The issue of size, is less binary, although you have two broad choices: medium or xtra-xtra large. Below is a breakdown of grenadier units as they appear in the published "British Grenadier!" scenario books:
Bunker Hill: 16
Long Island: 20, 20, 16, 16 (1st, 2nd, 3rd, 4th Grenadiers)
Haarlem Heights: 20, 20, 16, 16 (1st, 2nd, 3rd, 4th Grenadiers)
Bound Brook: 20
Pell's Point: 40
Brandywine: 24, 24 (1st and 2nd Grenadiers)
Freemans' Farm: 24
Bemis Heights: 16
Whitemarsh: 24, 24 (1st and 2nd Grenadiers)
Monmouth: 32, 32 (1st and 2nd Grenadiers)
Briar Creek: 10
Eutaw Springs: 14
La Vigie: 20
So a unit of 24 figures will cover over half the scenarios, and many gamers will be satisfied with that. It's when you look at the larger battles that numbers get a bit sticky. There are five scenarios in which the 1st Grenadiers and the 2nd Grenadiers both appear and two of those also feature the 3rd and 4th Grenadiers. So the most grenadier figures you need at one time, for Long Island or Haarlem Heights, is 72.
I painted the 3rd and 4th Grenadiers for a Long Island game back in 2008 (together with a command stand). Those 16-figure units, both in charging poses, helpfully combine to form the 2nd Grenadiers for Brandywine, Whitemarsh and Monmouth. My existing 1st Grenadiers, in marching poses, was 24 figures, so that needed bulking up to 32 anyway. But I then looked at the other scenarios and thought I might as well just another 8 figures to bring the unit up to 40 so I could use it as both the 1st and 2nd Grenadiers for Long Island and Haarlem Heights.
Having decided on numbers, the last issue is to think about what regiments the unit(s) should include. The composition of the combined battalions changed over the duration of the war, but the following information seems reliable (and is taken mostly from the research that Brendan Morrissey has made available either in his excellent Osprey books or on TMP and other websites):
At Bunker Hill in June 1775:
- 4th, 5th, 10th, 18th, 23rd, 38th, 43rd, 47th, 52nd, 59th.
- 3rd Grenadiers: 15th, 28th, 33rd, 37th, 46th, 54th and 57th;
- 4th Grenadiers: 42nd (one double-size company) and 71st highlanders (three companies).
- 1st Grenadiers: 4th, 5th, 10th, 15th, 17th, 22nd, 23rd, 27th, 28th, 33rd, 35th, 38th, 42nd and 55th regiments;
- 2nd Grenadiers: 37th, 40th, 43rd, 44th, 45th, 46th, 49th, 52nd, 57th, 63rd, 64th, 71st, and Marines (the companies from the 71st and Marines were reassigned before the battle of Monmouth in June 1778);
- Burgoyne's Saratoga army: 9th, 20th, 21st, 24th, 29th, 31st, 34th, 47th, 53rd and 62nd.
At Eutaw Springs in September 1781:
- 3rd, 19th, 30th.
Here are the new figures:
I appreciate that the blog has been quite of late, but I'm now back in business and there is much more AWI to come shortly.
14 figures. Painted August 2016. Below are some other photos of the complete "brigade" out in the sun.
The second battalions of the 42nd and 71st have a red stripe in their plaid.