The Pitch Calculator for Retracta Roof

The Pitch Calculator is a quick way to work out the hight from the back beam to the front beam
the minimum pitch of the Retracta Roof is 6 degrees and a Maximum of 12 degrees
we have marked in blue the 6 degree line

Projection of Retracta Roof

 Projection                                    
100012001400160018002000220024002600280030003200340036003800400042004400460048005000520054005600580060006200640066006800700072007400760078008000
Degrees11720.94607791386124.43709089950527.92810388514831.41911687079234.91012985643538.40114284207941.89215582772245.38316881336648.87418179900952.36519478465355.85620777029659.3472207559462.83823374158366.32924672722769.8202597128773.31127269851476.80228568415780.29329866980183.78431165544487.27532464108890.76633762673194.25735061237597.748363598018101.23937658366104.73038956931108.22140255495111.71241554059115.20342852624118.69444151188122.18545449752125.67646748317129.16748046881132.65849345445136.1495064401139.64051942574
23441.90492339009748.88907728844755.87323118679662.85738508514669.84153898349576.82569288184583.80984678019590.79400067854497.778154576894104.76230847524111.74646237359118.73061627194125.71477017029132.69892406864139.68307796699146.66723186534153.65138576369160.63553966204167.61969356039174.60384745874181.58800135709188.57215525544195.55630915379202.54046305214209.52461695049216.50877084884223.49292474719230.47707864554237.46123254388244.44538644223251.42954034058258.41369423893265.39784813728272.38200203563279.36615593398
35262.88933513964973.37089099625883.85244685286694.334002709474104.81555856608115.29711442269125.7786702793136.26022613591146.74178199252157.22333784912167.70489370573178.18644956234188.66800541895199.14956127556209.63111713216220.11267298877230.59422884538241.07578470199251.5573405586262.03889641521272.52045227181283.00200812842293.48356398503303.96511984164314.44667569825324.92823155486335.40978741146345.89134326807356.37289912468366.85445498129377.3360108379387.8175666945398.29912255111408.78067840772419.26223426433
46983.91217433221397.897536720915111.88289910962125.86826149832139.85362388702153.83898627572167.82434866443181.80971105313195.79507344183209.78043583053223.76579821923237.75116060794251.73652299664265.72188538534279.70724777404293.69261016274307.67797255145321.66333494015335.64869732885349.63405971755363.61942210625377.60478449496391.59014688366405.57550927236419.56087166106433.54623404976447.53159643847461.51695882717475.50232121587489.48768360457503.47304599327517.45840838198531.44377077068545.42913315938559.41449554808
587.104.98639623111122.48412893629139.98186164148157.47959434666174.97732705185192.47505975703209.97279246222227.4705251674244.96825787259262.46599057777279.96372328296297.46145598814314.95918869333332.45692139851349.9546541037367.45238680888384.95011951407402.44785221925419.94558492444437.44331762962454.9410503348472.43878303999489.93651574517507.43424845036524.93198115554542.42971386073559.92744656591577.4251792711594.92291197628612.42064468147629.91837738665647.41611009184664.91384279702682.41157550221699.90930820739
6105126.12508231881147.14592937195168.16677642508189.18762347822210.20847053135231.22931758449252.25016463762273.27101169076294.29185874389315.31270579703336.33355285016357.3543999033378.37524695644399.39609400957420.41694106271441.43778811584462.45863516898483.47948222211504.50032927525525.52117632838546.54202338152567.56287043465588.58371748779609.60456454092630.62541159406651.64625864719672.66710570033693.68795275346714.7087998066735.72964685974756.75049391287777.77134096601798.79218801914819.81303507228840.83388212541
7122.7845609029147.34147308349171.89838526407196.45529744465221.01220962523245.56912180581270.12603398639294.68294616697319.23985834755343.79677052813368.35368270871392.91059488929417.46750706988442.02441925046466.58133143104491.13824361162515.6951557922540.25206797278564.80898015336589.36589233394613.92280451452638.4797166951663.03662887568687.59354105627712.15045323685736.70736541743761.26427759801785.82118977859810.37810195917834.93501413975859.49192632033884.04883850091908.60575068149933.16266286207957.71957504266982.27648722324
