Skydiver
Okay, another question: How long does it usually take for you to cut out the foam ( with all of the trimming needed ), to do the actual build ? And how precise are you ?
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e3_Scott
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Okay, another question: How long does it usually take for you to cut out the foam ( with all of the trimming needed ), to do the actual build ? And how precise are you ?

Skydiver -

It all depends I suppose on a person's experience and the foam they are using as it might be more of a challenge to lay out the parts to maximize the foam and minimize waste. Normally with care, it should take perhaps a couple hours or so, again depending on how many of these a person has built. With each build, I think we all learn ways to make cutting out the parts more efficient.

To answer the second question, like anything else, the more precise you are cutting out the parts, the easier the plane will go together, and normally the straighter, truer and better flying final product will be achieved. Like building a house, if you don't take care cutting the framework, you may not end up with a good finished product.

Cheers,

Scott
Park Jet noise...the "other" sound of freedom😎
#ParkJetnoise #ParkJetpilot
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EricR
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Okay, another question: How long does it usually take for you to cut out the foam ( with all of the trimming needed ), to do the actual build ? And how precise are you ?

I used to use a straight edge and agonize over perfect cuts... now, after cutting out about 15 of these models, I cut free-hand with a fresh x-acto blade and it goes pretty quickly. If I feel there are more precise cuts needed like in the motor mount area, joining wing plate halves, cutting control-surface edges or nose cuts, I'll use a straight edge. I can cut out most planes in about 2 hours... assembly over a several days of off-and-on work.
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Flybyknight22
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I used to use a straight edge and agonize over perfect cuts... now, after cutting out about 15 of these models, I cut free-hand with a fresh x-acto blade and it goes pretty quickly. If I feel there are more precise cuts needed like in the motor mount area, joining wing plate halves, cutting control-surface edges or nose cuts, I'll use a straight edge. I can cut out most planes in about 2 hours... assembly over a several days of off-and-on work.

I think you and Scott are both right.

Depends on how much time a beginner wants to spend and how fast he wants to get in the air, especially on his 1st build.

If you are nice and neat and pay attention to detail the cutting takes a bit longer and "generally" makes for a cleaner build but,..

It also depends an awful lot on the plane you are building also.

A more advanced build might require you to be a bit more meticulous about your cuts and building etc but on many others it's not really all that important.

Many of these planes are very forgiving in their building, unless you are "way off" on your cuts.

Using a ruler is good as a guide but lots of guys get away with a flyable 1st trainer plane by coarse cutting and slapping it together with just hot glue.

On your first build, especially a trainer like say the RCPowers SU-34 I would not fret over perfection at all. Close enough works with this build!

Chances are a beginner is going to take a few dirt naps right away so spending an over abundance of time on your 1st plane "may not" be the best route.

Get the 1st one under your belt, fly it, crash it, learn then build again. When your flying skills get real good and you are crashing much less, then go for the gold on the build.

In other words for a beginner I would save the delicate heart surgery for more advanced builds and as time goes by and as building and flying skills improve go for perfection if that's your goal later on to maybe save some time and frustration.

Just a thought.
And on the 8th day God said: "Go NAVY",.. and it was good! Pray like everything depends on God. Prepare like everything depends on you.
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Skydiver
Yeah, just like I thought. Cutting the foam board really dulls the #. €¥ out of an Xacto blade.
Right now I'm trying to figure out little short cuts to make the next one easier to do..
I guess it's just like Dave says, build it strong, crash it a few times, don't even paint it, then build the next one nice, and paint it and make it look nice.. Since this a new experience for me, I'm just going to have fun with it. It may be heavy and ugly, but it's going to fly..
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BadAxeFlyer
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Yeah, just like I thought. Cutting the foam board really dulls the #. €¥ out of an Xacto blade.
Right now I'm trying to figure out little short cuts to make the next one easier to do..
I guess it's just like Dave says, build it strong, crash it a few times, don't even paint it, then build the next one nice, and paint it and make it look nice.. Since this a new experience for me, I'm just going to have fun with it. It may be heavy and ugly, but it's going to fly..


I pretty much have my method down pat now, and I cut out a RCP jet in about 2 hours. I use 2 main tools for cutting. Well 3 if you count the metal ruler.

For straight cuts, I use the metal yard stick and the knife below. The blades are more heavy duty than Xacto and I easily cut an entire plane without the need to sharpen or replace the blade. I always start a new plane with a new blade. I am very accurate with this tool.

knife.jpg 

For curved cuts, someone on this board recommended it to me, and I instantly fell in love. Accuracy of scissors while using a blade. I use this tool freehand, and could not imagine using anything else at this point for curved cuts. its only 4 bucks on Amazon, totally worth the purchase. And it uses the same #11 blades as the Xacto knife. Can not recommend this tool highly enough. Its called the Fiskars Fingertip Craft Knife.

Finger.jpg 

A little sanding on any imperfect areas, and thats it. The only tools I use.
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Skydiver
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I pretty much have my method down pat now, and I cut out a RCP jet in about 2 hours. I use 2 main tools for cutting. Well 3 if you count the metal ruler.

For straight cuts, I use the metal yard stick and the knife below. The blades are more heavy duty than Xacto and I easily cut an entire plane without the need to sharpen or replace the blade. I always start a new plane with a new blade. I am very accurate with this tool.

[ATTACH=full]50768[/ATTACH]

For curved cuts, someone on this board recommended it to me, and I instantly fell in love. Accuracy of scissors while using a blade. I use this tool freehand, and could not imagine using anything else at this point for curved cuts. its only 4 bucks on Amazon, totally worth the purchase. And it uses the same #11 blades as the Xacto knife. Can not recommend this tool highly enough. Its called the Fiskars Fingertip Craft Knife.

[ATTACH=full]50769[/ATTACH]

A little sanding on any imperfect areas, and thats it. The only tools I use.

Okay then, I have a Sears hardware and a craft store nearby so the craft store just might have the Fiskars knife, and for sure Sears has the other, but the craft store may have the
equivalent of the other knife.. I have always found Sears to be a bit "pricey"..
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BadAxeFlyer
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Okay then, I have a Sears hardware and a craft store nearby so the craft store just might have the Fiskars knife, and for sure Sears has the other, but the craft store may have the
equivalent of the other knife.. I have always found Sears to be a bit "pricey"..


Lowes and Home Depot each also carry a version of the utility knife as well. Probably cheaper than the Craftsman.
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Flybyknight22
Quote:
Yeah, just like I thought. Cutting the foam board really dulls the #. €¥ out of an Xacto blade.
Right now I'm trying to figure out little short cuts to make the next one easier to do..
I guess it's just like Dave says, build it strong, crash it a few times, don't even paint it, then build the next one nice, and paint it and make it look nice.. Since this a new experience for me, I'm just going to have fun with it. It may be heavy and ugly, but it's going to fly..

Exactly, Dave gives good advice
And on the 8th day God said: "Go NAVY",.. and it was good! Pray like everything depends on God. Prepare like everything depends on you.
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SukhoiLover
So . . . how goes the build? "Are we having fun, yet?" Let us know, and keep us apprised of the maiden as well.

Fly safely,

SL
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