1/48th Scale Saturn V

StevenRB

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Hi Steven, great looking project you have.
Superb that the interactions in your Starbucks helped you along, would be pretty cool sight to see happening when one just entered to order coffee and sees a massive rocket being built:thumb2:
I had two occasions where a customer only saw the drawing and bits and pieces on the table and started asking questions. It was in the middle of this when I saw them actually set their eyes on the 7.5 foot stack and their jaws literally dropped. I believe their peripheral may have made the rocket seem like part of the building structure rather than an actual model. I couldn't help but laugh out loud.
 

StevenRB

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HI again Steven been looking through your build again an i wondered what size engine will she have if she's gonna fly will it be a D engine or some thing bigger as for us in the uk the D ENGINE was the biggest you could get but it only had about a 3 second burn time but still hit over a 1000 ft up as we were goin to buy some untill we found out the cost an we had to be carefull as we had RAF JAGUARS flyin over our heads at times an if they were about then no launches with our rockets
chris
This will fly on a Reloadable Motor System. I have an aluminum casing with aluminum screw on end closures. The engine I will use is a J275W. The casing is 54 mm in diameter and 279 mm in length. The reload is about $90.00 per flight. I also need to be certified level 2 by an NAR club to purchase one of these. Love your flights of once upon a time Christopher. Takes me back to the 70's doing the same thing.
 

boatman

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This will fly on a Reloadable Motor System. I have an aluminum casing with aluminum screw on end closures. The engine I will use is a J275W. The casing is 54 mm in diameter and 279 mm in length. The reload is about $90.00 per flight. I also need to be certified level 2 by an NAR club to purchase one of these. Love your flights of once upon a time Christopher. Takes me back to the 70's doing the same thing.
Hi again Steven is the fuel solid propellent or a liquid ? an is it eletric egnited ?
chris
 

StevenRB

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Hi again Steven is the fuel solid propellent or a liquid ? an is it eletric egnited ?
chris
The reload kit comes with solid propellent grains, graphite nozzle, delay charge, ejection charge, assorted rubber 'O' rings and spacers plus an igniter.
 

StevenRB

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Apogee Components also sells a 1/70th flying version of the Saturn V and Saturn 1b.
https://www.apogeerockets.com/Rocket-Kits/Skill-Level-5-Model-Rocket-Kits/Saturn-V-1-70th-Scale
Both of which I possess. Also the original Estes K36 Saturn V along with a Centuri Saturn V and Saturn 1b.
 

boatman

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The reload kit comes with solid propellent grains, graphite nozzle, delay charge, ejection charge, assorted rubber 'O' rings and spacers plus an igniter.
YES Steven i see what you mean about this engine what a cracker just what we could have done with but just before we packed up building our rockets my last one was made out of a 4 " carpet tube about 4 an half feet long an i lined the tube out with metal foil to protect against the heat from my engines as i fitted in it 5 X C-65 ENGINES an it took me about a month to build an when it was finished we took it out to launch an luanch it did but it was not a sucssess as only 3 engines fired an it only went up about a hundred feet an at the cost of this we gave up an if i remember rightly thats when i started to build my big R/C WARSHIPS that im still doin but i'll always remember the rockets with fondness an excitment an now im looking forward to seeing yours built
chris
 

StevenRB

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YES Steven i see what you mean about this engine what a cracker just what we could have done with but just before we packed up building our rockets my last one was made out of a 4 " carpet tube about 4 an half feet long an i lined the tube out with metal foil to protect against the heat from my engines as i fitted in it 5 X C-65 ENGINES an it took me about a month to build an when it was finished we took it out to launch an luanch it did but it was not a sucssess as only 3 engines fired an it only went up about a hundred feet an at the cost of this we gave up an if i remember rightly thats when i started to build my big R/C WARSHIPS that im still doin but i'll always remember the rockets with fondness an excitment an now im looking forward to seeing yours built
chris
Did you use a 12 volt source for ignition?
 

boatman

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Did you use a 12 volt source for ignition?
NO it was a 6v source for ignition as i said our rockets wernt as big as yours an 6v did the job most times like i said above sometimes they mifired an we had to stay back for a little while to be sure an safe that when we went to it wont fire up an hit us an nice talkin to you Steven will talk again tomorrow as its now bed time an my missus is calling me to bed good night
chris
 

StevenRB

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NO it was a 6v source for ignition as i said our rockets wernt as big as yours an 6v did the job most times like i said above sometimes they mifired an we had to stay back for a little while to be sure an safe that when we went to it wont fire up an hit us an nice talkin to you Steven will talk again tomorrow as its now bed time an my missus is calling me to bed good night
chris
12 volt systems have been highly recommended for cluster ignition whether for two, three, four or more. I don't know what the limit is on how many engines can be lit successfully on 12 volts. Clustering takes more voltage to light two or more igniters. The standard 6 volt system doesn't possess the voltage necessary to light more than one engine. I found out the hard way myself as a kid using a 6 volt system to ignite a two engine Centuri 1/100th scale Saturn 1b and a three engine cluster in my 1/45th scale Centuri Little Joe II. Not all the engines lit and when the ejection charge went off, it lit the remaining engines backwards throwing flames out the other end on the ground. Caught the desert on fire which my dad and I frantically put out with our shirts.
Fun times.
 

boatman

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G/M Steven an rick he's a case is'nt he makes me laugh but he's a good un an yes many thanks for the wonderfull pics an she's a cracker an the rocket is'nt bad eithier lol :rolling: :nerd::thumb2: but could you resend pic no 3 of her with the Gemini Titan as it has'nt come out for me. An yes after all these yrs of me wondering what went wrong on my multi engines job i reckon you are right about not enough voltage to fire all of them.

Yes we should have used 12v but at the time we just dint think we'd have this problem as after the failuar i at the time put it down to the igniters bein of poor qauilty as some we had when my m8 was goin to fit the igniters into the engines the igniters just fell apart so had to refit some more. But after that i gave up because it was becoming to costly for just one launch

but it was great to try an exciting but now back to the present with your saturn is it possible to fit in a mini camera so you can see the launch after its back an landed ? as back again in time we were lookin through esetes catolouge an it showed a rocket kit with a tiny camera fitted in the nose so that when the model hit it full height an starts to fall back it would take a picture of the ground an hopefully we'd be in the pic but my m8 would not share the cost so no go on that :thinking:anyway have a nice day an i will talk later as i have a warship to build an it wont happen if im still sittin here lol:rolling:
all best chris
 
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