8140.54083470239168.64900164287196.75716858335224.86533552383252.9735024643281.08166940478309.18983634526337.29800328574365.40617022622393.5143371667421.62250410717449.73067104765477.83883798813505.94700492861534.05517186909562.16333880957590.27150575004618.37967269052646.487839631674.59600657148702.70417351196730.81234045244758.92050739291787.02867433339815.13684127387843.24500821435871.35317515483899.46134209531927.56950903578955.67767597626983.785842916741011.89400985721040.00217679771068.11034373821096.21851067871124.3266776191
9158.38444032454190.06132838944221.73821645435253.41510451926285.09199258417316.76888064907348.44576871398380.12265677889411.79954484379443.4764329087475.15332097361506.83020903852538.50709710342570.18398516833601.86087323324633.53776129815665.21464936305696.89153742796728.56842549287760.24531355777791.92220162268823.59908968759855.2759777525886.9528658174918.62975388231950.30664194722981.983530012121013.6604180771045.33730614191077.01419420681108.69108227181140.36797033671172.04485840161203.72174646651235.39863453141267.0755225963
10176.32698070846211.59237685016246.85777299185282.12316913354317.38856527524352.65396141693387.91935755862423.18475370032458.45014984201493.7155459837528.98094212539564.24633826709599.51173440878634.77713055047670.04252669217705.30792283386740.57331897555775.83871511725811.10411125894846.36950740063881.63490354232916.90029968402952.16569582571987.43109196741022.69648810911057.96188425081093.22728039251128.49267653421163.75807267591199.02346881761234.28886495931269.55426110091304.81965724261340.08505338431375.3504495261410.6158456677
11194.38030913772233.25637096526272.13243279281311.00849462035349.88455644789388.76061827544427.63668010298466.51274193052505.38880375807544.26486558561583.14092741316622.0169892407660.89305106824699.76911289579738.64517472333777.52123655087816.39729837842855.27336020596894.1494220335933.02548386105971.901545688591010.77760751611049.65366934371088.52973117121127.40579299881166.28185482631205.15791665391244.03397848141282.91004030891321.78610213651360.6621639641399.53822579161438.41428761911477.29034944671516.16641127421555.0424731017
12212.55656167002255.06787400403297.57918633803340.09049867204382.60181100604425.11312334004467.62443567405510.13574800805552.64706034206595.15837267606637.66968501007680.18099734407722.69230967808765.20362201208807.71493434608850.22624668009892.73755901409935.2488713481977.76018368211020.27149601611062.78280835011105.29412068411147.80543301811190.31674535211232.82805768611275.33937002011317.85068235411360.36199468811402.87330702211445.38461935621487.89593169021530.40724402421572.91855635821615.42986869221657.94118102621700.4524933602
13230.86819112556277.04182935068323.21546757579369.3891058009415.56274402601461.73638225113507.91002047624554.08365870135600.25729692646646.43093515158692.60457337669738.7782116018784.95184982691831.12548805203877.29912627714923.47276450225969.646402727371015.82004095251061.99367917761108.16731740271154.34095562781200.51459385291246.6882320781292.86187030321339.03550852831385.20914675341431.38278497851477.55642320361523.73006142871569.90369965381616.07733787891662.25097610411708.42461432921754.59825255431800.77189077941846.9455290045
14249.32800284318299.19360341182349.05920398045398.92480454909448.79040511773498.65600568636548.521606255598.38720682363648.25280739227698.11840796091747.98400852954797.84960909818847.71520966681897.58081023545947.44641080409997.312011372721047.17761194141097.043212511146.90881307861196.77441364731246.64001421591296.50561478451346.37121535321396.23681592181446.10241649041495.96801705911545.83361762771595.69921819641645.5648187651695.43041933361745.29601990231795.16162047091845.02722103951894.89282160821944.75842217681994.6240227454
15267.94919243112321.53903091735375.12886940357428.7187078898482.30854637602535.89838486225589.48822334847643.07806183469696.66790032092750.25773880714803.84757729337857.43741577959911.02725426582964.617092752041018.20693123831071.79676972451125.38660821071178.97644669691232.56628518321286.15612366941339.74596215561393.33580064181446.92563912811500.51547761431554.10531610051607.69515458671661.2849930731714.87483155921768.46467004541822.05450853161875.64434701791929.23418550411982.82402399032036.41386247652090.00370096282143.593539449

Example
If you want your Retracta Roof to projected from the wall  4200mm
the minimum pitch is 6 degrees  you will need a fall of 441mm
the maximum pitch is  12 degrees you will need a fall of 893mm

 

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