Miss BJ Articles

[Paul Allen]

Hi
   Looking for two articles on Miss BJ profile stunter, I think they were in Flying Models Jan and Feb 1987.
Any help appreciated.
Paul
In OZ.

[Avaiojet]

Paul,

All I remember is this because I made graphics or mask for someone, I don't remember who?

PDF file is there for plans.

Not sure this will help.

https://stunthanger.com/smf/open-forum/%27miss-bj-pro%27-plans-by-beto-glaser-a-evolution-from-the-red-baron-design/

[Dan McEntee]

Hi
   Looking for two articles on Miss BJ profile stunter, I think they were in Flying Models Jan and Feb 1987.
Any help appreciated.
Paul
In OZ.

    Paul;
     I have the magazines, but not sure my scanner is up to the task. You are down under, so doing the the old fashioned way will take forever. let me see if I can get my scanner to wake up and function. Send me a PM with an email address to email the files to in the mean time.
    Type at you later,
     Dan McEntee

[Christian Chacha]

I have copies of the article. Will see how fast I can get it to you.

[EddyR]

 I new Bobby very well. I have poster pictures of him and his plane many times on here. He did updates of that model over the years. The pictures should be on here somewhere.
Ed

[Paul Allen]

I have copies of the article. Will see how fast I can get it to you.

Christian,I received the articles from Dan,thanks.

[Tom McClain]

Ken Dufour and myself, are finishing up two versions of Bobby Jone’s Miss BJ. Ken’s is going to be a copy of Chuck Hall’s Miss RJ in white with red trim. Mine will be Major Bud Clarence Anderson’s old Crow from World War II. Pictures to come soon.

[Tom McClain]

Here is my “Old Crow” almost finished.

[Gary Mondry]

Foam wing?

[Tom McClain]

Foam wing?

Nope.  Built up balsa with molded leading edge and CF reinforced main spars.

[Air Ministry .]

Now if someone put a pdf or something on here of the SECOND Miss B J article , we would know it wasnt a phantom mythical beast .

[Tom McClain]

Ink lines, controls, fuel system installed. Clear coats to go. Fly this week.

[Tom McClain]

Both Miss BJs done and ready to fly on Friday.  Old Crow and Miss RJ.

[Scott Richlen]

Tom:  good ink-work!  Looks great!

[Tom McClain]

Tom:  good ink-work!  Looks great!

You won't believe I used a permanent black ink Sharpie to do the lines instead of a Rapidographic India Ink Pen.

Maybe Ken and I will fly them today.

[Tom McClain]

You won't believe I used a permanent black ink Sharpie to do the lines instead of a Rapidographic India Ink Pen.

Maybe Ken and I will fly them today.

Ken and I have flown both Mustangs almost 10 flights. We are deep in the process of trimming them.

[Gary Mondry]

How do you like them so far?  What engines do you have on them?  Are the wings plan thickness?

[Tom McClain]

How do you like them so far?  What engines do you have on them?  Are the wings plan thickness?

So far we are happy with the initial flight characteristics, but we modified the wing to be thicker and double tapered and 4 inches longer.  Final weight came in at 48 oz.  We are using OS 35 Max S engines with OS 703 strap on mufflers.  We needed to drill out the muffler exit to 5/16 inch diameter to let the engine breathe easier.

I had an elevator flap pushrod failure with a threaded clevis and figure 9'd the Old Crow into the ground on the second flight.  The wing was trashed, but I have nearly finished a new wing and should have it back in the air in two weeks.

Ken's Miss RJ is coming along well and we see great potential in both.  Both flew right off on the first flight with no trim issues other than slightly nose heavy.  The fix for that is to go to an OS JetStream muffler which is 1.5 oz lighter.

We are going to fly Ken's again today.

[Tom McClain]

So far we are happy with the initial flight characteristics, but we modified the wing to be thicker and double tapered and 4 inches longer.  Final weight came in at 48 oz.  We are using OS 35 Max S engines with OS 703 strap on mufflers.  We needed to drill out the muffler exit to 5/16 inch diameter to let the engine breathe easier.

