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Cox Engine of The Month
Sorta Sterling BRM
Page 1 of 1
Sorta Sterling BRM
Hi All,
Please help with a decision. I have been working on a BRM from tracings I found on OZ and HPA.
Now that I'm close to final assembly, I wanted hard numbers on bellcrank assembly and engine mount details.
Today I found a copy of Pat King's BRM clone. I hope he chose to up-size the wing...or I blew printing the original patterns. His root chord is five inches, while mine is four inches.
This kit is going to a boy at church...so it really needs to be able to stay in the air, and land with durability in mind.
What is the root chord on the original BRM?
Should I make a new wing?
Thanks in advance for any help you can provide...I'm all ears (well, eyes).



Please help with a decision. I have been working on a BRM from tracings I found on OZ and HPA.
Now that I'm close to final assembly, I wanted hard numbers on bellcrank assembly and engine mount details.
Today I found a copy of Pat King's BRM clone. I hope he chose to up-size the wing...or I blew printing the original patterns. His root chord is five inches, while mine is four inches.
This kit is going to a boy at church...so it really needs to be able to stay in the air, and land with durability in mind.
What is the root chord on the original BRM?
Should I make a new wing?
Thanks in advance for any help you can provide...I'm all ears (well, eyes).



944_Jim- Platinum Member
Posts : 1097
Join date : 2017-02-08
Age : 56
Location : NE MS
Re: Sorta Sterling BRM
Replied. See your e-mail.....

NEW222- Top Poster
- Posts : 3224
Join date : 2011-08-13
Age : 42
Location : oakbank, mb
Re: Sorta Sterling BRM
@NEW222 wrote:Replied. See your e-mail.....![]()
Big THANKS to Chancey.
It turns out I cut my wood based on his BRM templates. I lost the ones I used for patterns. He generously supplied his copies, and they confirm that I'm on the right track with this bird.
Completed pics with new owner will follow soon!
944_Jim- Platinum Member
Posts : 1097
Join date : 2017-02-08
Age : 56
Location : NE MS
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