diff --git a/app/src/pages/PiperackModule.tsx b/app/src/pages/PiperackModule.tsx
index 62fe1e6..11212b4 100644
--- a/app/src/pages/PiperackModule.tsx
+++ b/app/src/pages/PiperackModule.tsx
@@ -86,10 +86,10 @@ const PiperackModule: React.FC = () => {
         type: 'grid',
         gridItems: [
           { label: 'Pórtico Frontal - Momento (M)', value: `${(result.linearLoadFront * width * elevation).toFixed(2)} kN·m` },
-          { label: 'Pórtico Frontal - C1 (Tração) / C2 (Compressão)', value: `±${((result.linearLoadFront * width * elevation) / width).toFixed(2)} kN` },
+          { label: 'Pórtico Frontal - C1 (Tração) / C2 (Compressão)', value: `±${((result.linearLoadFront * width * elevation) / spacing).toFixed(2)} kN` },
           ...(numFrames > 1 ? [
             { label: 'Pórtico Traseiro - Momento (M)', value: `${(result.linearLoadBack * width * elevation).toFixed(2)} kN·m` },
-            { label: 'Pórtico Traseiro - C1 (Tração) / C2 (Compressão)', value: `±${((result.linearLoadBack * width * elevation) / width).toFixed(2)} kN` },
+            { label: 'Pórtico Traseiro - C1 (Tração) / C2 (Compressão)', value: `±${((result.linearLoadBack * width * elevation) / spacing).toFixed(2)} kN` },
           ] : [])
         ],
       }
@@ -181,7 +181,7 @@ const PiperackModule: React.FC = () => {
 
                       <rect x="76" y="30" width="148" height="10" fill="#64748b" />
                       
-                      <line x1="20" y1="35" x2="70" y2="35" stroke="#10b981" strokeWidth="2" markerEnd="url(#arrowRight)" />
+                      <line x1="20" y1="35" x2="75" y2="35" stroke="#10b981" strokeWidth="2" markerEnd="url(#arrowRight)" />
                       <text x="45" y="30" textAnchor="middle" fill="#10b981" fontSize="10">Vento (F)</text>
                       
                       <defs>
@@ -202,14 +202,14 @@ const PiperackModule: React.FC = () => {
                         <div className="font-bold text-primary">Pórtico Frontal</div>
                         <div className="flex justify-between text-muted-foreground"><span>F (Transv.):</span> <span className="font-mono">{(result.linearLoadFront * width).toFixed(2)} kN</span></div>
                         <div className="flex justify-between text-muted-foreground"><span>Momento:</span> <span className="font-mono">{(result.linearLoadFront * width * elevation).toFixed(2)} kN·m</span></div>
-                        <div className="flex justify-between text-muted-foreground"><span>Reação (C1/C2):</span> <span className="font-mono">±{((result.linearLoadFront * width * elevation) / width).toFixed(2)} kN</span></div>
+                        <div className="flex justify-between text-muted-foreground"><span>Reação (C1/C2):</span> <span className="font-mono">±{((result.linearLoadFront * width * elevation) / spacing).toFixed(2)} kN</span></div>
                       </div>
                       {numFrames > 1 && (
                         <div className="space-y-1">
                           <div className="font-bold text-primary">Pórticos Traseiros</div>
                           <div className="flex justify-between text-muted-foreground"><span>F (Transv.):</span> <span className="font-mono">{(result.linearLoadBack * width).toFixed(2)} kN</span></div>
                           <div className="flex justify-between text-muted-foreground"><span>Momento:</span> <span className="font-mono">{(result.linearLoadBack * width * elevation).toFixed(2)} kN·m</span></div>
-                          <div className="flex justify-between text-muted-foreground"><span>Reação (C1/C2):</span> <span className="font-mono">±{((result.linearLoadBack * width * elevation) / width).toFixed(2)} kN</span></div>
+                          <div className="flex justify-between text-muted-foreground"><span>Reação (C1/C2):</span> <span className="font-mono">±{((result.linearLoadBack * width * elevation) / spacing).toFixed(2)} kN</span></div>
                         </div>
                       )}
                     </div>