I had an elevator flap pushrod failure with a threaded clevis and figure 9'd the Old Crow into the ground on the second flight.  The wing was trashed, but I have nearly finished a new wing and should have it back in the air in two weeks.

Ken's Miss RJ is coming along well and we see great potential in both.  Both flew right off on the first flight with no trim issues other than slightly nose heavy.  The fix for that is to go to an OS JetStream muffler which is 1.5 oz lighter.

We are going to fly Ken's again today.

Well we have several flights on both Miss BJs and are coming along well with the normal flight trimming of the leadoffs, tip weight, elevator to flap ratio, and CG.  We went to the OS 35 Jet Stream mufflers versus the OS 703 tube mufflers and the reduction of 1 oz in the nose was a big improvement in moving the CG back to where the maneuvers are not so big and the controls are much lighter for doing loops.

More to follow in the days to come.

[Roy DeCamara]

Hi Tom

Any chance of a picture of the failed pushrod??  Might help the rest of us to see what to guard against.  Nice looking model for sure.  Regards, Roy.

[Tom McClain]

Hi Tom

Any chance of a picture of the failed pushrod??  Might help the rest of us to see what to guard against.  Nice looking model for sure.  Regards, Roy.

What happened is I threaded what I thought were real 3/32 inch steel pushrods for Du-Bro 4/40 threaded Klevises and discovered when the threaded rod parted company with the klevis because there was no enough thread to stay with the klevis. Instant figure 9 into the ground. Ugly. Homemade threaded rods are a possible failure point.

[Dan McEntee]

What happened is I threaded what I thought were real 3/32 inch steel pushrods for Du-Bro 4/40 threaded Klevises and discovered when the threaded rod parted company with the klevis because there was no enough thread to stay with the klevis. Instant figure 9 into the ground. Ugly. Homemade threaded rods are a possible failure point.

     When I used to work at the local hobby shop, people used to come in all the time asking for the correct size rod to thread with a 4-40 die so they could make custom pushrod ends. My answer is, "There isn't any."  The threads on small diameter rod and wire like 4-40 pushrods, bicycle spokes and such are not cut with a threading die. They are "rolled" into the rod/wire by a special machine that has three sharp wheels set in a pattern. These wheel push the thread into the rod and that raises material in the shape of the threads. If you look at the end of a typical push rod and feel the end of the thread where it meets the smooth part of the rod, you can see and feel that it is larger diameter than the rod. If you need a custom pushrod there are ends that can be soldered on to a length of what ever else you care to use. DuBro makes rods with threaded ends in several lengths  for this purpose also. I have been looking for one of these machines for a long time with no success, but a friend of mine has one . It's great for restoring the ends of spokes on vintage motorcycles, or making longer spokes the correct length and then adding the threaded length you need.
   Type at you later,
    Dan McEntee

[Tom McClain]

     When I used to work at the local hobby shop, people used to come in all the time asking for the correct size rod to thread with a 4-40 die so they could make custom pushrod ends. My answer is, "There isn't any."  The threads on small diameter rod and wire like 4-40 pushrods, bicycle spokes and such are not cut with a threading die. They are "rolled" into the rod/wire by a special machine that has three sharp wheels set in a pattern. These wheel push the thread into the rod and that raises material in the shape of the threads. If you look at the end of a typical push rod and feel the end of the thread where it meets the smooth part of the rod, you can see and feel that it is larger diameter than the rod. If you need a custom pushrod there are ends that can be soldered on to a length of what ever else you care to use. DuBro makes rods with threaded ends in several lengths  for this purpose also. I have been looking for one of these machines for a long time with no success, but a friend of mine has one . It's great for restoring the ends of spokes on vintage motorcycles, or making longer spokes the correct length and then adding the threaded length you need.
   Type at you later,
    Dan McEntee

Now you tell me.  I learned that through bitter experience  of building another wing.