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General control line discussion => Open Forum => Topic started by: Steve Berry on August 18, 2022, 12:15:06 PM

Title: Shot in the dark here....
Post by: Steve Berry on August 18, 2022, 12:15:06 PM
Does anyone happen to have accurate CAD plans for the Forerunner? I'm refinishing/completing the one I started something like 18 years ago, and I would like to try verify it against the actual plans since I scratch-built mine (was given foam cores by Tom Farmer and simply measured his plane for moments and such).

Thanks in advance.

Steve
Title: Re: Shot in the dark here....
Post by: Dave_Trible on August 18, 2022, 01:20:37 PM
I have that kit in the basement.  Not home right now but tell me what you need to know about it.

Dave
Title: Re: Shot in the dark here....
Post by: Steve Berry on August 18, 2022, 03:45:00 PM
3-view plan would be of the most benefit. Right now, I know it's a little late to go back and make major structural changes, but I'm curious as to how much my version defers from the original.

Things that would be helpful to know:
Nose to leading edge distance
hingeline to hingeline distance
full or partial span flaps
standard horizontal tail, or does the elevator have the little counterbalances on the ends?

After I finish my Forerunner, and of course fly it, I'm thinking of using it's numbers to make a composite plane using structural foam and prepreg laminates, vacuum bagging the whole thing (in parts, of course).

Steve
Title: Re: Shot in the dark here....
Post by: Dave_Trible on August 18, 2022, 07:30:00 PM
Steve I went from work directly to the flying field tonight and got home pretty late.  I'm coming straight home tomorrow and will bring that big box up and see what I can do for you.    I won't be able to get you a three view but I can measure what's there in the box and on the plans.  Hope it helps.

Dave
Title: Re: Shot in the dark here....
Post by: Steve Berry on August 18, 2022, 09:29:07 PM
That very much will help. I know mine is slightly different since it's my interpretation of the Forerunner, ~18 years ago, but if it's just cosmetic, then it's ok.

Steve
Title: Re: Shot in the dark here....
Post by: Dave_Trible on August 19, 2022, 05:16:00 PM
Info coming at ya..
Title: Re: Shot in the dark here....
Post by: Dave_Trible on August 19, 2022, 05:16:43 PM
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Post by: Dave_Trible on August 19, 2022, 05:22:29 PM
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Post by: Dave_Trible on August 19, 2022, 05:22:53 PM
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Title: Re: Shot in the dark here....
Post by: Dave_Trible on August 19, 2022, 05:23:42 PM
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Post by: Dave_Trible on August 19, 2022, 05:24:02 PM
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Title: Re: Shot in the dark here....
Post by: Dave_Trible on August 19, 2022, 05:24:29 PM
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Title: Re: Shot in the dark here....
Post by: Dave_Trible on August 19, 2022, 05:24:52 PM
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Post by: Dave_Trible on August 19, 2022, 05:25:20 PM
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Title: Re: Shot in the dark here....
Post by: Dave_Trible on August 19, 2022, 05:25:43 PM
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Post by: Dave_Trible on August 19, 2022, 05:26:10 PM
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Title: Re: Shot in the dark here....
Post by: Dave_Trible on August 19, 2022, 05:26:35 PM
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Title: Re: Shot in the dark here....
Post by: Dave_Trible on August 19, 2022, 05:28:09 PM
Hope this gets you there.  Looks like the plans got damp at some time but are mostly readable.  The kit is fine though the box is terrible.

Dave
Title: Re: Shot in the dark here....
Post by: Gerald Arana on August 19, 2022, 07:01:54 PM
Quote from: Dave_Trible on August 19, 2022, 05:28:09 PM
Hope this gets you there.  Looks like the plans got damp at some time but are mostly readable.  The kit is fine though the box is terrible.

Dave


Dave,

I have a dumb question: Why don't you make a copy and send it to him?

Cheers, Jerry
Title: Re: Shot in the dark here....
Post by: Dave_Trible on August 19, 2022, 07:59:04 PM
If he needs it I will.  That's about $30 these days with postage.  He seems to just want to check dimensions rather than actually build from scratch.

Dave
Title: Re: Shot in the dark here....
Post by: Steve Berry on August 20, 2022, 07:04:26 AM
Quote from: Dave_Trible on August 19, 2022, 07:59:04 PM
He seems to just want to check dimensions rather than actually build from scratch.

Dave

That's pretty much exactly what I needed and why. I have the plane already, just wondering how close what I built is to the plans, especially given it was some 18 years ago.

Meanwhile, I got a new puppy last night, a little Jack Russell.  #^ #^ HH%%

Edit: Upon further review, it looks like the main difference is purely cosmetic on my part - I added a faux air scoop on the nose, changed the canopy outline a little, and perhaps enlarged the rudder a bit. Everything else seems to be spot on. Big thank you, Dave.

Steve