Upgrading the Renegade

Take us through your build strategies and ideas.
tmacklin
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#11 Upgrading the Renegade

Post by tmacklin » Tue, 24 May 16, 18:29 pm

With reference to Mid Power-DARS launch Gunter thread, I am doing a re-build of my Estes Renegade two stage rocket.

The sustainer stage was lost in Hunt Lake #1, a 20 acre soil conservation impoundment on the site property. It will have to be cloned and rebuilt.

The errant flight of this rocket was most probably caused by the fact that the booster stage was woefully under powered with a maximum single C6 engine lifting about 6.5 ounces total mass. Not good.

I began rebuilding by removing the stock 18mm engine mount by first drilling a series of 1/4" holes in the cardstock centering rings and then cutting between each hole with a keyhole hacksaw. I then used a Dremel tool with a fine grit grinding bit to removed the glue residue. This was somewhat tedious but only took about 1 to 1 1/2 hours. The worst part of the operation was when I was using my drill press and feeding the workpiece into the spinning drill bit and the spinning chuck put some ugly scratches on the booster pods. I'll fix those later.

The next step will involve construction and installation of a new 24mm to BT60 engine mount to accommodate C11 and D12 booster engines. I ordered some parts today and will resume this upgrade when they arrive. See attached progress pictures.
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Last edited by tmacklin on Tue, 24 May 16, 21:45 pm, edited 1 time in total.


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#13 Re: Upgrading the Renegade

Post by tmacklin » Sat, 28 May 16, 01:40 am

Naturally! I'm just a barrel of fun. I put the fun in funding!

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#14 Re: Upgrading the Renegade

Post by tmacklin » Wed, 01 Jun 16, 04:21 am

Progress pictures and a beautiful double rainbow just before sunset. I just lack setting one fin, a launch lug and a recovery harness. I'm a bit rusty but this is coming along well.
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tmacklin
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#15 Re: Upgrading the Renegade

Post by tmacklin » Wed, 01 Jun 16, 04:23 am

One more picture, one more fin and sleepy time.
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bernomatic
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#16 Re: Upgrading the Renegade

Post by bernomatic » Wed, 01 Jun 16, 13:00 pm

Looking good there Ted. Did you find a nose cone yet?
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#17 Re: Upgrading the Renegade

Post by tmacklin » Wed, 01 Jun 16, 16:55 pm

No luck yet on finding the OEM nose cone, but I do have a PNC60 nose that has a 4.75" ogive and a 0.75 shoulder which looks about right. I could make my own out of balsa but I really just want to get this monster in the air on a D12 to a C6-5 and see how it flies. That is the same combination that my 1992 vintage Magnum has and is good for about 1,500 feet, all vertical. :D

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#18 Re: Upgrading the Renegade

Post by Commander » Wed, 01 Jun 16, 18:10 pm

I doubt you will get that much altitude with all of the drag on the booster, but once that drops off, it should soar.
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#19 Re: Upgrading the Renegade

Post by tmacklin » Wed, 01 Jun 16, 21:01 pm

Commander wrote:I doubt you will get that much altitude with all of the drag on the booster, but once that drops off, it should soar.
Agree. The sustainer section by itself weighs very little. When I fly this again I will do so when the winds are light, under five MPH if possible. That is if it ever stops raining around these parts!

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#20 Re: Upgrading the Renegade

Post by Joe Wooten » Thu, 02 Jun 16, 17:20 pm

tmacklin wrote:
Commander wrote:That is if it ever stops raining around these parts!
My old stomping grounds around Granbury are underwater also this week........

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#21 Re: Upgrading the Renegade

Post by bernomatic » Thu, 02 Jun 16, 21:01 pm

Right now Exacta is only in the Austin area anymore. The field crew I work with is always emailing us telling us it's raining, going to rain or is expected to rain tomorrow.
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