.

#OSE #B/X #BECMI #DnD #RPG #Calidar #TTRPG #OSR

I added an extra adventure idea to the last chapter. It entails removing the aft turret and replacing its entire structure with accommodations for ambassadors to run a special mission. Shown here: the top lounge, with bar and glass canopy.

#OSE #B/X #BECMI #DnD #RPG #Calidar #TTRPG #OSR

I had a lot of fun setting up the main plot, involving the ship's officers (and their secret motivations) and the social castes of the dwarven crew.

Here's the booklet's back cover. Happy Trails!

#OSE #B/X #BECMI #DnD #RPG #Calidar #TTRPG #OSR

It is. I just got the "bug" to draft a large spacefaring ship. It started with a few casual doodles, and some ideas surfaced. I ended up with enough that I just had to pull all these pieces together for a bit of fun. Six months later... here we are.

Here's a mockup of my present project's cover.
#OSE #B/X #BECMI #DnD #RPG #Calidar #TTRPG #OSR

Some changes were made, including some from the Royal Navy, which made the Corsair an excellent carrier-borne fighter/bomber from 1944 onward.

WWII US Aviation Industry This article has been more of a whopper after having had a look at French and British wartime industries (click here for France or Britain ...

Since I completed three earlier articles on French and British WWII aviation, here's the fourth installment. This one is about the prowess of American industrial might in military aerospace. Let me know if you're interested in more of that stuff. Thanks!

bruce-heard.blogspot.com/2025/08/USWW...

If you're interested in details re. Fairey Aviation's fate, check this out:

Actually, Fairey is also listed in my diagram, so I did NOT forget them. 😛

I missed out on Fairey. It was founded in 1915 and failed as a business in 1960. Boulton-Paul is listed at the bottom of the diagram.

Some of its WWII icons vanished, like Handley Page, others became part of foreign enterprises, while much of the remainder joined British Aerospace or Rolls-Royce.

WWII British Aviation Industry Since I recently completed research on France's aviation industry ( see here ), I couldn't just walk away without doing the same for the U.K...

I put together a summary of British aviation during WWII -- its challenge to meet production demands before and during the Battle of Britain, and eventually its mergers.

bruce-heard.blogspot.com/2025/07/Brit...

*NOT* D&D: WWII French Air Woes I've been toying with a what-if scenario about an alternative buildup strategy for the French air force in the 30s. One of the biggest probl...

As a follow-up to my previous article, I took a more in-depth look at the sources of issues that plagued French air power in WWII, with a few "what-ifs" added along the way.

bruce-heard.blogspot.com/2025/07/Fren...